Journal of Agricultural Research

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JOURNAL OF AGRICULTURAL RESEARCH

VOLUME XXVII JANUARY S-MARCH 29, 1924

PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE WITH THE COOPERATION OF THE ASSOCIATION OF LAND-GRANT COLLEGES

WASHINGTON, D. C.

JOMALOFAGRICDITÍIAIRESEMCH

VOL. XXVII WASHINGTON, D. C, JANUARY S-MARCH 29,1924 No. 13

CONTENTS Page Physiological Studies on Apples in Storage. J. R. MAGNESS and H. C. DIEHI, (15 text figures) i A Study of the Effects of Pumpkin Seeds on the Growth of Rats. BENJAMIN MASUROVSKY (2 text figures) 39 The Argus Tortoise Beetle. F. H. CHITTENDEN (4 text figures; 1 plate) 43 Seed-Color Inheritance in Certain Grain-Sorghum Crosses. JOHN B. SIEGUNGER . 53 The European Com Borer, Pyrausta nubilalis Hbn., versus the Com Earworm, Heliothts obsoleta Fab. GEORGE W. BARBER (I plate) 65 Anchorage and Extent of Com Root Systems. JAMES R. HOLBERT and BEN- JAMIN KoEHivER (1 text figure; 5 plates) 71 Adjusting Yields to Their Regression on a Moving Average, as a Means of Cor- recting for Soil Heterogeneity. FREDERICK D. RICKEY (2 text figures) 79 Soybean Mosaic; Seed Transmission and Effect on Yield. JAMES B. KENDRICK and MAX W. GARDNER 91 Insecticidal Effect of Cold Storage on Bean Weevils. A. O. LARSON and PEREZ * SIMMONS 99 The Effect of Rust Infection upon the Water Requirement of Wheat. FREE- MAN WEISS 107 Photoperiodism in Relation to Hydrogen-Ion Concentration of the Cell Sap and the Carbohydrate Content of the Plant. W. W. GARNER, C. W. BACON, and H. A. AIXARD (10 text figures; 2 plates) 119 On the Anatomy of the Sweet Potato Root, with Notes on Internal Breakdown ERNST ARTSCHWAGER (6 text figures; 4 plates) 157 The Influence of Low Temperatures and of Disinfectants on the Eggs of Ascaris lumbricoides. ELOISE B. CRAM 167 The Black-Bundle Disease of Com. CHARLES S. REDDY and JAMES R. HOLBERT (4 text figures; 6 plates) 177 Changes in Hydrogen-Ion Ccmcentration Produced by Growing Seedlings in Acid Solutions. JEHIEL DAVIDSON and EDGAR T. WHERRY 207 The Nutritive Properties of Wild Rice. CORNEUA KENNEDY (2 text figures).. 219 A Bacterial Blight of Gladioli. LUCIA MCCUIXOCH (2 plates) 225 The Blooming of Wheat Flowers. C. E. LEIGHTY and W. J. SANDO (2 text figures) 231 The Effect of Sodium Hydroxid on the Composition, Digestibility, and Feeding Value of Grain Hulls and Other Fibrous Material. J. G. ARCHIBALD 245 Tissue Fluids of Egyptian and Upland Cottons and Their F! Hybrid. J. ARTHUR HARRIS, ZONJA WALLEN LAWRENCE, W. F. HOFFMAN, JOHN V. LAWRENCE, and A. T. VALENTINE (I text figure; 1 plate) 267 Selective Fertilization in Cotton. THOMAS H. KEARNEY and GEORGE J. HARRISON 329 The Effect of Fertilizers on the Development of Stem Rust of Wheat. E. C. STAKMAN and O. S. AAMODT (4 text figures; 3 plates) 341 Morphological and Physiological Studies on the Resistance of Wheat to Puccinia graminis tritici Erikss. and Henn. C. R. HURSH (I text figure; 2 plates) 381 The Function of Grit in the Gizzard of the Fowl. B. F. KAUPP (I plate) 413 The Association of Manganese with Vitamins. J. S. MCHARGUE (I plate) 417 Experiments with Flag Smut of Wheat and the Causal Fungus, Urocystis tritici Kcke. MARION A. GRIFFITHS (I text figure; 3 plates) 425 Studies on the Parasitism of Urocystis tritici Koern., the Organism Causing Flag Smut of Wheat. ROBERT J. NOBLE (2 text figures; 3 plates) 451 Inheritance of Petal Spot in Pima Cotton. THOMAS H. KEARNEY (I plate)... 491 The Migration of the Aphididae and the Appearance of the Sexual Forms as Affected by the Relative Length of Daily Light Exposure. S. MARCOVITCH. . 513 Breeding, Feeding, and Other Life Habits of Meadow Mice (Microtus). VERNON BAILEY (3 plates) 523 (HI) IV Journal of Agricultural Research voixxvn

Page Inheritance of the Crinkly, Ramose, and Brachytic Characters of Maize in Hybrids with Teosinte. J. H. KEMPTON (106 text figures; 8 plates)...... 537 The Utilization of I/actose by the Chicken. T. S. HAMILTON and I,. E. CARD. . 597 The Occurrence of Lactase in the Alimentary Tract of the Chicken. T. S. HAMILTON and H. H. MITCHELL 605 The Life History of the Grape Rootrot Fungus Roesleria hypogaéh Thüm. et Pass. ANGIE M. BECKWITH (I plate) 609 The Movement of Water in Irrigated Soils. CARL S. SCOFIELD (13 text figures; 2 plates) .- f.. 617 An Apple Stem-Tumor not Crowngall. NELLIE A. BROWN (3 plates) , 695 Morphological Characters of Alternaria malt Roberts. JOHN W. ROBERTS (I text figure; 2 plates) , 699 Natural Antisheep Amboceptor and Complement in the Blood of Fowls, F. R. BEAUDETTEand L. D. BUSHNELL. 709 Effect of Nitrate Applications upon the Hydrocyanic-Acid Content of Sorghum. R. M. PINCKNEY. > 717 The Course of Acidity Changes during the Growth Period of Wheat with Special Reference to Stem-Rust Resistance. ANNIE MAY HJTRD (5 text figures) 725 Cytological Studies of Diploid and Polyploid Forms in Raspberries. ALBERT E. LONGLEY and GEORGE M. DARROW (3 plates) 737 Aecidiospore Discharge as Related to the Character of the Spore Wall. B. O. DODGE (3 text figures) 749 Hastening the Coloration of Lemons. F. E. DENNY (3 text figures) 757 Nocturnal Production of Conidia by Sclerospora graminicola. WILLIAM H. 1 P WESTON, JR. (I text figure; 2 plates) 77 Daily Variation of the Carbohydrates in the Leaves of Com and the Sorghums. EDWIN C. MILLER (6 text figures) 785 Studies on the Potato Tuber. ERNST ARTSCHWAGER (8 text figures; 10 plates) • 809 Occturence of the Currant Cane Blight Fungus on Other Hosts. NEIL E. STEVENS and ANNA E. JENKINS (I text figure; 2 plates) .. 837 Elemental Composition of the Com Plant. W. L. LATSHAW and E. C. MILLER (1 text figure; 1 plate) 845 Wheat Scab and Com Rootrot Caused by Gibberella saubinetii in Relation to Crop Successions. BENJAMIN KOEHLER, JAMES G. DICKSON, and JAMES R. HOLBERT (3 text figures; 2 plates) 861 Measurement of Linkage Values. G. N. COLLINS 881 The Osmotic Concentration, Specific Electrical Conductivity, and Chlorid Con- tent of the Tissue Fluids of the Indicator Plants of Tooele Valley, Utah. J. ARTHUR HARRIS, R. A. GORTNER, W. F. HOFFMAN, J. V. LAWRENCE, and A. T. VALENTINE 893 Investigations on the Nematode Disease of Cereals Caused by Tylenchm tritici. R. W. LEUKEL (2 text figures; 5 plates) 925 Com Rootrot Studies. THOMAS F. MANNS and CLAUDE E. PHILLIPS (4 plates).. 957 Jan. s-Mar. 29, 1924 Errata

ERRATA AND AUTHORS' EMENDATIONS Page 57, Table II, column 5, line 4, should read "BBSs" instead of "BBsS." Page 59, line 13 from bottom, should read "produced in 1921 were" instead of produced in 1921 ere." Page 90, table, heading of first box should read "r»" instead of "r«." Page 98, line 2, should read "mosaic" instead of "mosiac." Page 159, line 1, should read "and fig. 2." instead of "and fig. 3." Page 159, next to last line, should read "(fig. 2)" instead of "(fig. 3).". Page 160, line 29, should read "(fig. 3)" instead of "(Fig. 6)." Page 170, last line should read "in 0.5 per cent hydrochloric acid" instead of "n 0.5 per cent hyrochloric iadd." Page 2x6, line 25, should read "(5)" instead of "(4)". Page 227, ftn. 4, last line, should read "v. 33, N©. 1, p. 20" instead of "v. 33, p. 20." Pages 24^-265, running head should read * DigesHbüüy of Treated Grain Hulls" instead of "Digestibility of Tested Grain Hulls.'* Page 246, line 6 from bottom, should read "aging" instead of "ageing." Line 8 from bottom should read "adsorption" instead of "absorption." I^ine 9 from bottom should read "adsorbable" instead of "absorb- able." Line 10 from bottom should read "adsorbed" instead of "absorbed." Page 247, line 9, should read "C 40 H 44 015" instead of "C40 H 44015 Page 255, Table II, head, should read "Water-soluble acidity" instead of "water-soluaWe acidity." In Plate 2, facing page 41z, figures E and P should be interchanged. Page 428, line 7 from bottom, should be "In seven of these" instead of "In eight of these." Page 437, lines 17-18, should read "within 2 degrees" instead of "within narrow limits." Page 442, line 19, should read "each variety" instead of "each veriety." Page 448, line 3, should read "China, India, South Africa," instead of "China, South Africa." Page 451, ftn.j, last line, should read "notes in the summer of 1922" instead of "in June, 1922." Page 504, line 40, should read "conclusive" instead of "dondusive." Line 41-42 should read "differentiation" instead of "differentation." Plate 8, facing page 596, legend, line 1, should read "brachytic maize X teosinte, natural size/' instead •of "brachytic maize X teosinte." Page 718, line 90, should read "(nitrogen 0.046 per cent) "instead of "nitrogen 0.068 per cent." Line 35 should read "and treble superphosphate" instead of "and superphosphate." Page 755, last line, last word, should read "structures" instead of "structurer." Next to last line, last "word, should read "or "instead of "os." Page 768, line 33. should read " Bureau of Chemistry" instead of " Bureau of Plant Industry." Page 815. line 27, should read "Figure 2" instead of "Figure 6." Page 837, bottom, should read "Key No. 375" instead of "Key No. 376." Page 843, line 9, should read "single pycnospore" instead of "single asoospore." Vol. XXVII MARCH 29, 1924 No. 13

JOURNAL OF AGRICULTURAL RESEARCH

CONTENTS AND INDEX OF VOLUME XXVII

PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE WITH THE COOPERATION OF THE ASSOCIATION OF LAND-GRANT COLLEGES

WASHINGTON, D. C. GOVERNMENT PRINTING OFFICE 1925 EDITORIAL COMMITTEE OF THE UNITED STATES DEPARTMENT OF AGRICULTURE AND THE ASSOCIATION OF LAND-GRANT COLLEGES

FOR THE DEPARTMENT FOR THE ASSOCIATION

K. F. KELLERMAN, CHAIRMAN J. G. U3PMAN Physiologist and Associate Chief, Bureau Dean, State College of Agriculture, and of Plant Industry Director, New Jersey Agricultural Experi- ment Station, Rutgers College E. W. ALLEN Chief, Office of Experirttent Stations G, R. LYMAN Dean, College of Agriculture, West Virginia C. L. MARLATT University Enioviologist and Assistant Chief, Bureau of Entomology H. W. MUMFORD Dean, College of Agriculture, and Director, Illinois Agricultural Experiment Station, University of lUinois

All correspottdence regarding articles from the Department of Agriculture should be addressed to K. F. Kellerman, Journal of Agricultural Research, Washington, D. C. All correspondence regarding articles from State Experiment Stations should be addressed to J. G. Lipman, New Jersey Agricultural Experiment Station, New Brunswick, N. J. INDEX

Page Page Aamodt, O. S., and Stakman, E.' C: The Apple Stem-Tumor Not Crowngall, An: Effect of Fertilizers on the Development Nellie A. Brown. 695-698 of Stem Rust of Wheat 341-380 Apples- Acala Upland cotton, comparisons with acidity, changes during storage 18-ax others 277-320 coating, effect on ripening processes of Acetylene, effect on coloration of lemons 759 fruit 23-31,34 Acidity— respiration of coated and normal fruits, apples, changes during storage 18-21 measurements 24-31 cell sap, daily periodicity 125-128 ripening, changes on the tree and in storage. 1-23 changes— softening in storage, effect of tempe rature.. 12-18 in wheat, relation to stem-rust resistance 725-735 storage, physiological studies 1-38 produced by growing seedlings in acid Archibald, J. G.: The Effect of Sodium Hy- solutions 207-217 droxid on the Composition, Digestibility, Egyptian and Upland cottons and hybrids. 286, and Feeding Value of Grain Hulls and other 295-298,305.307.314.316 Fibrous Material 245-265 plants, relations to photoperiodism 12^-125 Argus Tortoise Beetle, The: F. H. Chittem- relation to germination of Urocystis tritici. 467-468 den 43-52 wheat, change during growth and develop- Arizona, Sacton Testing Station, cotton breed- ment, studies 726-731 ing experiments 330-331 Acid phosphate, effect on wheat stem rust, Arlington Experiment Farm, wheat varieties, experiments 346-359.362-370 testing with flag smut 428,431,435-447 Acrostalagmus albus, similarity to Cephalos- Artiemisia tridentata 897-903 Porium acremonium 190,192 Artschwager, Ernst: Adjusting Yields to Their Regression on a On the Anatomy of the Sweet Potato Root, Moving Average, as a Means of Correcting with Notes on Internal Breakdown 157-166 for Soil Heterogeneity: Frederick D. Richey 79-90 Studies on the Potato Tuber 809-836 Aecidiospore Discharge as Related to the Ascaris lumbricoides, eggs— Character of the Spore Wall: B. O. Dodge 749-756 effect on low temperatures and disinfec- Alkali land, reclamation possibilities 652-660 tants 167-175 Alkalies, effect on fibers 247-248 exposure to disinfectants 170 Allard, H. A., Garner, W. W., and Bacon, resistances to freezing temperatures 167-170 C. W.: Photoperiodism in Relation to Hy- Association of Manganese with Vitamins, drogen-Ion Concentration of the Cell Sap and The: J. S. McHargue 417-424 the Carbohydrate Content of the Plant.. 119-156 Atriplex confertifolia 906-907 Alternaría genus, description 699-701 Australia, wheat flag smut, occurrence and Aliernaria malt— importance 425t 426,451 morphological characters 699-708 Bacon, C. W., Gamer, W. W., and Allard, technical description and variation 701-707 H. A.: Photoperiodism in Relation to Hy- Aluminium, com plant, determination and drogen-Ion Concentration of the Cell Sap distribution 850-858 and the Carbohydrate Content of the sulphate, beneficial effects on soils 667-687 Plant 119-15 6 Amboceptof, antisheep, in blood of fowls.. 709-715 Bacterial Blight of Gladioli, A: Lucia McCul- Anatomy, sweet potato root, and internal loch 225-230 breakdown 157-166 Bacterial diseases, comparison with gladiolus Anchorage and Extent of Cora Root Systems: blight 228 James R. Holbert and Benjamin Koehler.. 71-78 Bacterium— Animals, spread of wheat nematodes 944-947 gummisudans— Antisheep amboceptor and complement in cause of blight of gladiolus 226-229 blood of fowls »... 709-715 technical descriptions 229 Anuraphis bakeri 514 tumefaciens cause of apple crowngall 695-698 Apateticus bracieatus, enemy of Argus tortoise Bailey, Vemon: Breeding, Feeding, and Other beetle 49 Life Habits of Meadow Mice 523-536 Aphididae, migration and sexual forms, rela- Barber, George W.: The European Com Borer, tion to length of day 513-522 Pyrausta nubilalis Hbn., versus the Com Aphids— Earworm, Heliothis obsoleta Fab , 65-70 boxelder, life history 517 Barberry, infection with wheat stem rust.... 347 clover, development, relation to temperature 514 Bard, California, irrigation waters, etc 680 migration, relation to length of daylight. 513-522 Barfoed's test for monosaccharids 606,607 sexual forms, appearance, relation to length Barley— of light exposure 513-522 infection with wheat galls nematode 934-935 Aphis forbesi, life history, notes 513-521 rust, infection, relation to ferilizers 349 green, apple, life history, notes 516-517 aecidiospore discharge, studies 749*756 Pomi. See aphis, green, apple. Bean weevil, cold storage, insecticidal, effect. 99-105 rosy apple, life history, notes 515,518,519, sax Beaudeite, F. R., and Bushneil, L. D.: Natu- Tumicis, development relation to tem- ral Antisheep Ambroceptor and Comple- perature 515 ment in the Blood of Fowls 709-715 sorbi. See Aphis, rosy, apple. Beckwith. Angie M.: The Life History of the viburnicola life history, notes 519 Grape Rootrot Fungus Roesleria hypogaea 609-6x6 woolly, apple, swellings caused on apple Beetle. Argus tortoise 43-52 trees 696-697 Belle Fourche Experiment Station, irrigation, Apianobacter— soils samples 630-631 spp., comparison with Bacterium cum- Bibliography— misudans 228 cotton fertilization 340 stewarti, inoculation of corn seed, experi- desert vegetation 922-925 ments and results 198-202 field mice. 534-535 Apple- fungi of apple, etc 707-708 leaves, spotting caused by Aliernaria grapevine diseases 615-616 mali ,, 699-707 irrigated soils 692-693 roots, cultures of Roesleria hypogaea 611-613 maize breeding 596 stem-tumor, comparison with crowngall 695-698 pholoperiodism 155-156 521—25t- (965) 966 Journal of Agricultural Research Vol. XXVII

Bibliography—Continued. Page Page potato structure. 834-835 Cephalosporium genus, characteristics, dis- smuts 448-449,486-489 cussion 189-192 straw hydrolysis 263-265 Cereals, disease caused by Tylenchus tritici. 925-956 tissue fluids in cotton 325-327 Chaitopkorus negundinis, life history, notes... 517 Vine diseases 615-616 Changes in Hydrogen-Ion Concentration Pro- Wheat blooming 244 duced by Growing Seedlings in Acid Solu- tyheat, diseases 954-955 tions: Jehiel Davidson and Edgar T. rusts and fertilizers 377-379 Wherry 207-218 î*em rust 408-411 Chelymorpha cassidea, description, distribu- Bicarbonate, determination in soil solutions 642-644 tion, habits and development 43-48 Birds, spread of wheat nematodes 944-945 Chemicals, resistance by wheat nematodes... 951 Black alkali, definition 683 Chicken— Blackberry-raspberry hybrids, characters.. 745-746 alimentary tract, lactase occurrence 605-608 Black-Bundle Disease of Corn, The: Charles crop, lactase occurrence 607 S. Reddy and James R. Holbert 177-206 feed, lactose utilization 597-604 Blackhull kaoliang cross with kafir, seed, color serum— of progeny. .■ 58-59 action on cells of various animals, litera- Blight, bacterial, of gladioli 225-230 ture, citations 709-711, 715 Blooming of Wheat Flowers, The: C. E. effect on sheep cells, experiments 714-715 I^ighty and W. J. Sando 231-244 Chittenden, F. H.: The Argus Tortoise Beetle. 43-52 Bolls, 4-lock, relation to petal spot 508-510 Chlorid content of tissue fluids of indicator Borer, com, European, comparison with com plants, Utah 893-924 earworm 65-70 Chlorin, corn-plant, determination and distri- Botryosphaeria ribis fungus causing currant bution -. 850-858 cane blight 838, 839 determination in soil solutions 642 Brachytic-teosinte hybrids, characters in- Chromosomes, multiplication in raspberries, heritance 566-577,595 cause 745-746 Breeding, cotton, experiments in selective Cobbler potato, structural characters.. 827,828,830 fertilization 329-34° Cobs, com, elemental composition and Breeding, Feeding, and Other I,ife Habits of weight 848-858 Meadow Mice (Microtus): Vemon Bailey. 523-536 Cockle disease, wheat, description, etc 925-956 Breeding, plant, measurement of linkage seeds, identification 939 values 881-891 Cold storage, insecticidal effect on bean Brown, Nellie A.: An Apple Stem-Tumor Not weevils 99-105 Crowngall 695-698 Collins, G. N.: Measurement of Linkage Bruchus— Values 881-891 oblectus, cold-storage experiments 99-102,105 Coloration, lemons, hastening 757-769 ouadrimaculatus, cold - storage experi- Color, seed, inheritance in certain grain sor« ments 102-105 ghum crosses 53-64 Burbank potato, structural characters. 827,828,832 Conidia, Sclerospora grammicola, nocturnal Bushnell, L. D., and Beaudette, F. R.: Nat- production 771-784 ural Antisheep Ambroceptor and Comple- Conidiophores of Sclerospora graminicola, ment in the Blood of Fowls 709-715 development 773-774.776 Calcium- Coniocybe pattida, relation to Roesleria hypo- corn plant, determination and distribu- gaea 609,610 tion 850-858 Corn- determination in soil solutions 641 belt, crop rotations, relation to Gibberella hydrate, use in hydrolysis of straws 250, 251 saubinetii 877 salts, beneficial effects on alkali soils 687,690 black-bundle, symptoms, history of disease, Calcium pallidum, relation to Roeskria kypo- and causes 177-206 gaea 609,610 borer, European, comparison with com earworm 65-70 Cane blight, currant— brachytic, hybrids with teosinte, heredity description and cause 837-838,841-843 studies 577-594 occurrence on other hosts 827-844 composition of organs and dry weight.... 848-858 Capitophorous hippoPhoes, life history, notes. 518,519 crinkly, hybrids with teosinte, heredity Cap sella e Hip tica, occurrence in Utah salt flats 913 studies 539-566 Carbohydrates- earworm, comparison with European com plant, relations in photoperiodism 149-152 borer 65-70 daily variation in leaves of com and sor- fungi, literature, citations 964 ghums 785-808 growing, elements, removed from soil and Carbolic acid, effect on eggs of Ascaris spv> 170, air by acre crop 856-858 „ . 172,173.174 hybrids with teosinte, heredity studies.. 537-596 Carbon- infestation with com borer and with ear- corn plant, determination and distribu- worm 66-68 tion 850-858 inoculation— dioxid— with Gibberella saubinetii 871-877 concentration, effect on ripening of apples. 31-34 rots, experiments and results 961-963 effect on lemon coloration 758 leaves of, carbohydrates, daily variation.. 705-808 origin and function in soils 684-686 plant, composition 845-860 output in ripening of apples, estimation planting experiments, adjusting yields for method 25-31 soil heterogeneity 83-90 monoxid— purpling, symptom of black-bundle disease. 177, effect on lemon coloration, dangers 758 178,179,183-187 Carbonate, determination in soil solutions. 642-644 ramose, hybrids with teosinte, heredity Carbonates, alkaline, in soils 683-687 studies 539-566 Card, L. E., and Hamilton, T. S.: The root-pulling machine, description 71 Utilization of Lactose by the Chicken.... 597-604 root system, anchorage and extent 71-78 Cellulose, cooked straws, digestibility 348 rootrot, caused by Gibberella saubinetii, rela- CephalosPorium— tion to crop successions 861-880 acremontum— Com Rootrot Studies: Thomas F. Manns and description, growth, and life cycle 189-194 Claude E. Phillips 957-964 growth on artificial media 193-194 Corn- inoculation of com seed, experiments roots, effect of rootrot, susceptibility 74-77 and results 194-202 rotation for com belt 877 technical description 192 seed inoculation with Cephalosporium acre- sacchari— monium, experiments 194-202 fungus parasite of com, notes 958-963 susceptibility to rootrot, effect on root similarity to C. acremonium 191,192 systems, studies 74-77 Jan. 5-Mar. 29, 1924 Index 967

Com—Continued. Page Page uprooting, force required, studies 72-73 Dodge, B. O.: Aecidiospore Discharge as Re- varieties and strains, experimental growing lated to the Character of the Spore Wall.. 749-756 for comparisons 79-90 Early Ohio potato, structural characters 827. yield, adjusting, methods of 84,85,88-89 828,830 decrease due to black-bundle disease 178, Earworm, com, comparison with European 179»194-202 com borer 65-70 Corncobs, processed, feed value 251 Effect of Fertilizers on the Development of Cornstalk disease due to Gibberella saubinetii.. 181 Stem Rust of Wheat, The: E. C. Stakman Cosmos, exposures, long-day and short-day and O. S. Aamodt 341-380 experiments and results 129-135,136 Effect of Nitrate Applications upon the Cotton- Hydrocyanic-Acid Content of Sorghum: breeding, experiments in selective fertiliza- R. M. Pinckney 717-724 tion 329-340 Effect of Rust Infection upon the Water Re- Egyptian, comparison with Upland cotton quirement of Wheat: Freeman Weiss... 107-118 as to selective fertilizers 331-332,338-339 Effect of Sodium Hydroxid on the Composi- fertilization, selective 329-340 tion, Digestibility, and Feeding Value of hybrid, tissue fluids, comparison with Grain Hulls and Other Fibrous Material: parent cottons 283-320 J. G. Archibald 245-266 hybrids— Eggs, manganese in 422-423 heredity, studies 492-511 Egyptian cotton— relation to Selective fertilization 332-335 comparison with Upland and hybrid cot- leaf tissue fluids, physicochemical con- tons 277-320 stants 277-280 in selective fertilization 33i-332t 338-339 Pima, petal spot, inheritance 491-512 growth and characteristics 268-270 pollen tuber, growth rate, relation to selec- Electrical conductivity— tive fertilization 335-338 Egyptian and Upland cottons and hy- tissue fluids 267-328 brids 279,291-293,303,314-316 studies, materials, and methods 270-276 of tissue fluids of indicator plants, Utah.. 893-924 Upland, comparison with Egyptian as to ratio to freezing points of cotton 280, selective fertilization 331-332,338-339 293-295» 303-305,306,314» 316 Course of Acidity Changes During the Growth Elemental Composition of the Com Plant: Period of Wheat with Special Reference to W. I,. Latshaw and E. C. Miller 845-860 Stem-Rust Resistance, The: Annie May Emersons', R. A.: method of measuring link- Hurd 735-736 age value 884-885,891 Cram, Eloise B.: The Influence of I^ow Tem- Emersonella niveipes, enemy of Argus tortoise peratures and of Disinfectants on the Eggs beetle 49 of Ascaris lumbricoides 167-175 Ergot sclerotia, cause and identification 939 Cresol, effect on eggs of Ascaris spp 172-174 Ethylene— Crinkly-teosinte hybrids, characters inherit- effect on lemon coloration, experiments and ance, studies 539-566, 594 cost 761-767 Crop rotation, relation to diseases caused by low concentration, effect on lemon colora- Gibberella saubinetii 861-880 tion 760-761 Crops, yields, adjusting for correction of soil sources, chemical and physical characters heterogeneity 79-90 and uses 766-767 Crown gall, apple, distinction from stem Eucklaena spp., hybrids, heredity studies.. 537-596 tumor 695-698 European Com Borer, Pyrausla nubilalis Cucúrbita, pollen germ pores 755 Hbn., versus the Com Earworm, Heliothis Currant, cane-blight fungus, occurrence on obsoleta Fab.: George W. Barber 65-70 other hosts 837-844 Experiments with Flag Smut of Wheat and Cyanamid, chemical and biological studies the Causal Fungus, Urocystis tritici Kcke.: and some products 37-69 Marion A. Griffiths 425-450 Cytological Studies of Diploid and Polyploid Eyes, potato, description, arrangement, and Forms in Raspberries: Albert E. Longley development 819-821 and George M. Darrow 737-748 Feed, chicken, lactose utilization 597-604 Daily Variation of the Carbohydrates in the value of processed fibers 248-251 Leaves of Com and the Sorghums: Edwin Fern, sweet, rust aecidiospore discharge C. Miller 785-808 method ; 754 Darrow, George M., and Longley, Albert E.: Fertilization, selective, in cotton 329-340 Cytological Studies of Diploid and Poly- ploid Forms in Raspberries 737-748 Fertilizers— Davidson, Jehiel, and Wherry, Edgar T.: effect on rust development 115-117 Changes in Hydrogen-ion Concentration stem rust development on wheat 341-380 Produced by Growing Seedlings in Acid Feterita, crosses with other sorghums, seed Solution 207-217 . color of progeny 55-58» 59-61 Daylight, length— Fiber- effect on migration and sexual forms of effect of sodium hydroxid and other alka- aphididae 513-522 lies 247-248 relation to acidity and carbohydrate content hydrolysis, development of process 248-251 of plants 119-156 Fibrous materials, chemistry 246-247 Denny, F. E.: Hastening the Coloration of Flag smut, wheat— ï*emons 757-769 distribution and economic importance— 426, Desiccation, effect on wheat galls 950 451-452 Diarrhea, chicken, result of lactose feeding.. 602,603 parasitism of causal organism, by R. J. Dickson, James G., Koehler, Benjamin, and Noble 451-490 Holbert, James R.: Wheat Scab and Corn physiological studies 425-450 Rootrot Caused by Gibberella saubinetii in symptoms 427-429,452-453 Relation to Crop Successions 861-880 Flats, salt, Utah, vegetation and water.... 912-914 Diehl, H. C, and Magness, J. R.: Physiolog- Food- ical Studies on Apples in Storage 1-28 meadow mice, habits and losses occa- Diplodia zeae, cause of com rot, notes, 957-963 sioned 531-533 Diploid raspberries, histories and cytological stored by field mice, value to Indians ... 531,534 description 739, 740-742, 746 Formaldehyde, effect on lemon coloration 759 Deserts, comparison with Tooele Valley, Fowl, blood, antisheep amboceptor and Utah 918 complement 709-715 Disinfectants, effect on eggs of Ascaris lum- gizzard, grit function in 413-416 bricoides 170-174 lactase occurrence in intestines of 605 Disiichlis spicata, physicochemical con- Freezing point, depression of tissue fluids stants 910,911, 912 in indicator plants, Utah 894-916 968 Journal of Agricultural Research Vol. XXVII

Page Page Freezing point, Egyptian and Upland cot- Harris, J. Arthur, Gortner, R. A., Hoffman, tons and hybrids— 286, 287-291, 299-303,314,316 W. ' F., Lawrence, J. V., and Valentine, temperatures, effect on eggs of Ascaris A. T.: The Osmotic Concentration, etc., of lumbricoides 167-170 the Tissue Fluids of the Indicator Plants of Frog-eye, leaf spots on apple, cause 699 Tooele Valley, Utah 893-924 Fruit trees, destruction by meadow mice 533 Harris, J. Arthur, Lawrence, Zonja Wallen, Function of Grit in the Gizzard of the Fowl, Hoffman, W. F., Lawrence, John V., and The: B. F. Kaupp 413-416 Valentine, A. T.: The Tissue Fluids of Fungi- Egyptian and Upland Cottons and their Fi infection of plants, effect on water require- Hybrids 267-328 ment 108-110 Harrison, George J., and Kearney, Thomas literature citations 707-708, 783-784 H.: Selective Fertilization in Cotton 329-340 similarity to Roesleria hypogaea, synonomy Hastening the Coloration of Lemons: F. E. and cultures 609-613 Denny 757-770 rot, inoculation into com, experiments and Hay, destruction by meadow mice 533 results 96T-963 Haynes Bluestem wheat, stem-rust infection, spore walls, studies 749-756 experiments 350-361,372-373 spores, maturation period 455-456 Hebron potato, structural characters .. 827,828,831 Fusarium moniliforme, cause of com root- Helianthus annuus, planting at two-week rot 957-964 intervals 145-147 Galls, wheat- Heliothis obsoleta, compared with European arrangement and description, compari- com borer 65-70 sons 937-939 Hemagglutinins for sheep cells, presence in desiccation 950 fowl serum 715 effect of low and high temperatures 951 Herbs, Tooele Valley, Utah, physicochemical nematode, longevity and vitality 949-952 constants 898-916 spread of nematode disease 925-933.941-949 Heredity, teosinte-maize hybrids 537-596 Gardner, Max W., and Kendrick, J. B.: Soy- Heuckera americana, aphis on, development bean Mosaic; Seed Transmission and Effect of 517,520 on Yield 91-98 Hoffman, W. F., Harris, J. A., Gortner, Gamer, W. W., Bacon, C. W., and Allard, R. A., Lawrence, J. V., and Valentine, H. A.: Photoperiodism in Relation to A. T.: The Osmotic Concentration, etc., of Hydrogen-Ion Concentration of the Cell Sap the Tissue Fluids of the Indicator Plants of and the Carbohydrate Content of the Tooele Valley, Utah 893-9*4 Plant 119-156 Hoffman, W. F., Harris, J. Arthur, Lawrence, Gas, automobile exhaust, effect on lemon Zonja Wallen, Lawrence, J. V., and Valen- coloration, analysis, data 758 tine, A. T.: The Tissue Fluids of Egyptian stove. See Stove gas. Gases, effect on lemon coloration, detection and Upland Cottons and their F1 Hybrid. 267-328 by analytical methods 758-767 Holbert, James R., and Koehler, Benjamin: Geranium, pollen grains, formation, notes... 753, Anchorage and Extent of Cora Root Sys- 754» 755 tems 71-78 Gibberella saubmetii— Holbert, James R., Koehler, Benjamin, and cause of wheat scab and corn rootrot 861-880 Dickson, James G.: Wheat Scab and Corn fungus parasite of cora 958-963 Rootrot Caused by Gibberella saubinetii in Gladiolus, bacterial blight 225-230 Relation to Crop Successions 861-880 Glucose, estimation in urine, Benedict's Holbert, James R., and Reddy, Charles S.: method 599-603 The Black-Bundle Disease of Cora 177-206 Gortner, R. A., Harris, J. Arthur, Hoffman, Horse chestnut, current blight, occurrence. 838^839 W. F., I^awrence, J. V., and Valentine, A. Hulls, grain— T.: The Osmotic Concentration, etc., of the composition, effect of sodium hydroxid.. 254-258 Tissue Fluids of the Indicator Plants of digestibility, effect of sodium hydroxid.. 259-263 Toeole Valley, Utah 893-924 hydrolysis, experiments 252-262 Grain- Huntley Experiment Farm, Montana, irri- corn, elemental composition, and weight. 848-858 gation experiments 621,645,680,683 destruction by meadow mice 533 Hurd, Annie May: The Course of Acidity hulls- Changes During the Growth Period of composition, effect of sodium hydroxid. 254-258 Wheat with Special Reference to Stem- digestibility, effect of sodium hydroxid. 259-263 Rust Resistance 7*5-735 Grape— Hursh, C. R.: Morphological and Physiologi- rootrot fungus, Roesleria hypogaea, life his- cal Studies on the Resistance of Wheat to tory 609-616 Puccinia graminis Iritici 381-412 roots, inoculation with cultures of Roesleria Hyalopus yvonis, similarity to CephalosPo- hypogaea 613 rium acremonium 191,19a Grasses, Utah, Tooele Valley, physicochemical constants 907,910-912 Hybrids— Greasewood-shad"scale association physico- cotton— chemical constants 908-914 tissue fluids, comparison with parent Green Mountain potato, structural charac- cottons 283-320 ters 827,828,832 relation to selective fertilization 33*-335 Griffiths, Marion A.: Experiments with Flag raspberry, polyploid forms 742-745. 745-747 Smut of Wheat and the Causal Fungus, teosinte-maize, heredity, studies 537-596 Urocystis tritici 425-450 Hydrochloric acid, solutions, changes made Grit, function in gizzard of fowl 413-416 by growing seedlings 211-216 Guinea-pig serum, action on sheep cells.... 713-714 Hydrocyanic-acid— Gynosporangia, aecidiospores, discharge tontent of sorghum, effect of nitrate appli- methods— 753 catioms 717-7*3 GymnosPorangium myricatum, aecidiospore distribution in sorghum plants 72a discharge 749-756 Hydrogen, com plant, determination and Gypsum, beneficial effects on soils 667,687 distribution 850-858 Hamilton, T. S., and Card, I,. E.: The Utili- Hydrogen-ion Concentration— zation of Lactose by the Chicken 597-604 of cell sap, relation to photoperiodism.... 122-149 Hamilton, T. S., and Mitchell, H. H.: The produced by growing seedlings in acid Occurrence of Lactase in the Alimentary solution 207-217 Tract of the Chicken 605-608 Idaeobatus, subgenus of raspberry diploid Hardpan, formation, causes 668 forms 740^-742 Jan. s-Mar. 29, 1924 Index 969

Illinois— Page Leaves, com and sorghum— Page com black-bundle disease investiga- carbohydrate variation 803-806 tions 117-189,194-303 water, dry matter, and sugar content... 790-801 wheat flag smut discovery and studies 425,433-439 elemental composition, and weight 848-858 Indicator plants of Tooele Valley, Utah, tissue Leighty, C. E-, and Sando, W. J. :The Bloom- fluids, composition, etc 893-934 ing of Wheat Flowers 231-* Influence of JU>w Temperatures and of Disin- Lemon Men's Club of Southern California, fectants on the Eggs of Ascaris lumbricoi- aid in lemon coloration studies 768 des: Eloise B. Cram 167-176 Lemons- Inheritance of Petal Spot in Pima Cotton: coloration hastening 757-769 Thomas H. Kearney 491-51* manganese in 433 Inheritance of the Crinkly, Ramose, and picking, customs 757 Brachytic Characters of Maize in Hybrids treatment with ethylene, effect on color, ex- with Teosinte: J. H. Kempton 537-596 periments and cost 761-767 Insecticidal Effect of Cold Storage on Bean Leukel, R. W. : Investigations on the Nema- Weevils: A. O. Larson and Perez Simmons 99-106 tode Disease of Cereals Caused by Tylenchus Investigations on the Nematode Disease of tritici 925-956 Cereals Caused by Tylenchus tritici: R. W. Life History of the Grape Rootrot Fungus " l>ukel 925-956 Roesleria hypogaea Thüm. et Pass.; The: Ipomoea batatas root, anatomy, internal AngieM. Beckwith 609-6x6 breakdown 157-166 Light, artificial, use in supplementing sun- Iron, com plant, determination and distri- light to prolong day 119 bution 850-588 Lignin, determination in sheep feed 253 Irrigation water, percolation, rate and factors Linkage values, meastuement 881-891 influencing. 631-635 lumillo wheat, stem-rust infection, experi- Literature, citations on— ments 351-353» 372-373 chemistry of forage plants 807-808 Japan, wheat flag smut, occurrence 436,451 elemental composition of com 859 Jenkins, Anna E., and Stevens, Neil E.: fungi. 756, 783-784 Occurrence of the Currant Cane Blight internal parasites of animals 175 Fungus on Other Hosts 837-844 mosaic 98 Kafirs, crosses with other sorghums, seed raspberries 747-748 color of progeny 55-63 soil acidity 217 Kaupp, B. P., The Function of Grit in the sorghum crosses 64 Gizzard erf the Fowl 413-416 sweet-potato anatomy 166 Kearney, Thomas H.: Inheritance of Petal water requirements of plants 117-118 Spot in Pima Cotton 491-512 wheat-rust resistance 735 Kearney, Thomas H., and Harrison, George Longley, Albert E.. and Darrow, George M.: J. : Selective Fertilization in Cotton 329-340 Geological Studies of Diploid and Poly- Kempton, J. H.: Inheritance erf the Crinkly, ploid Forms in Raspberries 7*7-748 Ramose, and Brachytic Character oí Maize Magnesium— in Hybrids with Teosinte 537-5f6 corn plant, determination and distribu- Kendrick, James B., and Gardner, Max W.; tion 850-858 Soy bean Mosaic; Seed Transmission and determination in soil solutions 641 Effect on Yield 9i-*8 Magness, J. R-, and Diehl, H. C: Physiolog- Kennedy, Cornelia: The Nutritive Properties ical Studies on Apples in Storage 1-38 oí Wild Rice 219-334 Maize in hybrids with teosinte, inheritance Kocbia association, physicochemical con- of characters 537~596 stants. 904-906 Manganese— Kochia vestita, composing Kochia association . 904 association with vitamins 417-424 Koehler, Benjamin, and Holbert, James R*: com plant, determination and distribu- Anchorage and Extent of Com Root systems 71-78 tion 850-858 Koehler, Benjamin. Dickson, James G., and in animal tissues , 430-423 Holbert, James R. : Wheat Scab and Cora fish- Rootrot Caused by Gibberella saubenetii in liver of cod 421 Relation to Crop Successions 861-880 roe in milk 422 Lactase in the alimentary tract of the Manns, Thomas F., and Phillips, Claude E.: chicken 605-608 Com Rootrot Studies 957-964 Lactose- Manure- determination methods 599-602 effect on cereal rusts.343-344,355,360-361,371-373 feeding to hens, experiments and results.. 597-604 infection with wheat nematodes and spread utilization by chickens 598-604 of disease 945-947 La France raspberry, origin and character— 737» Marcovitch, S.: The Mirgation of the Aphidi- 742. 743 dae and the Appearance of the Sexual Larson, A. O., and Simmons, Perez: Insecti- Forms as Affected by the Relative Length cidal Effect of Cold Storage on Bean Wee- of Daily Light Exposure 513-522 vils 99-105 Marquis wheat, stem-rust infection, ex- Latshaw, W. L., and Miller, E. C : Elemental periments 361-371 372-373 Composition of the Corn Plant 845-860 Lawrence, J. V., Harris, J. Arthur, Gortner, Masicera exilis, enemy of Argus tortoise R. A., Hoffman, W. F., and Valentine, beetle 49 A. T: The Osmotic Concentration, etc., of Masurovsky, Benjamin: A Study of the Tissue Fluids of the Indicator Plants of Effects of Pumpkin Seeds on the Growth Tooele Valley 893-934 of Rats 39^42 Lawrence, John V., Harris, J. Arthur, Law- McCormick potato, structural characters 837, rence, Zonja Wallen, Hoffman, W. F., and 838,833 Valentine, A. T.: The Tissue Fluids of McCulloch, Lucia: A Bacterial Blight of Egyptian and Upland Cottons and Their Gladioli 335-330 F 1 Hybrid 267-328 McHargue, J. S.: The Association of Manga- Lawrence, Zonja Wallen, Harris, J. Arthur, nese with Vitamins 417-434 Hoffman, W. F., Lawrence, John V., Meade Upland cotton, comparisons with and Valentine A. T.: The Tissue Fluids others 383-330 of Egyptian and Upland Cottons and Meadow mice. See Mice. Their F1 Hybrids 267-328 Measurement of Linkage Values: G. N. Leaching, alkali soils, experiments 655- Collins 881-893 660,669-670 Mendelian ratios, discussion 883,886 Leaf rust, infection, effect on Marquis wheat, Meteorological relation to the blooming of experiments 113 wheat. 340-243 521—25t 3 970 Journal of Agricultural Research Vol. XXVII

Page Page Mice, meadow- Occurrenceof the Currant Cane Blight Fungus breeding, feeding, and habits 523-536 on Other Hosts: Neil E. Stevens and Anna control by natural enemies and cultural E. Jenkins 837-844 methods 533 Oils, volatile^ effect on spore germination of life history, habits, control, uses 524-534 Urocystis tritici 461-462- Michigan potato, structural characters 827, On the Anatomy of the Sweet Potato Root, 828,830 with Notes on Internal Breakdown: Ernst Microtus montanus— Artschwager 157-166 general habits, life history, control 524-534 Oranges, manganese in 423 plague in Nevada, and losses caused 523-524 Osmotic Concentration, etc., of the Tissue Migration of the Aphididae and the Appear- Fluids of Indicator Plants of Tooele Valley, ance of the Sexual Forms as Affected by the Utah: J. Arthur Harris, R. A. Gortner, Relative Length of Daily Light Exposure, W. F. Hoffman, J. V. Lawrence, and A. T. The: S* Marcovitch 513-522 Valemtine 893-924 Milk, manganese in 422 Osmotic pressure of tissue fluids in cottons.. 277, value as chicken feed 597 279, 299.310,321,323 Miller, Edwin C: Daily Variation of the Oxygen, com plant, determination and dis- Carbohydrates in the leaves of Com and tribution 850-85& the Sorghums 785-808 Pearl potato, structural characters 827,828,833 M illei, E. C, and Latshaw, W. L.: Elemental Periderm potato, structure and varietal differ- Composition of the Corn Plant 845-860 ences 829-833 Milo, leaves of, carbohydrates in 788-806 Petals, Pima cotton, spot inheritance 491-512 Mindum wheat, stem-rust infection, experi- Phenols, effect on eggs of Ascaris spp 170-174 ments 371 Phillips, Claude E., and Manns, Thomas F.: Minnesota, experiments on effects of fertili- Com Rootrot Studies 957-964 zers on wheat stem rust 345-373 Phosphoric acid solutions, changes made by Missouri, Botanical Gardens, studies of wheat growing seedlings 211-216- flag smut 435-437 Phosphoms, com plant, determination and Mitchell, H. H., and Hamilton, T. S.: The distribution 850-858 Occurrence of Lactase in the Alimentary Photoperiodism in Relation to Hydrogen-Ion Tract of the Chicken 605-608 Concentration of the Cell Sap and the Car- Morphological and Physiological Studies on bohydrate Content of the Plant: W. W. the Resistance of Wheat to Pucctnia Gamer, C. W. Bacon, and H. A. Allard. x 19-156 çraminis tritici Erikss. and Henn.: C. R. Photoperiodism, relation to acidity of cell sap Hursch 381-412 and carbohydrate content 119-156 Morphological Characters of Alternaría mali Physiological Studies on Apples in Storage: Roberts: John W. Roberts 699-708 J. R. Magness and H. C. Diehl 1-38 Mosaic soybean— Pigs, worms in, control 167-175 effect on seed germination and yield... 95-97.98 Pilacre faginea, synonomy and culture. 610-6x3,615 secondary spread .' 95 Pima cotton- seed transmission and effect on yield 91-98 Petal spot, inheritance 491-512 Mouse plagues, records, and injuries to Egyptian, comparison with others 277-320 crops 523-524 Pinckney, R. M.: Effect of Nitrate Applica- Movement of Water in Irrigated Soils, The: tions upon the Hydrocyanic-Acid Content CarlS. Scofield. 617-694 of Sorghum 717-723 Mucoraceae, zygospore walls 755 Plant- Myzus brevipilosus, development, relation to breeding, measurement of linkage values. 881-891 temperature 515 lice. See Aphids. Natural Antisheep Amboceptor and Com- roots, effect on spores of fungous parasites. 457-458 plement in the Blood of Fowls: F. R. Beau- Plants— dette and I,. D. Bushnell 709-716 acidity, relations during transaction period 148-149. Nematode— carbohydrate relations to photoperiodism 149-152 disease, wheat, description, galls, spread, desert, sap composition, investigations... 893-924 * etc 925-956 indicator, of Tooele Valley, Utah 893-924 larvae, overwintering, and spread of infec- infection with parasites, effect on water re- tion 948-949 quirement, review 108-no wheat, host range 933-935 leng-day, effect of light on acidity 140-144 Nematodes, cause of disease of cereals 925-956 medium-day, acidity, relations to photo- Nevada, mouse plagues, and losses caused. 523-524 periodism 145-147 Newlands Experiment Farm, irrigation ex- relations to photoperiodism 119-156 periments 620-621, short-day. effect of light period on acidity. 128-140 622,625-627,645,659,669,674-677,680 stem growth, relation to length of daylight. lao Nitrate— tissue fluids, relation to composition of applications to soil, effect on hydrocyanic- soils, studies 893-894,9x8 acid content of sorghum 717-723 Pollen- determination in soil solution 644 sterility in raspberry hybrids 745 Nitric acid, solutions, changes made by grow- tubes, cotton, growth, rate, relation to selec- ing seedlings 211-216 tive fertilization 335-338 Nitrogen— Polyploid raspberries, history and cytological com plant, determination and distribu- description 740,742-745,746 tion 850-858 Poly stigma rubra, infection of leaves, effect on fertilizers, effect on wheat stem rust devel- transpiration. ' 109 opment 342-344.355.360-361,371-373 Pop com, hybrids with teosinte, charac- soil, relation to hydrocyanic-acid content of ^t?1"8- : 537» 539 sorghum 717, 718, 722 Potassium— Noble, Robert J.: Studies on the Parasitism of chlorid, effect on wheat stem rust 346-369 Urocystis triciti, the Organism Causing Flag com plant, determination, distribution.. 850-858 Smut of Wheat 451-490 determination in soil solution 641 Nocturnal production of Conidia by Sclero- Potato— spora gramrnicola: William H. Weston. jr 771-784 cytological studies 822-823 Nutrients, mineral, effect on rust development eyes, description, arrangement, and devel- and results 116-117 opment 819-821 Nutritive Properties of Wild Rice, The: Cor- skin, structure and varietal differences... 829-833 nelia Kennedy 219-224 stolon, structure and functions.. 809-813,825-826 Oats, infection with wheat gall nematode.. 934,935 tuber, studies '. 809-836 rust infection, relation to fertilizers 349 varieties, classification, comparisons in Occurrence of Lactase in the Alimentary structure, etc 826-829,830-833 Tract of the Chicken, The: T. S. Hamilton Prosser Experiment Farm, Washington, and H. H. Mitchell 605-608 irrigation experiments 625-62 Jan. 5-Mar. 29, 1924 Index 971

Protein— Page Rust— Page crystals in potatoes 824 bayberry, aecidiospore discharge, studies. 749-756 colloidal, of plants, acidity relations 123-124 cereal, relation to fertilizers i34»-345 Prussic acid. See Hydrocyanic acid. development, effect of certain mineral nutri- Puccinia— ents 115-117 graminis— infection, effect on water requirements of appressoria number, relation to wheat wheat 107-118 leaf infection 388-390 orange, on blackberry, aecidiospore distri- germ tubes entrance into hosts, factors bution 749,753-754 affecting 384-390 resistance— tritici, resistance of wheat, studies 381-412 relation to structure of wheat stem 390-394 See Stem rust, wheat. wheat sap properties 401-404 xantkis, infection of apple leaves, effect 109 Rye- Pumpkin seeds, effect on growth of rats 39-42 injury by nematode disease 926-933,953 " Purples." See Nematode disease. nematode infection from wheat galls 934 Pyrausta nubilalis, comparison with Euro- rust infection, relation to fertilizers 349 pean com borer 65-70 Sacaton, Ariz., experiments in reclaiming al- "Radekrankheit" (nematode disease) 925-956 kali land 667 Radish, summer, response to length of day- Sagebrush association, physicochemical con- light, experiments 141-143 stants 898-903 Ramose-teosinte hybrids, characters, inheri- Salt River Valley, Ariz., irrigation experi- tance 566-577,594-595 ments »*. . ; 622, 645 Raspberries— solutions, effect on eggs of Ascaris lum- diploid and polyploid forms, cytological bricoides 171 studies 737-748 Salts, nutrient, relation to development of forms, literature, citations 747-748 stem rust. 394-401 historical and cytological description .... 739-745 Sand-hill, mixed association, physicochemi- pollen, sterility, cause 745 cal constants 903-904 Raspberry-blackberry hybrids, characters. 745-746 Sando, W. J., and Weighty, C. B.: The Bloom- Rats, feeding on wild rice, experiments 221-224 ing of Wheat Flowers 231-244 growth, effect of pumpkin seeds on 39-42 Sap- Reddy, Charles S., and Holbert, James R.: desert plants, investigations 893-924 The Black-Bundle Disease of Com 177-206 wheat, physicochemical properties, relation Refrigeration, effect on bean weevils 100-105 to rust resistance # 401-404 Reproduction, plant, relation to photope- Sarcobatus vermiculatus, associated with shad riodism 120 scale, physicochemical constants 908-914 Respiration, apples, coated and normal fruits, Sawdust, hydrolyzed, feed value 251 measurements 24-31 Scab, wheat, relation to previous crops, and to Rice- com rootrot 862-871 comparison with milk in composition.... 220-221 Sclerospora— cultivated, comparison with wild 220 graminicola, nocturnal production of coni- wild, composition, analyses, nutritive dia 771-784 properties 219-224 spp., conidia production, comparisons... 775-781 Richey, Frederick D.: Adjusting Yields to Scofield, Carl S.: The Movement of Water in Their Regression on a Moving Average as a Irrigated Soils 617-693 Means of Correcting for Soil Heterogeneity. 79-90 Seed-Color Inheritance in Certain Grain- Ripening, apples, changes on the tree and in Sorghum Crosses: John B. Sieglinger... 53-64 storage 1-23 Seed- Roberts. John W.: Morphological Characters corn- of Alternaria mali 699-708 infection determination 194 Roesleria hypogaea, life history, synonomy, with fungi, determination method 959-960 and cultures 609-616 inoculation with Cephalosporium acre- Rome Beauty apples, respiration in storage monium, experiments 194-203 at different temperatures 28-30 sorghum, color inheritance in certain grain- Root crops- sorghum crosses 53-54 destruction by meadow mice 533 soybean, mosaic transmission 91-9® louse, strawberry, life history, notes 513, wheat, cleaning to control nematode disease 953 516,517,519,521 Seedlings— sweet potato— growing in acid solutions, changes in hy- anatomy and internal breakdown 157-166 drogen-ion concentration 207-217 early differentiation and development. 158-162 wheat, susceptibility to stem rust, varia- internal breakdown in storage 164-166 tions 396-401 structure, anatomical details 157-158 Selective Fertilization in Cotton: Thomas H. Rootrot— Kearney and George J. Harrison 329-340 com, relation to wheat scab 869-871 Serum— studies 957-964 fowl— grape, fungus, Roesleria hypogaea, life his- action on cells of various animals, litera- tory 609-616 ture 709-711,715 susceptibility, effect on com root system.. 74-77 effect on sheep cells, experiments 714-715 Roots, com— guinea-pig, action on sheep cells 713-714 anchorage and extent 71-78 Shadscale association, physicochemical con- elemental composition and weight 854-858 stants 906-907 Rosa pratíncola, current cane blight occur- Sheep- rence 840-841 blood, effect of serum from fowls 709-715 Rose, currant blight, occurrence 839-840 cells, hemolysis, action of serum from rab- potato, structural characters 827,828,830 bits, guinea pigs, and fowls 712-715 Rotation, crop— feeding with hydrolized grain hulls 252 relation to diseases caused by Gibberella Shive's solution, use in nutrient treatments saubineiti 861-880 for wheat, formula in, 116 to control wheat nematodes 952-953 Shoshone Project, Wyo., irrigation water.. 672,673 Rots, fungi, inoculation into com, experi- Shrubs, Tooele Valley, Utah, physicochemi- ments and results 961-963 cal constants 898-916 Rubus— Sieglinger, John B.: Seed-Color Inheritance orange rusts, aecidiospore distribution 749, in Certain Grain-Sorghum Crosses 53-64 . . 753-754 Silica, determination in soil solutions 644 spp., chromosomes and pollen condition, Silicon, com plant, determination and dis- studies 739-747 tribution 850-858 Rudbeckia bicolor, response to length of day- Simmons, Perez, and Larson, A. O.: Insecti- light, experiments 143-144 cidal Effect of Cold Storage on Bean Wee- Rural potato, structural characters 827,828,833 vils 99-105 972 Journal of Agricultural Research Vol. XXVII

Smut, flag, wheat— Page Stem tumor, apple— Page bibliography 448-449,486-489 caused by woolly aphis 696 physiological studies 425-450 comparison with crowngall 695-698 parasitism of causal organism 451-490 Stevens, Neil E., and Jenkins, Anna E.: Oc- Sodium— currence of the Current Cane Blight Fungus cause of impermeability of soils 687,690 on Other Hosts 837-844 determination in soil solutions 641 Stolon, potato, structure and functions 809- hydrate, use in hydrolysis of straws 248-251 813,825-826 hydroxid— Stone cells, potato, varietal differences 828-829 action on fiber 247-248 Storage- effect on grain hulls and other fibrous apples, physiological studies 1-38 materials 245-265 sweet potatoes, internal breakdown 164-166 nitrate, effect on wheat stem rust, experiments 346-369 Stove gas— removal from the soil 687-690 constituents, removal by absorbents 759-760 Soil- effect on lemon coloration, analysis data, constituents, solubility in water 648-651 experiments 758, 761-767 heterogeneity, corr ction discussion 79-90 Strawberry root louse, life history, notes 513. infection with rootrot, studies 960-961 «, , 516,517.519,521 wheat nematodes 941-944 Straw pulp, prepared feed, value 249 irrigated, water movement in 617-693 Straws, cooked, feed value 248-25 x leaching experiments 655-660,669-670 Studies on the Parasitism of Urocystis tritici permeability, relation to basis elements.. 663-668 Koern., the Organism Causing Flag Smut of saline, leaching in the field 665-668 Wheat: Robert J. Noble 451-490 solution- Studies on the Potato Tuber: Ernst composition, important constituents... 639-644 Artschwager 809-836 determination of constituents 640-644 Study of the Effects of Pumpkin Seeds on the dilution, effect 651-660 Growth of Rats: Benjamin Masurovsky... 39-42 exchange reactions 660-663 Subsoil, water-holding capacity 621-623 extraction methods 636-639 Suckering, excessive, symptom of black- relation to salts in soil 635-636 bundle disease of corn 177,184-186,195-200 sorghum, treatment with nitrates, experi- Sugar, reducing, determination method, ments 718-722 Munson-Walker-Bertrand 599-603 type, relation to availability of water 624-626 Sugars- water, conditions relating to irrigation... 624-626 determination in sap of wheat varieties.. 402-403 water-holding capacity 618-621 in com and sorghum leaves 790-801,805-806 Solanin, occurrence in potato, and accumula- Sulphate, determination in soil solutions .... 64* tion 824-825 Sulphur, com plant, determination and dis- Solutions, nutrient, acidity changes caused by tribution 850-858 growing seedlings 207-217 Sulphuric acid, effects on alkali soils 687-689 Sorghum— Sunflowers, planting at two-week intervals, analysis method 719 experiments and results 145-147 grain, crosses, seed-color inheritance 53-64 Sunrise kafir, crosses with other sorghums, hydrocyanic-acid «intent, effect of nitrate seed color of progeny 55, 57. 58,61,63 solutions 717-723 Sweat room atmosphere, affect on lemon indicator of nitrogen available in soils 722 coloration, analysis data 758 leaves, carbohydrates, daily variation... 785-808 Sweet potato- South Africa, wheat flag smut.occurrence and injury by Argus tortoise beetle 43.46,48,49 importance 427t 452 root, anatomy, and internal breakdown Soybean, Mosaic; Seed Transmission and of 157-166 Effect on Yield: James B. Kendrick and Tannin, in potato cells 824 Max W. Gardner 91-98 Temperature— Soybeans— effect on lemon coloration rate 76* Biloxi; exposure to long-day and short-day low, effect on eggs of A scaris lumbricoides. 167-175 light, results 135-139.148 Tents, lemon, coloration experiments 763 Mosaic, symptoms and injuries 91.98 Teosinte-maize hybrids, inheritance of char- varietal response to length of daylight 119 acters 537-596 varieties susceptible to mosaic disease 91-94 Tissue Fluids of Egyptian and Upland Cot- Spelt, nematode infection from wheat galls.... 934 tons and Their Fi Hybrid: J. Arthur Har- Spikelets, wheat, nematode galls, number ris, Zonji Wallen Lawrence, W. F. Hoff- and arrangement 937-938 man, John V. I^awrence, and A. T. Valen- Spores— Urocystis tritici, germination, viability, and tine 267-328 overwintering 430-435.455-47°. 479-484 Tithonia rotundifolia, response to length of walls in fungi, studies 749-756 day 139-140 Sporobolus airoides, physicochemical con- Tissue fluids. See Sap stants 9". 912 Tobacco, Maryland Mammoth, response to Stakman, E. C, and Aamodt, O. S.: The daylight, length, experiments 139 Effect of Fertilizers on the Development of Tomatoes, manganese in 423 Stem Rust of Wheat 341-380 Toxascaris limbata— Stansbury Mountains, Utah, typical vege- effect of disinfectants on 170 tation 896-898,914 eggs, exposure to low temperatures, re- Starch, determination in sheep feed 253 sults 167 potato, varietal character 829 Transpiration, plants, effect of parasitic in- Stem rust- fection 108-110 development, relation to nutrient salts... 394-401 Triumph potato, structural characters.. 827,828,830 germ tubes, entrance to wheat, factors influ- Tubers, potato, description, structure, encing 384-390,404 growth, and chemical constitution 809, infection, effect on Marquis wheat, experi- 813-819,823-825 ments 113 Tylenchus tritici— resistance, relation to wheat acidity 725-735 cause of nematode disease of cereals...... 925-956 wheat, relation to fertilizers 341-380 description and life history, longevity, resistance, studies 381-412 etc 939-941.949^952,954 Stems- Upland cottons, comparison with Egyptian corn, elemental composition and weight.. 848-858 and hybrid cottons 277-320 wheat, structure, relation to rust resis- Up-to-Date potato, structural characters..... 827, tance 390-394.404-406 828,833 Jan, s-Mar. 29, 1924 Index 973

Page Pag« Uric acid, effect on determination of lac- Wheat- tose 599-602 acidity changes during growth, relation to Vrocystis— stem-rust resistance 725-735 spp., spore germination morphology 475^480 blooming, meteorological relations 240-242 tritici— disease resistance, relation to acidity 731-734 cause of 6ag smut of wheat, study 423-45° flag smut, and its causal fungus Urocysiis development and relation to its host... 453-470, tritici, studies 425-450 479-484 flower, blooming process, time, period, parasitism, studies 451-490 etc 231-244 spore germination stimulation 458-466 growth, acidity changes 726-731 infection by flag smut 435-447» 470-479 Utah— injury by nematode disease 928-932 Stansbury Mountains, typical vegeta- leaf hairs, relation to stem-rust infection.. 384-385 tion 896-898 manganese in 419 Tooele Valley, indicator plants, tissue nematode disease, symptoms, galls, control 936-953 fluids, composition, etc 893-924 resistance to stem rust 381-412 Utilization of Lactose by the Chicken, The: rust infection, effect on water require- T. S. Hamilton and I/. E. Card 597-604 ment 107-118 Valentine, A. T., Harris, J. Arthur— sap, physicochemical properties, relation to Gortner, R. A., Hoffman, W. F., and Law- rust resistance 401-404 rence, J. V.: The Osmotic Concentration, Wheat Scab and Com Rootrot Caused by Gib- etc., mi Tissue Fluids of the Indicator ber ell a saubinetii in Relation to Crop Succes- Plants of Tooele Valley, Utah 893-924 sions: Benjamin Koehler, James G. Dick- Lawrence, Zonja Wallen, Hoffman, W. F., son, and James R. Holbert 861-880 & and Lawrence, John V.: The Tissue Wheat- Fluids of Egyptian and Upland Cottons seedlings— and their F,i hybrids 267-328 growing in acid solutions, changes in Vapors, effect on lemon coloration 767 acidity .- 210-216 Vegetation, types in Utah, Tooele Valley, stem, morphology, relation to rust resist- physicochemical characters 895-918 ance 39o-394> 404-406 Viala and Pacottet, cultures of Roesleria rust- kypogaea, comparisons 611,612-613 relation to fertilizers 341-380 Vitamins, associated with manganese 417-424 resistance, relation to acidity changes Water- during growth 725-735 holding capacity of soils and subsoils 618-624 s torn a ta, number, size, and movement... 385-388 irrigation- varieties— comparison with underground waters.. 678^-683 acidity at different stages of growth.... 732-734 penetration, rate and measurement.... 626-631 sap, physicochemical properties, com- percolation rate and factors influencing. 631-63 s parisons 401-403 reacting value of constituents 647 stem-rust infection, effect of festilizers.. 350-373 movement in irrigated soils 617-693 structure, comparisons 390-394 relations in plants, effects of photoperiod- testing for resistance to flag smut...... 445-447 ism 121-taa water requirements, reports of investiga- requirement of rust-infected wheat 107-118 tors 114 soil- Wherry. Edgar T., and Davidson, Jehiel: availability, relation to type of soil 624-626 Changes in Hydrogen-Ion Concentration conditions, relation to irrigation 624-626 Produced by Growing Seedlings in Acid definitions 624 Solution 20Ï-217 Tooele Valley, Utah, physicochemical con- Whittier Citrus Association, aid in lemon stants 913 coloration studies 768 under ground— Winesap apples, respiration in storage at dif- accumulation and movement 668-678 ferent temperatures 26-3© comparison with irrigation waters 678-683 Wood meal, processed, feed value 250,251 composition, statement 644-648 Worms, pig, control studies 167-175 Weevil, bean, cold storage, insectiddal ef-' York Imperial apples, respiration in storage feet 99^105 at different temperatures 28 Weiss, Freeman: The Effect of Rust Infection Yule's, coefficient of association, method of upon the Water Requirement of Wheat.. 107-118 measuring linkage values 884 Weston, William H., jr.: Nocturnal Produc- Zizania aquatica, composition, analyses, nu- tion of Conidia by Sclerospara graminicola. 771-784 tritive properties 219-224

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