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Cucurbit Genetics Cooperative (CGC) Was Organized in 1977 to Develop and Advance the Genetics of Economically Important Cucurbits

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Cucurbit Genetics Cooperative (CGC) Was Organized in 1977 to Develop and Advance the Genetics of Economically Important Cucurbits CGC Coordinating Committee Chair: Timothy J Ng College Park, MD, USA Cucurbit Cucumber: Jack E. Staub Madison, WI, USA Melon: David W. Wolff Lehigh Acres, FL, USA Watermelon: Dennis T. Ray Genetics Tucson, AZ, USA Cucurbita spp.: Linda Wessel-Beaver Mayagúez, PR, USA Other genera: Mark G. Hutton Cooperative Monmouth, ME, USA CGC Gene List Committee Cucumber: Todd C. Wehner Raleigh, NC, USA Melon: Michel Pitrat Montfavet, FRANCE Watermelon: Bill B. Rhodes Clemson, SC, USA Fenny Dane Auburn, AL, USA Cucurbita spp.: R.W. Robinson 26 Geneva, NY, USA Rebecca Brown Corvallis, Oregon Harry S. Paris Ramat Yishay, ISRAEL Other genera: R.W. Robinson Geneva, NY, USA CGC Gene Curators Cucumber: Todd C. Wehner 2003 Raleigh, NC, USA Jack E. Staub Madison, WI, USA ISSN 1064-5594 Melon: Michel Pitrat Montfavet, FRANCE James D. McCreight 2118 Plant Sciences Building Salinas, CA, USA Watermelon: Todd C. Wehner College Park, Maryland Raleigh, NC, USA Xingping Zhang 20742-4452 USA Woodland, CA, USA Cucurbita spp.: R.W. Robinson Tel: (301) 405-4345 Geneva, NY, USA Fax: (301) 314-9308 Other genera: R.W. Robinson Geneva, NY, USA Internet: [email protected] Deena Decker-Walters Miami, FL, USA http://www.umresearch.umd.edu/cgc/ The Cucurbit Genetics Cooperative (CGC) was organized in 1977 to develop and advance the genetics of economically important cucurbits. Membership to CGC is voluntary and open to individuals who have an interest in cucurbit genetics and breeding. CGC membership is on a biennial basis. For more information on CGC and its membership rates, visit our website (http://www.umresearch.umd.edu/cgc/) or contact Tim Ng at (301) 405-4345 or [email protected]. CGC Reports are issued on an annual basis. The Reports include articles submitted by CGC members for the use of CGC members. None of the information in the annual report may be used in publications without the consent of the respective authors for a period of five years. ISSN 1064-5594 NEWS & COMMENT Watermelon (Citrullus lanatus) v Comments from the CGC Coordinating Committee v Comments from the CGC Gene List Committee 18 Resistance to Fusarium Wilt and Root-knot v Comments from the CGC Gene Curators Nematode in Watermelon Germplasm v 2002 CGC Meeting I (Toronto CA) G.E. Boyhan, D.B. Langston, D.M. Granberry, P.M. vi 2002 CGC Business Meeting (Naples, FL) Lewis and D.O. Linton (USA) vii Cucurbitaceae 2002 rd vii 23 Annual Meeting of the Watermelon Research 26 Mass Production of Gummy Stem Blight and Development Working Group Spores for Resistance Screening viii Availability of Cucurbit Conference Proceedings ix In Memoriam: Frank William Zink, Jr.: 1923-2001 G. Gusmini, T.L. Ellington and T.C. Wehner (USA) x In Memoriam: Dermot P. Coyne: 1929-2002 xi Upcoming Meetings of Interest to Cucurbit 31 Naming the Gene Conferring Resistance to Researchers Cool Temperatures in Watermelon RESEARCH REPORTS R. Provvidenti (USA) 32 Polygenic Inheritance of Some Vine Traits in Cucumber (Cucumis sativus) Two Segregating Watermelon Families 1 Dihaploid Female Lines, Mother Component G. Gusmini and T.C. Wehner (USA) of F1 Pickling Cucumber Hybrids 36 Diagnostic Chloroplast DNA Haplotypes to V. Nokolova, M. Alexandrova and V. Stoeva Distinguish Cultivated from Citron Type (Bulgaria) Watermelon 4 Enterobacter cloacae Bacterium as a Growth F. Dane and R. Bakhtiyarova (USA) Regulator in Greenhouse Cucumbers (Cucumis sativus L.) Cucurbita spp. O. Georgieva (Bulgaria) 40 Two Oriental Squash Varieties Resistant to Powdery Mildew Bred through Interspecific Melon (Cucumis melo) Crosses 7 Evaluation of Several Accessions and Wild M.C. Cho, Y.H. Om, Y.C. Huh, I.G. Mok and H.G. Relatives of Cucumis melo against Cucumber Park (Korea) Vein Yellowing Virus (CVYV) 42 Seed transmission of Zucchini Yellow Mosaic C.F. Marco, M.A. Aranda, T. Montoro and M.L. Virus on Cucurbita pepo conv. citrullinina Gómez-Guillamón (Spain) var. styriaca (Oilseed Pumpkin) 9 Correlation among Growth, Yield and I. Tóbiás, L. Sári and H. Kuhlmann (Hungary and Quality Characters in Cucumis melo L. Germany) M. Taha, K. Omara and A. El Jack (Sudan) 44 Fruit Color Inheritance in a Cross of a Dark- Colored Accession with a Light-Colored 12 Determination of Fruit Sampling Location Accession in Cucurbita pepo for Quality Measurements in Melon (Cucumis melo L.) H.S. Paris, F. Baumkoler and A. Hanan (Israel) M. Paris, J.E. Staub and J.D. McCreight (USA) 46 Fruit Color Inheritance in Crosses of a Striped Accession with Two Light-Colored Accessions in Cucurbita pepo H.S. Paris, A. Hanan and F. Baumkoler (Israel) iii 48 Inheritance of Immature Fruit Color in GENE LISTS Cucurbita maxima var. Zapallito (Carrière) Millán 76 2003 Gene List for Watermelon F. López-Anido, V. Cravero, P. Asprelli. E. Cointry, N. Guner and T.C. Wehner (USA) I. Firpo and S.M. García (Argentina) 93 Gene Nomenclature for the Cucurbitaceae 51 Ascorbate and Carotenoid Content in an Indian Collection of Pumpkin (Cucurbita 94 Covenant and By-Laws of the Cucurbit moschata Duch. ex Poir.) Genetics Cooperative S. Pandey, J. Singh, A.K. Upadhyay, D. Ram and M. Rai (India) 54 Combining Ability and Heterosis in Line x Tester Crosses of Summer Squash (Cucurbita pepo L.) E.A. Ahmed, H.S. Ibn Oaf and A.E. El Jack (Sudan) 57 On the Genetics and Histology of the Hull- less Character of Styrian Oil-pumpkin (Cucurbita pepo L.) A. Zraidi, R. Obermayer, M. Pachner and T. Lelley (Austria) 62 Comparison of RAPD Fragment Separation in Agarose and Polyacrylamide Gel by Studying Cucurbita Species G. Stift, M. Pachner and T. Lelley (Austria) Other Genera and Species 66 The Cultivation and Cucurbitacin Content of Ecballium elaterium (L.) A. Rich. E. Attard and A. Scicluna-Spiteri (Malta) 70 Habitat Studies for the Wild Stocks of Ecballium elaterium (L.) A. Rich. E. Attard, A. Scicluna-Spiteri and H. Attard (Malta) 74 In vitro Propagation of Pointed Gourd (Trichosanthes dioica Roxb.) S. Kumar, M. Singh, A.K. Singh, K. Srivastava and M.K. Banerjee (India) iv 2002 CGC Meeting I (Toronto CA) Tim Ng, CGC Chair After introductions, an update of CGC Report No. 25 was presented. Tim Ng indicated that the production CGC met on Sunday, 11 August 2002, in Toronto, was behind schedule, but that the 25th anniversary Canada, in conjunction with the 2002 Annual issue would be printed and distributed sometime in Conference of the American Society for Horticultural early 2003. The cover would feature a graphic logo Science. This meeting was not the official annual solicited from among CGC members for the 25th business meeting, which was scheduled to be held in anniversary. The submitted logos were circulated December in conjunction with Cucurbitaceae 2002; among the members, and the one designed by however, many CGC members attend the ASHS Amanda Neill was selected for the CGC cover. In Annual Conferences, and this served as a good addition, a logo submitted by Tarek Kapiel was opportunity for CGC members to get together. selected for the CGC webpage. Fifteen members and guests were in attendance. Two upcoming meetings of interested to CGC members were announced. Don Maynard announced Comments: that Cucurbitaceae 2002, scheduled for December From the CGC Coordinating Committee: CGC 2002 in Naples, FL, was on schedule and that they Report No. 27 will be published in August 2004. were looking forward to an exciting and stimulating Contributors to the CGC Report should check the meeting. It was also announced that the 8th Eucarpia website (http://www.umresearch.umd.edu/cgc/) for Cucurbitaceae 2004 Meeting on Cucurbit Genetics deadlines, and for instructions on preparing and And Breeding was scheduled to be held in the Czech submitting manuscripts. As always, we are eager to Republic in 2004, and that it was being organized by hear from CGC members regarding our current activities and future direction of CGC. Aleš Lebeda and others at Palacký University in Olomouc-Holice. Further conference information From the CGC Gene List Committee: Lists of would be available at the conference website: known genes for the Cucurbitaceae have been http://www.cucurbitaceae.upol.cz/ published previously in HortScience and in reports of the Cucurbit Genetics Cooperative. CGC is currently Tim then talked about the movement of the CGC publishing complete lists of known genes for website to a new server. As old-timers might recall, cucumber (Cucumis sativus), melon (Cucumis melo), the website was initially established on Tim’s watermelon (Citrullus lanatus), and Cucurbita spp. on personal account at the University of Maryland, then a rotating basis. moved to a server at the National Agricultural It is hoped that scientists will consult these lists as Library (NAL) in Beltsville, MD. When the NAL well as the rules of gene nomenclature for the server operations were closed, Cornell agreed to take Cucurbitaceae before selecting a gene name and over the web-hosting for the plant gene databases as symbol. Thus, inadvertent duplication of gene names well as organizations like CGC. In 2002, Cornell and symbols will be prevented. The rules of gene sadly announced that it would no longer be able to nomenclature (published in each CGC Report) were host these websites, so Tim moved the CGC website adopted in order to provide guidelines for the naming and symbolizing of genes previously reported and to the server for the Division of Research at the those which will be reported in the future. Scientists University of Maryland, where it will reside for the are urged to contact members of the Gene List time being. Committee regarding questions in interpreting the Tim then brought up the issue that www.amazon.com nomenclature rules and in naming and symbolizing was now listing CGC Reports, as well as reports of new genes.
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