Field Days Bulletin WAES 2016 Agricultural Experiment Station Field Days Bulletin 2016 Wyoming Agricultural Experiment Station University of Wyoming, Dept. 3354 1000 E. University Avenue Laramie, WY 82071-2000 email: [email protected] phone: 307-766-3667 www.uwyo.edu/uwexpstn Research & Extension Centers Laramie R&E Center (LREC) University of Wyoming 1174 Snowy Range Road Laramie, WY 82070 email: [email protected] phone: 307-766-3665 www.uwyo.edu/uwexpstn/centers/laramie Powell R&E Center (PREC) 747 Road 9 Powell, WY 82435-9135 email: [email protected] phone: 307-754-2223 www.uwyo.edu/uwexpstn/centers/powell Seed Certification: 307-754-9815 or 800-923-0080; [email protected] Seed Lab: 307-754-4750; [email protected] James C. Hageman Sustainable Agriculture R&E Center (SAREC) 2753 State Highway 157 Lingle, WY 82223-8543 email: [email protected] phone: 307-837-2000 www.uwyo.edu/uwexpstn/centers/sarec Sheridan R&E Center (ShREC) 3401 Coffeen Avenue Sheridan, WY 82801 email: [email protected] phone: 307-673-2856 www.uwyo.edu/uwexpstn/centers/sheridan All departments mentioned in the Bulletin are at the University of Wyoming unless otherwise indicated. Mention of a proprietary product does not constitute a guarantee or warranty of the product by the Wyoming Agricultural Experiment Station (WAES) or the authors and does not imply its approval to the exclusion of other products that may also be suitable. Persons seeking admission, employment, or access to programs of the University of Wyoming shall be considered without regard to race, color, religion, sex, national origin, disability, age, political belief, veteran status, sexual orientation, and marital or familial status. Persons with disabilities who require alternative means for communi- cation or program information (Braille, large print, audiotape, etc.) should contact their local WAES Research and Extension Center. To file a complaint, write to the UW Employment Practices/Affirmative Action Office, University of Wyoming, Department 3434, 1000 E. University Ave., Laramie, WY 82071. Be aware that due to the dynamic nature of the World Wide Web, internet sources may be difficult to find—addresses change, and pages can disappear over time. If you find problems with any of the listed websites in this publication, please contact WAES at 307-766-3667 or [email protected]. Issued in furtherance of State Agricultural Experiment Station work of the 1887 Hatch Act, as amended through public law 107–293, November 13, 2002, in cooperation with the U.S. Department of Agriculture. Bret Hess, Director, Wyoming Agricultural Experiment Station, University of Wyoming, Laramie, Wyoming 82071. See all the WAES Field Days Bulletins on our website at: www.uwyo.edu/uwexpstn/publications/ Contents Introduction to the Sixth Edition of the Wyoming Agricultural Experiment Station Field Days Bulletin .......................................................................11 — B.W. Hess Laramie Research & Extension Center (LREC). .13 Introduction to the Laramie Research and Extension Center ..............................15 — D. Zalesky Short Reports 1. Does Dalmatian toadflax alter soil microbe communities to the detriment of a native rangeland grass? .........................................................................17 2. Maternal and genetic influences on offspring rumen microbes and performance. .17 3. Molecular mechanisms mediating the effects of maternal obesity on cardiac function and development in fetuses and offspring of obese mothers ...............18 4. Valuation of residual feed intake as a selection tool for northeast Wyoming range sheep producers ...............................................................................18 5. Nitrogen fertilization of dry bean: A search for greater efficiency going forward ..............19 6. All-America Selections’ annual and perennial flowers .......................................19 7. In vitro assessment of effects of dietary forage quality on ruminal bypass of calcium salts of long-chain omega-3 fatty acids for cattle ...............................................20 Rumen Microbes Associated with Response to High-Sulfate Drinking Water in Lambs ......21 —A . Abrams, K.J. Austin, and K.M. Cammack Effect of Soil Nitrogen Rate on Leaf Chlorophyll and Vegetative Growth of Dry Bean .......23 —A . Alhasan and J. Heitholt Effect of Two Nitrogen Levels and Cultivars on Growth Traits of Nine Dry Bean Cultivars in the Field ...............................................................25 —A . Alhasan, A. Piccorelli, and J. Heitholt Alfalfa Growth Forms, Light Capture, and Nitrogen Fixation Interact to Influence Durability of Legume in Meadow Bromegrass Mixtures ...............................27 — D.S. Ashilenje and M.A. Islam Rumen Microbes Associated with Feed Efficiency in Lambs ..............................29 —M .J. Ellison, K.J. Austin, and K.M. Cammack Irrigating Chives in a Greenhouse and Two High Tunnels—Completion Report ..............31 — T. Gergeni and K. Panter Sun Exposure in Growing Pigs Increases the Vitamin D Nutritional Quality of Pork ..........33 —B .C. Ingold, B.M. Alexander, S.R. Fensterseifer, K.J. Austin, P. Wechler, and D.E. Larson-Meyer 2016 Field Days Bulletin | 5 Nuclear Size Regulation by NTF2 in Melanoma Cancer Cells ..............................35 —D .L. Levy, P. Jevtic, L. Vukovic, and K. White Vegetables and Herbs Under High and Low Tunnels .....................................37 —K . Panter, S.A. Dhekney, A. Erickson, C. Hilgert, and J. Heitholt Optimization of a Non-Surgical Artificial Insemination Technique Utilizing Estrous Synchronization and Frozen-Thawed Ram Semen ....................................39 —P .H. Purdy, K. Koepke, and S. Lake Quantitative Variation in the Circadian Clock Affects Plant Performance ...................41 —M . Salmela, K. Greenham, P. Lou, C.R. McClung, B.E. Ewers and C. Weinig Influence of Ewe Breed and Age on Sheep Ked Melophagus( ovinus [L.]) Infestations .......43 — J.D. Scasta and K. Koepke Strategic Sheep Grazing Effects on Yellow Sweetclover Melilotus( officinalis [L.] Lam.) Dominance and Structure . .45 — J.D. Scasta and K. Koepke Myxobacteria as Biocontrol Agents against Crop Pathogens .............................47 — D. Wall Evaluating the Efficacy of Two Imazapic Formulations and Sagebrush Canopy Effects on Cheatgrass Control under Greenhouse Conditions .................................49 —C .W. Wood, B.A. Mealor, and A.R. Kniss Targeted Sheep Grazing for Dalmatian Toadflax and Geyer’s Larkspur Management ........51 — J.M. Workman and B.A. Mealor Powell Research & Extension Center (PREC) ...................................... 53 Introduction to the Powell Research and Extension Center ...............................55 —C . Reynolds, A. Pierson, and B.W. Hess Short Reports 1. MillerCoors variety trial ..........................................................57 2. Intercropping cover crop mix with confection sunflowers ...........................57 3. Impact of cultural and chemical practices on soil-borne pathogens of sugarbeet in the Bighorn Basin ............................................................58 4. Evaluation of goji berry as a high-value fruit crop in Wyoming .....................58 Growth and Pod Traits Correlate with Grain Yield among 50 Dry Bean Cultivars ............59 —J . Heitholt, A. Pierson, C. Reynolds, and A. Piccorelli 2015 Dry Bean Performance Evaluation—Market Class Data Other Than Pinto ..............61 —M . Moore, C. Reynolds, J. Sweet, and A. Pierson 2015 Dry Bean Performance Evaluation—Pinto Bean and Slow-Darkening Pinto Bean .......63 —M . Moore, C. Reynolds, J. Sweet, and A. Pierson 6 | 2016 Field Days Bulletin Effect of Irrigation on Physiological Traits of Corn for Silage Grown under On-Surface Drip-Irrigation System .............................................................65 —A . Nilahyane, M.A. Islam, and A. Garcia y Garcia Quality Response of Irrigated Silage Corn under On-Surface and Sub-Surface Drip Irrigation Systems .................................................................67 —A . Nilahyane, M.A. Islam, and A. Garcia y Garcia 2015 Briess Variety Performance Evaluation .............................................69 —A . Pierson, C. Reynolds, and C. Eberle 2015 Elite Malt Barley Variety Performance Evaluation. 71 —A . Pierson, C. Reynolds, and C. Eberle Broadleaf Weed Control in Barley ......................................................73 —G . Sbatella Effects of Limited Irrigation on Herbicide Efficacy and Herbicide Carryover ................75 —G . Sbatella and A.R. Kniss Intercropping Forage Legumes with Grain Corn for Late-Season Forage Production ........77 —G . Sbatella and C. Reynolds Evaluating Crop Safety of Herbicides Applied Preplant in Sugarbeet ......................79 —G . Sbatella and A.R. Kniss Testing for Suitable Soybean Maturity Group for the Bighorn Basin .......................81 —G . Sbatella and C. Reynolds Weed Control in Dormant Alfalfa ......................................................83 —G . Sbatella Weed Control in Dry Beans ...........................................................85 —G . Sbatella Weed Control in Seedling Alfalfa . .87 —G . Sbatella A Comparison of Foliar-Banded Fungicide Treatments for the Management of Rhizoctonia Root and Crown Rot of Sugarbeet .......................................89 — M. Wallhead and W. Stump James C. Hageman Sustainable Agriculture Research & Extension Center (SAREC) .....91 Introduction to the James C. Hageman Sustainable Agriculture Research and Extension Center