Arkansas Soybean Research Studies 2017 Jeremy Ross University of Arkansas, Fayetteville
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University of Arkansas, Fayetteville ScholarWorks@UARK Research Series Arkansas Agricultural Experiment Station 12-2018 Arkansas Soybean Research Studies 2017 Jeremy Ross University of Arkansas, Fayetteville Follow this and additional works at: https://scholarworks.uark.edu/aaesser Part of the Agricultural Science Commons, Agronomy and Crop Sciences Commons, Botany Commons, and the Horticulture Commons Recommended Citation Ross, Jeremy, "Arkansas Soybean Research Studies 2017" (2018). Research Series. 150. https://scholarworks.uark.edu/aaesser/150 This Report is brought to you for free and open access by the Arkansas Agricultural Experiment Station at ScholarWorks@UARK. It has been accepted for inclusion in Research Series by an authorized administrator of ScholarWorks@UARK. For more information, please contact [email protected], [email protected]. Arkansas SoybeanSoybean ResearchResearch StudiesStudies 20172017 Jeremy Ross, Editor ARKANSAS AGRICULTURAL EXPERIMENT STATION December 2018 Research Series 655 This publication is available on the internet at: http://arkansas-ag-news.uark.edu/research-series.aspx Cover photo: Arkansas soybean nearly overlapping middles. Photo credit: Kevin Lawson, University of Arkansas System Division of Agriculture, Fayetteville, Ark. Layout by Susan Scott; Technical editing and cover design by Gail Halleck. Arkansas Agricultural Experiment Station, University of Arkansas System Division of Agriculture, Fayetteville. Mark J. Cochran, Vice President for Agriculture; Jean-François Meullenet, AAES Director and Associate Vice-President for Agriculture–Research. WWW/CC2018. The University of Arkansas System Division of Agriculture offers all its Extension and Research programs and services without regard to race, color, sex, gender identity, sexual orientation, national origin, religion, age, disability, marital or veteran status, genetic information, or any other legally protected status, and is an Affirmative Action/Equal Opportunity Employer. ISSN: 2381-4926 CODEN: AKAMA6 Preface The 2017 Arkansas Soybean Research Studies Series includes research reports on topics pertaining to soybean across several disciplines form breeding to post-harvest processing. Research reports contained in this publication may represent preliminary or only a single year of results; therefore, these results should not be used as a basis for long-term recommen- dations. Several research reports in this publication will appear in other University of Arkansas System Division of Agriculture’s Arkansas Agricultural Experiment Station publications. This duplication is the result of the overlap in research coverage between disciplines and our effort to inform Arkansas soybean producers of the research being conducted with funds from the Soybean Check-off Program. This publication also contains research funded by industry, federal, and state agencies. Use of products and trade names in any of the research reports does not constitute a guarantee or warranty of the products named and does not signify that these products are approved to the exclusion of comparable products. All authors are either current or former faculty, staff, or students of the University of Arkansas System Division of Agri- culture, or scientists with the United States Department of Agriculture, Agriculture Research Service. Appreciation is extended to the staff at the state and County Extension offices, as well as the research centers and stations; producers and cooperators; and industry personnel who assisted with the planning and execution of the programs. Acknowledgements Most of the research results in this publication were made possible through funding provided by the soybean producers of Arkansas and administered by the Arkansas Soybean Promotion Board. We express sincere appreciation to the soybean producers and the members of the Arkansas Soybean Promotion Board for their vital financial support of these programs. The Arkansas Soybean Promotion Board Rusty Smith Des Arc (Chairman) Donald Morton, Jr. Des Arc (Vice-Chairman) John Freeman Dumas (Secretary/Treasurer) Shannon Davis Bono Glynn Guenther Sherrill Doug Hartz Stuttgart Gary Sitzer Weiner Joe Thrash Conway West Higginbothom Marianna Introduction Arkansas is the leading soybean-producing state in the mid-southern United States. Arkansas ranked 11th in soybean pro- duction in 2017 when compared to the other soybean-producing states in the U.S. The state represents 4.0% of the total U.S. soybean production and 3.9% of the total acres planted in soybean in 2017. The 2017 state soybean average was 51 bushels per acre, a new state record. The top five soybean-producing counties in 2017 were Mississippi, Phillips, Crittenden, Poin- sett, and Arkansas Counties (Table 1). These five counties accounted for 36.1% of soybean production in Arkansas in 2017. Environmental conditions during the 2017 soybean growing season were almost ideal for soybean growth and develop- ment, which is reflected by the new State record soybean yield. The early planting progress was ahead of the 5-year average. Many late-season foliar diseases such as aerial web blight, Cercospora leaf blight, anthracnose, pod and stem blight, Frog- eye leaf spot, and target spot developed late in the season. In addition to late-season disease issues, many fields in the state were treated for several insect pest including corn earworm, other caterpillar species, and stinkbugs. Redbanded stinkbugs were observed in numbers not seen in the State before. Many fields were treated for this pest, with several fields receiving multiple insecticide applications. Some producers reported as much as 20% dockage at elevators due to damage done by Redbanded stinkbugs. Most soybean-producing counties in Arkansas have some level of PPO-resistant Palmer amaranth. Many of these Palmer amaranth populations now have multiple herbicide resistance, and soybean production in these fields is becoming very difficult due to the loss of many herbicides. The 2017 growing season was the first year where the use of dicamba was labeled for over-the-top applications on dicamba tolerant soybean. With this introduction, the Arkansas State Plant Board received over 1000 complaints from individuals with dicamba symptomology on non-dicamba soybean. These complaints accounted for over 900,000 acres of soybean. Due to the unprecedented number of complaints, the Arkansas State Plant Board elected to ban dicamba application staring on July 11, 2017. Table 1. Arkansas soybean acreage, yield, and production by County, 2016-2017a All Planted Harvested Yield Production 2016 2017 2016 2017 2016 2017 2016 2017 County acres acres bu/ac bu/ac Arkansas 163,000 187,300 162,800 186,900 54.4 53.7 8,854,000 10,040,000 Ashley 48,400 61,800 48,400 61,400 58.2 56.8 2,819,000 3,490,000 Chicot 143,800 169,700 143,600 168,900 52.7 51.2 7,573,000 8,647,000 Clay 109,100 120,500 107,600 120,100 46.8 54.8 5,035,000 6,583,000 Craighead 107,700 116,700 105,300 115,700 48.8 53.1 5,136,000 6,147,000 Crittenden 202,900 231,300 202,800 230,700 43.7 52.7 8,872,000 12,165,000 Cross 149,800 170,900 149,600 170,200 47.7 51.1 7,133,000 8,696,000 Desha 143,300 176,300 143,300 176,000 55.7 56.7 7,988,000 9,975,000 Drew 33,300 40,400 33,300 40,200 53.5 54.5 1,781,000 2,190,000 Faulkner 7,300 8,600 7,100 8,000 37.2 42.0 264,000 336,000 Greene 67,300 73,800 66,300 73,600 43.8 51.0 2,906,000 3,755,000 Independence 26,900 32,700 24,300 32,500 38.6 43.4 937,000 1,410,000 Jackson 122,400 147,500 121,000 141,000 39.2 42.2 4,745,000 5,949,000 Jefferson 83,700 118,700 83,600 117,500 52.1 53.1 4,359,000 6,240,000 Lawrence 58,400 60,300 55,500 58,800 35.7 42.0 1,981,000 2,467,000 Lee 137,300 148,500 136,700 147,700 43.5 48.5 5,940,000 7,165,000 Lincoln 62,900 77,300 62,800 76,500 56.3 57.8 3,537,000 4,422,000 Lonoke 106,600 121,900 105,900 121,500 46.3 42.5 4,906,000 5,158,000 Mississippi 273,200 291,500 272,900 290,200 48.9 56.7 13,345,000 16,442,000 Monroe 106,000 119,400 105,500 118,500 43.2 47.2 4,561,000 5,597,000 Phillips 213,500 235,100 211,300 233,400 48.9 52.9 10,325,000 12,340,000 Poinsett 179,600 202,700 179,400 202,400 51.0 55.5 9,153,000 11,240,000 Prairie 99,900 108,000 99,400 107,600 50.0 50.9 4,966,000 5,482,000 Randolph 34,400 39,600 29,900 39,400 38.0 48.2 1,135,000 1,900,000 St. Francis 147,000 156,100 145,000 155,000 44.5 49.7 6,458,000 7,703,000 White 35,000 29,700 33,100 27,000 37.9 42.6 1,254,000 1,150,000 Woodruff 115,500 126,000 114,500 123,500 35.7 44.6 4,085,000 5,512,000 Other Countiesb 40,200 157,700 39,600 155,800 36.7 43.2 1,574,900 6,299,000 State Totals 3,130,000 3,530,000 3,100,000 3,500,000 47.0 51.0 145,700,000 178,500,000 aData obtained from USDA-NASS, 2018. bBenton, Conway, Crawford, Franklin, Lafayette, Logan, Perry, Pope, Pulaski and Yell Counties. Table of Contents Agronomy Physiological Characterization of Soybean Nested Association Mapping (SoyNAM) Population Parental Lines for Yield and Drought Associated Traits A. Mishra, L.C. Purcell, C.A. King, and M.K.