OAT SNP DEVELOPMENT AND IDENTIFICATION OF LOCI AFFECTING KEY TRAITS IN NORTH AMERICAN OAT GERMPLASM USING ASSOCIATION GENETICS; BYDV TESTING
Small Grains and Potato Germplasm Research
2011 Annual Report
1a.Objectives (from AD-416)
The objective of this research will be to evaluate the oat association mapping population for resistance to barley yellow dwarf virus (BYDV).
1b.Approach (from AD-416)
Hill plots for all 685 oat association mapping lines will be grown in replicated field plots along with spring and winter checks. The hill plots will be inoculated at the appropriate times with virus containing aphids. Plants within hills will be rated for BYDV symptoms at various times and data will be recorded. The data will be upload and checked prior to association analyses.Documents Grant with University of IL-Urbana.
Over the past 48 years world-wide oat production has declined 58%, while production of crops like corn and soybean have drastically increased. Research groups in North America actively working on oat have also declined from 28 (1998) to 11 (2008). The Collaborative Oat Research Enterprise was recently established by the USDA-ARS in Aberdeen, Idaho as an international scientific collaboration to reverse these trends. As part of the project, ARS Aberdeen enlisted the help of the University of Illinois breeding program to evaluate 685 oat lines for Barley Yellow Dwarf Virus (BYDV). Over the last year (2010 – 2011), field evaluations have yielded key information enabling the development of genetic “signpost” for resistance to BYDV. To date, three signpost have been developed and are being used by North American breeding programs as a genetic “GPS” to expedite the development of oat varieties with BYDV resistance. This work will allow target development of high beta glucan lines possible in oat. This work directly relates to objective 1 of the the current ARS Aberdeen project plan (5366-21000-024-00D) “Develop improved barley and oat cultivars meeting the needs of conventional and specialty markets for both dryland and irrigated production systems.” Monitoring of the project is accomplished via site visits, phone conversations, e-mail and written reports.