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ARS Home » Research » Research Project #442562

Research Project: Introgression of Aphid Resistance Genes from Ae. Tauschii into Bread Wheat

Location: Peanut and Small Grains Research

Project Number: 3070-21000-009-032-S
Project Type: Non-Assistance Cooperative Agreement

Start Date: Sep 1, 2022
End Date: Aug 31, 2025

Objective:
Identify and introgress genes conferring resistance to greenbug and bird cherry oat aphid into adapted germplasm.

Approach:
Greenbug (GB) and bird cherry oat aphid (BCOA) pose a persistent threat to wheat production in the US. ARS in Stillwater, OK, focuses on characterization and introgression of aphid-resistance genes into adapted germplasm with genomics-assisted selection. Our long-term goal is to breed high-yielding germplasm with good biotic resistances. The cooperator will help ARS scientist to 1) identify novel GB and BCOA resistance sources by screening large set of Ae. tauschii lines and synthetic hexploid wheat lines; 2) characterize GB and BCOA resistance genes with molecular markers; and 3) introgress GB and BCOA resistance genes into elite cultivars with marker-assisted backcrossing.