College of Agriculture and Life Sciences Department of Plant Breeding Developing Breeding Lines with Anthracnose Stalk Rot Resistance from Exotic Maize.

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Presentation transcript:

College of Agriculture and Life Sciences Department of Plant Breeding Developing Breeding Lines with Anthracnose Stalk Rot Resistance from Exotic Maize Germplasm Margaret Smith

College of Agriculture and Life Sciences Department of Plant Breeding Anthracnose Stalk Rot Colletotrichum graminicola (Ces.) G.W. Wils. Increased lodging, reduced yield Best control through resistant varieties

College of Agriculture and Life Sciences Department of Plant Breeding Overall Project Objective Develop temperate-adapted maize inbreds with both anthracnose stalk rot resistance and good yield potential from GEM breeding populations

College of Agriculture and Life Sciences Department of Plant Breeding Selection and Breeding Scheme

College of Agriculture and Life Sciences Department of Plant Breeding Selected Populations 1)FS8B(T):N1802 2)CH04030:S0906 3)AR01150:N0406 4) GOQUEEN:N1603

College of Agriculture and Life Sciences Department of Plant Breeding Means by source population for anthracnose stalk rot ratings, 2001

College of Agriculture and Life Sciences Department of Plant Breeding Yield Data - 2 locations, 2001

College of Agriculture and Life Sciences Department of Plant Breeding Yield Data - 1 location, 2001

College of Agriculture and Life Sciences Department of Plant Breeding Work done in 2002… S6 progenies planted ear-to-row –Greater emphasis on yield performance –Greater tolerance of stalk rot resistance Testcrosses made to: –Previously used public line crosses –Holden’s testers (LH176/LH177, LH198)