Wednesday, 9 November 2005 - 4:00 PM
247-8
Introgression of Tropical Germplasm to Reduce the Damage of Ear-Feeding Pests and Develop Products for Organic Corn Production.
Wenwei Xu1, Gary Odvody1, W. Paul Williams2, Patrick Porter3, and Greg Cronholm4. (1) Texas A&M University, Agricultural Research and Extension Center, Route 3, Box 219, Lubbock, TX 79403, (2) USDA-ARS Corn Host Plant Resistance Research Unit, 340 Dorman Hall, Mississippi State, MS 39762, (3) Agricultural Research and Extension Center, Texas A&M University, Route 3, Box 219, Lubbock, TX 79403, (4) Texas Cooperative Extension, 122 East 6th Street, Plainview, TX 79072
Drought, corn earworm, and mycotoxins (aflatoxin and fumonisins) cause significant yield reduction and economic loss to corn producers. The corn-breeding program at the TAES-Lubbock Center has been developing drought tolerant and corn earworm (CEW)-resistant germplasm (lines and hybrids) by introgressing tropical germplasm. Our non-transgenic experimental hybrids had significantly lower CEW damage under heavy natural infestation, lower aflatoxin and similar yield when compared to commercial hybrids. These multiple-stress tolerant hybrids are non-transgenic, have yellow or white kernels. They have a great potential for organic corn production.
Back to Symposium--Organic Seed Production and Breeding for Organic Production Systems
Back to C04 Seed Physiology, Production & Technology
Back to The ASA-CSSA-SSSA International Annual Meetings (November 6-10, 2005)