date:Jul 23, 2013
thstand Phytophthora sojae, which costs growers more than $250 million each year.
Naturally occurring Phytophthora resistance exists in soybean germplasm, but most previously resistant genes have lost their ability to fight off the pathogen because of Phytophthora's developed immunity. The two newly identified genes appear stronger than most earlier genes, and they could remain viable for many more years, said Ma, a soybean geneticist in Purdue's Department of Agronomy.
These two genes demonst