Research Notes : United States : Genotype-race interactions in relation to phytophthora rot of soybean

Date
1987-04-01
Authors
Thomison, P.
Thomas, C.
Kenworthy, W.
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Iowa State University Digital Repository
Abstract

Many of the widely grown soybean cultivars in the Mid-Atlautic region are susceptible to phytophthora rot caused by Phytophthora megasperma f. sp. glycinea Kuan and E?:"Win (Pmg). There is limited information available on tolerance to Pmg in these popular soybean cultivars. Tolerance or field resistance to Pmg in soybean is characterized as race nonspecific resistance involving root resistance to Pmg infection, whereas resistance to Pmg in soybeans is characterized as race specific resistance (Schmitthenner, 1985)

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