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Soybean Resistance to Field Populations of Heterodera glycines in Selected Geographic Areas

J. Faghihi, P. A. Donald, G. Noel, T. W. Welacky, and V. R. Ferris

April 2010


There has been considerable success in managing the predominant soybean cyst nematode (SCN), (Heterodera glycines) "race 3," with cultivar resistance derived mostly from PI 88788. Goals of this research were to: (i) determine the current effectiveness of PI 88788 as a source of resistance to H. glycines in Tennessee and Indiana/Illinois, USA, and Ontario, Canada; and (ii) determine the reaction to other sources of H. glycines resistance in areas where resistance derived from PI 88788 may not be effective.


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