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Reference Report for reni_ref3
Title:Genetic resistance to reniform nematodes in soybeans
Authors:Harville, B.G., Green, A., Birchfield, W.
Source:Plant Dis. 1985, 69(7):587-589
Abstract:A study was conducted to determine the number of genes by which four soybean (G. max) cultivars differ for resistance to the reniform nematode Rotylenchulus reniformis. The cultivars Davis, Bragg, Dare and Pickett 71 are classified as susceptible, moderately susceptible, moderately resistant and resistant, respectively. Four F1 soybean populations had mean egg mass ratings that did not differ from those of their respective susceptible parents. Resistance to the reniform nematode in soybeans is concluded to be quantitative in nature and controlled by 2 pairs of genes with unequal effects. The proposed genotypes of the 4 parental cultivars were 'Davis' Rn1Rn1Rn2Rn2 'Bragg' Rn1Rn1rn2rn2, 'Dare' rn1rn1 Rn2Rn2 and 'Pickett' 71rn1rn1rn2rn2.






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