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Soybean Genetics Newsletter

Abstract

In order to breed adaptable varieties, selection is to be based on the above three parameters of adaptability simultaneously, for achieving the de-sired objectives. After understanding the association between these, it is imperative to have information on the gene action or genetic architecture of these three parameters, because in a self-pollinated crop like soybean where end product is homozygous and homogeneous population, selection will be fruitful only if gene action is of additive or additive x additive nature. In the present study, an attempt has been made to infer the genetic control of mean performance (di-productivity), responsiveness and stability with respect to each different group of characters studied, on the basis of segregation pattern observed among 36 F4-derived lines, of the cross Soybean Pb.l x D 60-9647, in relation to their parents.

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