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vol.20 número1Genetic control of characters associated with bean golden mosaic geminivirus resistance in Phaseolus vulgaris L.Multivariate genetic divergence and hybrid performance of cacao (Theobroma cacao L.) índice de autoresíndice de materiabúsqueda de artículos
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Brazilian Journal of Genetics

versión impresa ISSN 0100-8455versión On-line ISSN 1678-4502


Inheritance of anthracnose resistance in common bean genotypes P.I. 207262 and AB 136. Braz. J. Genet. [online]. 1997, vol.20, n.1, pp.-. ISSN 0100-8455.

Bean (Phaseolus vulgaris) lines P.I. 207262 and AB 136, both resistant to delta and kappa races of Colletotrichum lindemuthianum, were crossed with Michelite, Dark Red Kidney, and Perry Marrow, susceptible to both races, and with Cornell 49-242, resistant to delta and susceptible to kappa. F1 and F2 reactions demonstrated that P.I. 207262 carries duplicate dominant genes for resistance to the delta race; AB 136 carries a dominant gene. These resistance genes are independent of the Are gene from Cornell 49-242. With respect to the kappa race, F1 and F2 data showed that the resistance controlled by P.I. 207262 and by AB 136 depends on a single dominant gene. Complementary factors were involved with AB 136 resistance to the delta race and with P.I. 207262 resistance to kappa.

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