Characterization of the resistance locus to angular leaf spot in the common bean access ‘japonês’
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Membros da banca
Resumo
The angular leaf spot caused by the fungus Pseudocercospora griseola (Sacc.) Crous & U. Braun, is a major diseases that causes large losses to common bean producers. The allelism test is commonly used to determine whether various phenotypes of a given character, observed in a population of individuals, by participation of a number of alleles or genetic interaction. This test consists of crossing the individuals with the many phenotypes, two by two, in all possible combinations and study the phenotypic segregation in
offspring. If a different monogenic inheritance is found, there is a case of gene interaction and not multiple allelic. Thus, this study aimed to characterize the R loci for resistance to angular leaf spot, present in 'Japanese' creole acess, in relation to the five other related sources.
Abstract
Assunto
Feijão, Fitopatologia, Plantas - Melhoramento genético