Identificação de raças fisiológicas de Uromyces phaseoli var. phaseoli, no estado de Minas Gerais
Palavras-chave:
feijão preto, raças fisiológicas, isolamento monopustular, variedades diferenciadoras, controle químicoResumo
Seventy-two monopustular isolates of Uromyces phaseoli var. phaseoli collected near Viçosa and Ponte Nova, Minas Gerais, Brazil were separated into 26 physiologic races designated FM-1to FM-26. Thesewere all different than the 34 races reported in the United States, the 31 races reported in Mexico and the 4 races previously reported in Brazil.
The differential varieties used appeared to be satisfactory. The HARTER and ZAUMEYER (6) and the DAVISON and VAUGHAN (2) systems of race differentiation were comparedand the suggestion made thatthe DAVISON and VAUGHAN system be adopted for future physiologic race identification.
Referências
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