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	Provedor de dados Braz. J. Genet. (1) Autor Barbieri,Rosa Lía (1) Carvalho,Fernando Irajá Félix de (1) Cristaldo,Rosa Maria de Luján Oviedo de (1) Dornelles,Ana Lúcia Cunha (1) Handel,Cristine Luise (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 1997 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Genetics of resistance to the fungus Helminthosporium sativum in wheat: use of culture filtrates in tissue culture Braz. J. Genet. Barbieri,Rosa Lía; Carvalho,Fernando Irajá Félix de; Dornelles,Ana Lúcia Cunha; Cristaldo,Rosa Maria de Luján Oviedo de; Handel,Cristine Luise. Six wheat genotypes and their F1 and F2 generations were exposed to the action of Helminthosporium sativum culture filtrates to examine the genetics of hexaploid wheat resistance. The objective was to improve the efficiency of breeding programs by identifying the action and number of genes involved in the resistance. The varied response of the tested genotypes to the culture filtrates allowed division of the genotypes into four groups: resistant, moderately resistant, moderately susceptible and susceptible. This variability was detected in the progeny, suggesting that the parents have distinct genetic constitutions. Additive gene action predominated and genetic gain was shown to be possible through selection. The genetic control of the resistance trait... Tipo: Info:eu-repo/semantics/article Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84551997000300019 Registros recuperados: 1 Primeira ... 1 ... Última

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