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Genetic control of the angular leaf spot reaction in common bean leaves and pods Scientia Agricola
Borel,Jerônimo Constantino; Ramalho,Magno Antonio Patto; Abreu,Ângela de Fátima Barbosa; Maia,Lucas Gontijo Silva.
Information about genetic control of plant reaction to pathogens is essential in plant breeding programs focusing resistance. This study aimed to obtain information about genetic control of the angular leaf spot reaction in leaves and pods from common bean (Phaseolus vulgaris L.) line ESAL 686. This line was crossed with cultivars Jalo EEP 558 (resistant), Cornell 49-242 (resistant) and Carioca MG (susceptible). Generations F1, F2 and backcrosses (BC11 and BC21) were obtained. In the dry season (2009), parents and respective populations were evaluated for angular leaf spot reaction under field conditions. Disease severity was evaluated on leaves and pods using diagrammatic scales. Severity scores were obtained and mean and variance genetic components were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pseudocercospora griseola; Plant disease resistance; Plant breeding; Genetic control.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162011000600009
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