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| Silva,Marcia Flores da; Schuster,Ivan; Silva,João Flávio Veloso da; Ferreira,Adésio; Barros,Everaldo Gonçalves de; Moreira,Maurilio Alves. |
| The objective of this work was to validate microsatellite markers associated with resistance to soybean cyst nematode (Heterodera glycines Ichinohe) races 3 and 14, in soybean (Glycine max L.) genotypes, for use in marker-assisted selection (MAS) programs. Microsatellites of soybean linkage groups A2, D2 and G were tested in two populations, and their selection efficiencies were determined. The populations were 65 F2:3 families from Msoy8001 (resistant) x Conquista (susceptible) cross, and 66 F2:3 families of S5995 (resistant) x Renascença (susceptible) cross, evaluated for resistance to races 3 and 14, respectively. Families with female index up to 30% were considered moderately resistant. Markers of A2 and G linkage groups were associated with resistance... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glycine max; Heterodera glycines; Soybean breeding; SCN; SSR; MAS. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2007000800011 |
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| Matsuo,Éder; Sediyama,Tuneo; Oliveira,Rosângela D'Arc de Lima; Cruz,Cosme Damião; Oliveira,Rita de Cássia Teixeira. |
| The development of soybean cyst nematode, Heterodera glycines Ichinohe, resistant genotypes with high yields has been one of the objectives of soybean (Glycine max (L.) Merrill) breeding programs. The objective of this study was to characterize the pathotype of soybean cyst nematodes and analyze the genetic diversity of ten differentiator lines ('Lee 74', Peking, Pickett, PI 88788, PI 90763, PI 437654, PI 209332, PI 89772, PI 548316 and 'Hartwig'). Inoculum was obtained from plants cultivated in field soil in Viçosa, state of Minas Gerais, Brazil. Thirty-four days after inoculating each plant with 4,000 eggs, the number of females, female index, total number of eggs, number of eggs per female, reproduction factor, plant height, number of nodes, fresh and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glycine max; Heterodera glycines; Soybean breeding; Resistant cultivars. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162012000200010 |
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