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Generation mean analysis for quantitative traits in sesame (Sesamum indicum L.) crosses
Provedor de dados: 74
Autores: Sharmila,Vijayarajan; Ganesh,Siruthaiyur Krishnamoorthy; Gunasekaran,Mahalingam.
To study the nature and magnitude of gene effects for yield and its components in sesame (Sesamum indicum L.) we carried out generation mean analysis using the following four crosses of different sesame cultivars: VS 9510 x Co1; NIC 7907 x TMV 3; Cianno 13/10x VRI 1; and Si 1115/1 x TMV 3. The P1, P2, F1, F2, BC1 and BC2 of these generations were studied for seven quantitative traits. The analysis showed the presence of additive, dominance and epistatic gene interactions. The additive dominance model was adequate for plant height in the NIC 7907 x TMV3 and Si 1115/1x TMV 3 crosses and for capsule length in the VS 9510 x Co1, NIC 7907 x TMV 3 and Si 1115/1 x TMV 3 crosses. An epistatic digenic model was assumed for the remaining crosses. Duplicate-type...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Sesame; Quantitative trait; Scaling tests; Gene effects; Bi-parental mating.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000100015