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hétérosis

International Journal of Tropical Insect Science (1)

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Heterosis observed in the hybrids between some improved multivoltines and bivoltines of Bombyx mori L.
K. G. Banuprakash, R. Govindan, M. C. Devaiah
Journal:

Insect Science and Its Application / Volume 15 / Issue 3 / June 1994

Published online by Cambridge University Press:

19 September 2011, pp. 313-321

Print publication:

June 1994
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Heterobeltiosis (relative to better parental variety) and standard heterosis (relative to standard variety) for 10 larval and cocoon quantitative traits among the hybrids between five multivotine and three bivoltine strains of silkworm, Bombyx mori L., were estimated. The results indicated that the hybrids between multivoltine females and bivoltine males gave higher heterosis than their reciprocals. Variance due to general and specific combining ability and the genetic components were also estimated. The role of gene actions governing the different traits studied is discussed.