Analysis of Quantitative Characters in Selected Multivoltine Races and Biovoltine Races/Breed of Silkworm Bombyx Mori (Linn.) And Their Hybrids in Different Seasons of the Year.
Abstract
Realizing the importance of tropical environment for the production of quality silk, this study was undertaken to understand the impact of different seasons on mulberry crop and cocoon production. The quantitative characters studied in six multivoltine breeds, pre, npnd, C.nichi, PM and Daizo and four bivoltine breeds, C108, KA, NB4D2 are bivoltine races and CSR2 is an evolved bivoltine breed along with the eight hybrids, PM x C108, PM x KA, PM x NB4D2, PM x CSR2, C108 x PM, KA x PM, NB4D2 x PM and CSR2 x PM, expressed differential expression in all the three seasons viz., pre-monsoon, monsoon and post-monsoon of the year for the traits studied, proved environment along with genetic makeup plays an important role in the manifestation of commercial characters.
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