Studies of the biology and economic traits of mulberry (Bombyx mori L.) double csr hybrids on different mulberry variety
2021
The experiment was conducted at Sericulture Research Unit, V.N.M.K.V, Parbhani, during 2019–20 laid in Randomized Block Design with eight treatments, replicated thrice. The eight improved mulberry varieties i.e. Kanva-2, V-1, S-13, S-36, BER-779, G- 2, G-4, BER-776 were introduced at sericulture research unit, VNMKV, Parbhani, Maharastra During the study it was observed that highest hatching percentage of hybrid for variety BER-776 (97.18 per cent), G-2 (96.95 per cent), minimum larval duration observed for hybrid larvae which fed on variety G-4 (21.66 days), highest fecundity observed for hybrid fed on variety BER-776 (531.12 eggs), highest 10 mature weight observed for larvae feed on variety G-4 (39.887 g), the double hybrid larvae fed on variety BER-776 shown the lowest pupal duration (09.58 days), the double hybrid fed on variety V-1 shown highest cocoon weight (1.295 g), the double hybrid fed on variety V-1 shown the highest shell weight (0.291 g), highest shell ratio observed for hybrids fed on varieties S-36 and G-4 (22.85 per cent) and (22.43 per cent), highest filament length observed for variety V-1 (993.33 m), highest filament weight of V-1 (0.340 g), highest denier of V-1 (3.11 per cent), higher cocoon yield S-36 (17.436 kg), highest ERR of variety G-2 (94.47 per cent), moth emergence V-1 (96.53 per cent), G-4 (95.70 Per cent) compare to other varieties.
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