Reproductive traits of silkworm (bombyx mori l.) as influenced by feeding of mulberry leaf raised through the concept of organic farming

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International Journal of Development Research

Volume: 
7
Article ID: 
10668
4 pages
Research Article

Reproductive traits of silkworm (bombyx mori l.) as influenced by feeding of mulberry leaf raised through the concept of organic farming

Sudhakara, S. N. and Narayanaswamy, T.K.

Abstract: 

An experiment was conducted on reproductive traits of silkworm as influenced by mulberry leaf through application of different sources of organic manures and inorganic fertilizers. The results indicated that, feeding schedule (FS2) chawki worms fed with S36 leaf and late-age worms fed with M5 leaf and treatment T12 Recommended 20 tonnes of compost + 300: 120: 120 kg N, P and K / ha / year through fertilizer were recorded maximum towards pupal weight (1.10 and 1.17 g), rate of pupation (88.45 and 93.17 %), rate of moth emergence (88.37 and 93.60 %), fecundity (478.46 and 502 eggs/ laying), hatchability (89.98 and 92.32 %) and gravid moth weight (0.684 and 0.718 g) respectively and lowest pupal duration (289.39 and 282.07 hrs) and melting percentage (2.85 and 2.0 %) was recorded. However, in interaction effects, FS2T12 contributed more towards pupal weight (1.20 g), rate of moth emergence (95.07 %), rate of pupation (95.0 %) fecundity (523 Nos) and hatchability (95.59 %). But the pupal duration and melting percentage were lower in S2T12 (279.72 h and 1.0 %)and gravid moth weight (0.777 g) was maximum in FS3T11 (chawki worms fed with M5 leaf and late-age worms fed with S36 leaf with a combination of Bio-fertilizers 10 kg each of Azospirillum + Aspergillus awamori/ha/yr + 20 % recommended N through each of Compost, Green manure, Castor oil cake, vermicompost and fertilizer + remaining P, K through fertilizer.

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