Influence of Volatile (Allium sativum) on the Pupal Traits of Multivoltine Mulberry Silkworm (Bombyx mori Linn.)

The silkworm Bombyx mori rearing is a traditional industry in Asia. B. mori is an important economic insect because it converts leaf protein into silk protein. Present study was carried out to evaluate the effect of volatile (Allium sativum) on the pupal length and pupal duration of B. mori pupae. The change in the volatile exposure duration and the number of larval treatment influenced the pupal duration and pupal length. The pupal length increased with the increasing number of larval treatment 15, 30 and 45 minute exposure. The maximum pupal length (2.25 ± 0.012 cm) was noticed in case of triple treatment with 45 minute exposure and minimum pupal length (1.71 ± 0.087 cm) was recorded in case of triple treatment with 60 minute exposure duration. The minimum pupal duration was recorded to be 8.15 ± 0.479 days, which showed good development of pupae in case triple treatment with 45 minute exposure duration. If volatile applied tactfully in silkworm rearing it may be useful to improve the production of silk and quality of silk on commercial scale.

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