Efficacy of Selenium on Silkworm (Bombyx mori L.) Cocoon Characters
2006
Smitha, S. (Sri Krishnadevaraya University, Anantapur, India) | Kumar, K. Anil (Sri Krishnadevaraya University, Anantapur, India) | Rao, A. Vijaya Bhaskara (Sri Krishnadevaraya University, Anantapur, India), E-mail: dravbrao@yahoo.co.in
As the Selenium is known to be growth promoter in sheep and cattle, the efficacy of selenium has been tested in silkworm Bombyx mori L. The V instar larvae were fed with lethal and sub-lethal doses of selenium treated leaves. The larvae fed with lethal dose showed a significant decrease in growth and Cocoon commercial characters. The treatment with sub lethal dose exhibited a significant increase in the growth of the silkworm. Correspondingly, the cocoon commercial characters on exposure to the lethal dose showed significant decrease and sub lethal dose showed a significant increase.
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