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Asian Journal of Plant Sciences
Year: 2002  |  Volume: 1  |  Issue: 5  |  Page No.: 556 - 557

Effect of Food Supplementation by N and Ascorbic Acid on Larval Mortality of Silkworm (Bombyx mori L.)

Humayun Javed and Mubashir Hussain Gondal    

Abstract: The study was carried out to determine the effect of 0.2 % N in combination with different doses of ascorbic acid (0.025, 0.075, 0.100, 0.125 and 0.150%) on larval growth and silk production of silk worm larvae (Bombyx mori L.). The larvae were fed on mulberry leaves treated with given doses of nitrogen and ascorbic acid throughout the larval period. It was observed that all the growth parameter were influenced by food supplementation. The larvae which were offered mulberry leaves treated with 0.2% N + 0.150% ascorbic acid showed lower mean values of body weight, body length, food consumption, coefficient of utilization and cocoon shell ratio but higher mortality rate.

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