Effect of the phytochemicals fortification of the mulberry leaf (Bougainvillea spectabilis) on the commercial characteristics of the multivoltine silk worm Bombyx mori Linn
Keywords:
Bougainvillea spectabilis, Silkworm, Fortification, Economic characters, Silkworm diseaseAbstract
Silkworm farming is susceptible to diseases during the summer and necessitates careful attention and upkeep throughout the rearing process. In the tropics, summer is defined by high temperatures, a dry, hot, and dusty atmosphere, and little rainfall. These factors make it difficult to cultivate mulberries and raise silkworms. The silkworms get weaker and more vulnerable to infections and the spread of illness in high temperatures and low humidity. One of the most serious threats to silk cocoon production during the summer is the silkworm disease known as Nuclear Polyhedrosis (Grasserie). Up until the beginning of larval life and of spinning, the fifth instar larva of Bombyx mori (Pure Mysore) were fed on mulberry leaves phytochemicals fortified with 0.1%, 1.0%, 2.0%, and 5.0% leaf extract of Bougainvillea spectabilis (Paper Flower) Labial. Compared to the control, the entire rearing time was shortened with all concentration of Bougainvillea spectabilis (Paper Flower). All concentrations of Bougainvillea spectabilis (Paper Flower) extract and a 2.5% concentration of the same resulted in a notable increase in filament length and silk ratio percentage. However, when compared to control values, the weights of the shell and cocoon dropped. One of the most deadly illnesses that affect silkworms is the Bombyx mori nuclear polyhedrosis virus (BmNPV), which causes grasserie disease and causes massive economic damage to the sericulture industry. Therefore, it is essential to properly treat the illness throughout the summer and minimize the loss of the silk harvest. This study describes the approach, analyzes the findings, and proposes ways to enhance the usefulness of sericulture applications in the future.
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Copyright (c) 2014 Sanjai Kumar Gupta
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