Abstract
In this article, we have studied the extent to which the technological performance of mulberry silkworms on the industrial hybrids “Musaffo Tola 1” and “Musaffo Tola 2” changes during the hot summer days and these hybrids retain their potential even in adverse stress conditions. Import varieties of “Jingsong x Hoayou” and “Hoayou x Jingsong” hybrid combinations were selected as control hybrids. This Chinese hybrid is the most imported hybrid in Uzbekistan. The purpose of our experiments is to assess the resistance of domestic and import varieties of hybrids to high temperatures on the basis of technological indicators. Changes in the biological performance of import varieties of and domestic hybrids under stress conditions, in particular, a decrease in the viability of worms, an increase in the percentage of deaf and black cocoons, and changes in technological properties were studied.
Highlights
The demand for high-quality and competitive silk products in the world silk market places high demands on the quality of raw silk and raw silk grown in our country
Special attention is paid to the technological performance of cocoon raw materials
We studied the extent to which the technological performance of mulberry silkworms on the industrial hybrids “Musaffo Tola 1” and “Musaffo Tola 2” changes during the hot summer days, and these hybrids retain their potential even in adverse stress conditions
Summary
The demand for high-quality and competitive silk products in the world silk market places high demands on the quality of raw silk and raw silk grown in our country. Special attention is paid to the technological performance of cocoon raw materials. Because the range and quality of silk products depend mainly on the technological parameters of silk fiber [2, 3]. Technological traits depend primarily on the genotype of the silkworm breed and hybrids being cared for, followed by paratypical factors. In spring, summer and autumn, silk fibers made from cocoons made of silk are very different from each other. In this regard, the extent to which the extremely high summer temperatures affect the silk raw material obtained from local hybrids of silkworms is of particular scientific and practical importance [3, 4]
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