Creation of heat-resistant, high-product breeds and hybrids of mulberry silkworm (<i>Bombyx mori l</i>.)

In the current era of highly developed science, technology and technology, demand for natural fabrics is increasing year by in world market, silk industry science are led to cultivation mulberry varieties with high nutritional value creation breeds hybrids suitable different seasons changing external environment. recent years, Republic Uzbekistan, practice rearing silkworms several times a has been used. However, there no hot summer conditions our country, based on this, scientific research started direction creating heat-resistant at Silk Research Institute. this article, results breeding 6 4 industrial silkworm under described. Based preliminary data, Line 1 2 systems were found have embryonic post-embryonic viability conditions. average cocoon weight these was 1.68-1.73 g, shell 339 mg, silkiness 19.6-20.2%. obtained results, it concluded that can be used as initial selection material heat resistant breeds.