History of silk and in part replaced natural silk. Following the crisis in Europe, the modernization of sericulture in Japan made it the world's foremost silk producer. By the early 20th century, rapidly industrializing Japan was producing as much as 60 percent of the world's raw silk, most exports shipping through the port of Yokohama. Italy managed to rebound from the crisis, but France was unable. Urbanization in Europe saw many French and Italian agricultural workers leave silk growing for more lucrative factory work. Raw silk was imported from Japan to fill the void. Asian countries, formerly exporters of raw materials (cocoons and
Pat silk breeding. Wild silk moths are different (having not been selectively bred) from their domestic cousins; they are not commercially viable in the production of silk. In India, the major mulberry silk producing states are Karnataka, Andhra Pradesh, West Bengal, Tamil Nadu and Jammu & Kashmir which together accounts for 92 % of country's total mulberry raw silk production. Karnataka produces 9,000 metric tons of mulberry silk of a total of 14,000 metric tons produced in the country, thus contributing to nearly 70% of the country's total mulberry silk. In Karnataka, silk is mainly grown in the Mysore district. The mulberry