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
Tussar silk state of Jharkhand has emerged as the biggest producer of tussar silk. The tussar silk weaving industry in Bhagalpur, more than a century old, has about 30,000 handloom weavers working on some 25,000 handlooms. The total value of annual trade is around Rs. 100 crores, about half of which comes from exports. The sari is the most important tussar silk product although it is also used as the base material for handicrafts, furnishing fabrics, and stitched apparel. With the introduction of chemical dyes, the range of available colours has increased significantly. There are fashion designers who use tussar silk in