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The project has been listed as a major science and technology project funded by 13.5 million yuan in the "transformation of cotton genes and the cultivation and industrialization of new varieties of high-quality stress-tolerant genes." After many years of research and development, important achievements have been obtained, and the domestically produced transgenic cotton has been accumulatively promoted. More than 1100 acres, with direct economic benefits of 2.145 billion yuan. The project, led by the Cotton Research Institute of the Chinese Academy of Agricultural Sciences, won the first prize for scientific and technological progress in Henan Province earlier this month. According to Dr. Li Fuguang, a researcher at the Institute of Cotton Research, the biggest innovation of this project is the use of the advantages of complementary integration of Agrobacterium-mediated method, pollen tube channel method, and particle gun bombardment method. It has established an exclusive "cotton scale transgenic technology system" in China. The gene conversion rates were 1.73%, 0.13%, and 6.6%, respectively; the Agrobacterium-mediated transformation cycle was shortened from 12-15 months to 6-8 months, and the survival rate of transgenic plants increased from 30-40% to 90. More than %, the seedling period is shortened from 60-70 days to about 10 days. The system has reached an annual capacity of 4000 transgenic cottons, and has obtained a large number of new transgenic germplasm materials. Dr. Li Fuguang also told reporters on the Internet on November 17 that their technology has effectively expanded the range of genotypes that use China's self-breeding cotton varieties as recipients, and at the same time replaced high-quality cotton "Zhongmian 24" in domestic and overseas. The U.S. varieties "Swampy Cotton 201" and "Swiss Cotton 312" were adopted and developed into model GM varieties.