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The results of transgenic cotton technology
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. According to Dr. Li Fuguang, a researcher at the Cotton Research Institute of the Chinese Academy of Agricultural Sciences, 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. "Transgenic technology system", the gene conversion rate reached 1.73%, 0.13% and 6.6%, respectively; Agrobacterium-mediated transformation cycle from the original 12 to 15 months reduced to 6 to 8 months, the survival rate of transgenic plants by From 30% to 40% to more than 90%, the slow seedling period is shortened from 60 days to 70 days to 10 days. The system has reached an annual capacity of 4000 transgenic cottons, and it has obtained a large number of genetically modified cotton germplasm. material.