This year, breakthroughs were made in cotton breeding in Shandong. The 11 transgenic cottons cultivated by the Cotton Research Center of Shandong Academy of Agricultural Sciences passed national and provincial certifications, and the number of certifications was the highest in the country. The Cotton Research Center of Shandong Academy of Agricultural Sciences is also the Shandong Branch of the National Cotton Improvement Center. According to the deputy director of the center Li Shuzhong, among the 11 approved varieties, 7 new varieties have passed national examination and approval. They are Lumianyan 15, 16, 19, 20, 21, 24, and 25 respectively, accounting for the national cotton certification this year. 35% of the total number; In addition, 8 new varieties of Lu Mianyan Nos. 17, 18, 19, 20, 21, 22, 23 and 25 passed the examination and approval of Shandong Province. According to reports, the new varieties of Lumianyan 15, 16, 17 and 18, which passed Shandong's validation or completion of the regional trial program, have been widely promoted in Shandong and neighboring provinces, creating many high-yield models. Among them, Lu Mianyan 15 last year in Yancheng, Jiangsu Province's 73 acres of high-yield demonstration field average production of 161.5 kilograms of lint, 5.3 acres of high-yield tectonic research yield 175.4 kg of lint, creating China's record high yield of insect-resistant hybrid cotton. Experts believe that the breeding of these 11 different types of transgenic insect-resistant cotton varieties has enabled the matching of different types of transgenic insect-resistant cotton varieties, which can meet the needs of different planting methods in Shandong and even in the Huanghe-Huaihe River basin, reaching the domestic leading level.
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