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南方水稻黑条矮缩病是我国南方稻区重要水稻病毒病。通过研究,验证了60%吡虫啉FS 3.33 g/kg稻种处理能明显促进水稻成苗和生长,拌种14 d后稻株叶鞘中吡虫啉含量0.019 0 mg/kg。60%吡虫啉FS 10 g/kg稻种处理的白背飞虱虫口减退率为69.4%,对南方水稻黑条矮缩病的平均病株防效达73.6%,控虱防矮效果较好。
Southern rice black-streaked dwarf disease is an important rice virus disease in southern China rice area. Through the research, it was verified that 60% imidacloprid FS 3.33 g / kg rice seedling could significantly promote rice seedling growth and imidacloprid content 0.019 0 mg / kg in 14 days after seed dressing. The reduction rate of 69.4% of the white-backed planthoppers treated with 60% imidacloprid FS 10 g / kg was 73.6% of the average diseased plants of black-streaked rice in southern China, and the control effect was better.