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稻瘟病.白叶枯病、褐稻虱是我国南方稻区的主要水稻病虫害,抗性品种的筛选是稳产高产的重要措施.作者通过对1987年南方稻区区试品种的抗性鉴定
Rice blast, bacterial blight, brown planthopper are the main rice pests and diseases in the southern rice area of China, and the screening of resistant varieties is an important measure to ensure stable and high yield.The author analyzed the resistance of the cultivars in southern rice region in 1987