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作者针对培矮 6 4S制种稻粒黑粉病发生的原因 ,通过选择扬花期、实施健身栽培、足量喷施“92 0”、适时喷药及时收割等措施 ,开展综合防治 ,取得满意的效果
Aiming at the reason of Pei’ai 4 4S seed-producing rice powdery mildew, the author carried out comprehensive prevention and treatment by selecting flowering stage, carrying out fitness cultivation, spraying “92 0” adequately, timely spraying and timely harvesting, and obtained satisfactory effect