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应用多年稻瘿蚊灯测统计资料进行稻瘿蚊发生程度的短期预报。始盛开始后头3d的诱测数量可作为划分盛发峰期明显世代的标准。盛峰期时段与禾苗易受害生育期的吻合程度可作为预测标准,凡吻合程度超过50%时则达到中等偏重以上发生程度。
The long-term forecast of the degree of occurrence of rice gall midge was conducted using the statistics of rice gall midge. The first three days after the beginning of the Sheng induction number can be used as a clear generation peak Shengfeng standards. The coincidence degree of Shengfeng period with the seedling stage of seedling vulnerability could be used as the predictive criterion. When the anastomosis degree exceeded 50%, the degree of coincidence above middle level was reached.