摘要
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。
By using long-accumulated light trap materials short-term forecasting for Orseolia oryzae(Wood_Mason) cauld be done.The trapped numbers on first 3 days from beginning of generation is the mark of the first peak of the generation and the rate this period meet with the rice sensitive growing stage is the index of forecasting 50% or above of the index suggests outbreaks of the pest.
出处
《植保技术与推广》
1997年第5期3-6,共4页
Plant Protection Technology and Extension
