摘要
本文根据差别分析技术,对安徽省望江县1973~1982的棉红铃虫第二代的虫情与气象资料进行了数量分析,建立了五个判别方程,历史符合率达76.9%。
In this paper, according to technique of discriminatory analysis, author decuced occurrence amount of the secnod generation for the pink bollworn larvae at Wang Jiang, An Hui province. The fitting rate was 76.9%. This new method has been suplied for the mid-term or long-term forecasting of the population denstics of the pink bollorm larvae.
出处
《棉花学报》
CSCD
北大核心
1997年第1期52-54,共3页
Cotton Science
关键词
棉花
棉红铃虫
判别方程
预测预报
pink bollworn larvae discriminatory equation forecasting