摘要
16年观测资料表明,影响禾谷缢管蚜峰期蚜量发生程度的因素有:冬前蚜量基数,年前11月份平均相对湿度,蚜峰期前一个月月平均温度、月总日照时数和月温湿系数。运用模糊综合评判法检验其发生程度,历史符合率达93.8%。1996年试报正确。
It was conducted that the occurrence degree was effected by the following reasons by 16 years observaiton: 1. the initial number of the overwinting aphids; 2. the avenge relative humidity in November of the last year; 3. the average temperature. sum of sunshine time and RH / T value in the month before the aphid Peak Period. The occurrence degree of the aphids Can be tested by the fuzzy synthetic evaluation method and its historical Coincidence was 93.8%. It was tested right in foreasting the occuerence degree of wheat aphids in 1996.
出处
《昆虫知识》
CSCD
1997年第4期198-200,共3页
Entomological Knowledge
关键词
小麦
害虫
禾谷缢管蚜
蚜峰期
影响因素
Rhopalasiphum Padi (L.), aphid Period, occurrence degree