摘要
对美洲斑潜蝇LiriomyzasativaeBlanchard危害豇豆造成的产量损失及虫情指数进行了分析.结果表明,虫情指数超高,产量损失越多,两者是极显著正相关.虫情指数达8-12时为防治指标.
Investingation and analysis were conducted of the yield ion of the cow harmed by Liriomyza sativae Blanchard, and of the index of insect pest situation. The results showed that the higher the index of insect pest situation was the greater the yield loss the positive interrelation was highly significant, when theindex of insect pest situation came up to 8 - 12, it was the target of the prevention and control.
出处
《河南农业大学学报》
CAS
CSCD
1999年第2期194-197,共4页
Journal of Henan Agricultural University
基金
河南省科委重点资助!71020212
关键词
美洲斑潜蝇
虫情指数
防治指标
Liriomyza sativae Blanchard
insect pest situation index
target of the prevention and control