摘要
分析了稻飞虱发生与气象要过之间相关性，利用逐步判别法对四川省稻飞虱的发生程度进行预报，其预报效果较好。
The relativity of the plant hopper occurrence and meteorological factors is analysed. The degree ofrice occurrence in SiChuan is forecasted using the step- by- step discriminant method. The effect offorecast is proved to be good.
关键词
稻飞虱
相关分析
趋势预报
发生程度
:Plant hopper；Related analysis；Step-by -stepdiscriminantion；Tendency forecast
