河北北部二代粘虫发生的预测  

Genesis Forecasting of the Second Generation of Armyworm in North Hebei

作　　者：郭金霞[1] 赵文臣[1] 李建成[1] 石少亭 刘庆义 

机构地区：[1]河北省农林科学院植保所,071000 [2]丰南县植保站

出　　处：《河北农业大学学报》1993年第3期85-88,共4页Journal of Hebei Agricultural University

摘　　要：根据丰南县1981～1990年粘虫田间发生的调查资料,经回报检验,10a 粘虫发生情况的回报准确率均为90%,明显高于经验预报,而且能在粘虫实际发生前1个月做出定量预报,具有较好的实用价值。Based on the field investigation data of armyworm in HebeiFengnan from 1981 to 1990,We established the regression equations forpredicting the genesis of armyworm,which had an accuracy of 90%,sign-ifitantly higher than that obtained by“guess by experience”.Moreover,byusing the equations a quantative prediction could be made one month a headof the real genesis of the armyworm.The results of this study proved theequations useful and practicable.

关 键 词：粘虫 预测 河北北部 

分 类 号：S433.4[农业科学—农业昆虫与害虫防治]