首页 | 本学科首页   官方微博 | 高级检索  
     检索      

赣北棉铃虫发生量的长期预测研究
引用本文:黄荣华,汤建国.赣北棉铃虫发生量的长期预测研究[J].江西农业学报,1996,8(1):59-62.
作者姓名:黄荣华  汤建国
作者单位:[1]江西省农业科学院植物保护研究所 [2]江西省彭泽县植保站
摘    要:以高空气象和地面气象因子为预测因子,以江西省彭泽县棉铃虫全年累计百株卵、幼虫量为预报对象,运用逐步回归分析方法,建立了两个长期预测模式型。两个模式型的预报时效分别为6个月和10个月,历史符合率分别为100%和91.67%,1994~1995年的预报准确率平均为75%。

关 键 词:棉铃虫  发生量  长期预测  高空气象  地面气象

Study on the Long一Term Forecast of Heliothis armigera Occurrence in North Jiangxi
Abstract:With high-altitute and ground meteorological factors taken as forecast factors,annual total of egg and larvae of Helioth is amergera occurring per 10 plants in Pengze county,Jiangxi province as forecast objects, two long一term forecast models were established by stepwiseregression analysis method,and verified as valid in their six一and ten一month forecast,with ahistorical coincident rate of 100 % and 91. 67%,respectively.The average forecast accuracy dur-ing l994~1995 was 75%.
Keywords:Heliothis armigera  Occurrence  Long 一term forecast  High一altitude meteo-rology  Ground meteorology
本文献已被 维普 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号