闽北小流域双季稻区农业生态系统中主要害虫及其天敌种类与数量结构的动态分析  

Dynamic analysis on the species and population composition of main pests and their natural enemies In double cropping rice area of Agro ecosystem In small watersheds of North Fujian

作　　者：郑元梅[1,2,3] 陈元洪[1,2,3] 李本金[1,2,3] 蒋际清 姜水贞[1,2,3] 黄新 季加明 杨文清 

机构地区：[1]福建省农科院 [2]尤溪县植保植检站 [3]浦城县临江镇农技站

出　　处：《福建农业学报》1998年第S1期148-155,共8页Fujian Journal of Agricultural Sciences

摘　　要：根据闽北小流域双季稻田害虫及天敌种群动态调查结果，分析和比较了稻田蜘蛛等天敌对稻飞虱的控制作用，及使用化学农药对天敌种群数量的影响，为拓宽防治指标、减少用药量，提供科学依据。In double cropping rice fields of small watersheds in north Fujian, the effect of natural enemies,such as field spiders etc, on controlling planthopper has been analysed and compared based on the survey results of population dynamics of pests and their natural enemies, and the effect of chemical control on the natural enemy quantity It provided a scientific basis for enlarging the controlling index,decreasing chemical dosage in field practice

关 键 词：稻飞虱 种群动态 天敌 小流域稻田 

分 类 号：S476[农业科学—农业昆虫与害虫防治] S435.112[农业科学—植物保护]