论文部分内容阅读
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。
Based on the investigation of population dynamics of pests and natural enemies in double cropping paddy fields in the northern Fujian watershed, the control effects of natural enemies such as rice fields spiders on planthoppers and the effects of chemical pesticides on the population of natural enemies were analyzed and compared. In order to broaden the control indexes and reduce the dosage Quantity, provide scientific basis.