闽北小流域双季稻区主要害虫及其天敌种群动态的调查研究

Investigation on the Population Dynamics of Main Pests and Their Natural Enemies in the Area of double Cropping Rice in Small Watersheds of North Fujian

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,为拓宽防治指标,减少用药量,提供科学依据。

Abstract: 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 in double cropping rice fields of small watersheds in north Fujian.It provided a scientific basis for enlarging controlling index,decreasing chemical dosage in field practice.