摘要
对武汉地区梨园天敌优势种群消长动态及影响因子的系统观察和调查表明,捕食性瓢虫类发生高峰期为6月上旬至中旬,塔六点蓟马6月中旬,食虫蝽类6月中旬至下旬,青翅隐翅虫6月中旬,草蛉类6月中旬至7月中旬,捕食性蜘蛛类6月中旬至7月下旬。农药、不同的间作作物、气候条件是影响天敌种群及其发生量的主要因子。
The dynamics of the predatory enemies population in the Pear field and its effect factors were studied. Results showed that in the non exotic disturbing factor environment,the emergence peak period of predacious ladybirds,tower six-drop thrips, predacious bugs,Paederus fuscipes ,lacewings, spiders were from the 1st ten days to the 2nd ten days of June, the 2nd ten days of June,from the 2nd tendays to the end of June the 2nd ten days of June from 2nd ten days of June to 2nd ten days of July,from 2nd ten days of June to 3rd ten days of July, respectively. Pesticides,crops in the pear field and the climate were the main factors which effected the natural enemy population and its population.
出处
《湖北农业科学》
北大核心
2007年第4期565-567,共3页
Hubei Agricultural Sciences
基金
湖北省科技厅重点攻关项目(2006AA201B09)
关键词
捕食性天敌
消长动态
影响因子
predatory natural enemy
dynamics
effect factors
