摘要
对陕西不同地区苹果园天敌昆虫进行了调查研究,结果获得天敌昆虫17种,隶属于8目11科。天敌昆虫在陕西不同地区的苹果园的分布存在一定的差异。随着苹果园海拔高度的升高,果园天敌昆虫的种群及数量分布有逐渐减低的趋势。天敌昆虫的分布不仅与自然地理条件、植被等因素直接有关,而且与管理等人为影响有较大的关系。
Resources of natural enemies of insect pests in apple orchard were systemally studied in apple orchards in Shanxi province. The results showed that there were 17 species of natural enemies of insect pests, and the distributions of natural enemies of insect pests were different from the apple orchards in different altitude. It was a tendency of decrease to their population and number distribution when the altitude increased. The distributions of them related to factors including geography, vegetation and men＇s intervenetion.
出处
《昆虫天敌》
CSCD
2007年第4期155-159,共5页
Natural Enemies of Insects
基金
陕西省攻关计划(98K05-G1-03)
陕西省科学院资助项目(98F-8)
关键词
陕西
苹果园
天敌昆虫
分布
差异性
Shanxi
apple orchard
natural enemies of insect pests
distribution
difference
