云南高原苹果园昆虫群落种类组成特点

Apple Orchards Insect Communities Species Compose in Yunnan Tableland Area

根据 1992～ 1995年云南高原苹果园昆虫群落调查研究结果 ,结合苹果分布情况分析了 3个主要苹果种植区昆虫群落种类组成的特点。滇中苹果区果园昆虫群落最丰富 ,害虫种类组成最复杂 ,害虫天敌资源丰富 ;滇西北苹果区果园昆虫群落次之 ,主要危害种类与其它区不同 ;滇东北苹果区果园昆虫群落不如上述两区丰富 ,以叶、芽害虫为主 ,果实害虫和蛀干害虫相对危害轻 ,R类害虫多 ,K类害虫少。

According to the result of investigation of apple orchards insect communities in Yunnan province from 1992 to 1995 Combining apple plant distribution, it is analysed that characteristic of insect communities in the three main apple growing areas of Yunnan province In the middle of Yunnan, the apple orchards are the richest in insect communities, the most complicated in pest species and the richest in natural enemies of pests In the northwest of Yunnan ,the apple orchards are the second rich in insect communities But in the northwest of Yunnan , the pest species are different from those in other areas In the apple orchards of northeast of Yunnan, insect communities are not so rich as the middle and the northwest of Yunnan The main pests are leave pests and sprout pests Fruit pests and stem pests are less serious R pests are the most K pests are fewer