西宁地区保护地蔬菜病害调查及防治对策

根据我省特殊的地理环境，要解决人民群众的菜蓝子问题就必须大力发展保护地蔬菜的种植。然而，保护地的高温，高湿及低风速等生态因素给各种病害的发生创造了有利的条件。本文重点阐述了１９９４年２－７月份，我们对西宁市郊８１８个大棚共１３５０亩保护地的蔬菜病害进行的抽样调查。结果共发现病害６０种，其中发病率达２５％以上的有１１种，这些病害不仅影响了保护地蔬菜的产量和品质，而且给蔬菜的生产构成了极大的威肋。文章

Diseases Investigation and Propection of Vegetables in the Protective Ground in Xining Areas

According to the special geographical environments of our province,it is necessary to devote our major efforts to develop the growing of vegtables in protective ground. However, the high humid temperature and the low velocity of wind in it give, rise to favourable conditions for the genesis of plant diseases.This article present an accound of a sampling examination conducted from 1994. 2 to 1994. 7 on the plant diseases coming on the vegetables grown in 818 plastic hutches - altogether 1350 mu. in area-in the suburbs of Xining City. The sampling revealed 60varieties of plant diseases,among which 11 showed an invidence of more than 25 percent. These diseases not only directly influenced the yield and quality of the vegelables,but also posed a big threat to their production. The article also gives an analysis about the factors causing these diseases, and thus leading to some corresponding counter measures against them