利用大棚生态环境的可控性,努力创造有利蔬菜生长而不利蔬菜霜霉病发生的生态环境,从而达到防止病害发生,提高果蔬质量和产量的目的。生态防治有利蔬菜的无公害生产,有利提高蔬菜的质量和产量,同时也有利降低生产成本。 The use of greenhouses ecological environment controllability, and strive to create conducive to the growth of vegetables detrimental to vegetables downy mildew occurred ecological environment, so as to prevent the occurrence of diseases, improve the quality of fruits and vegetables and yield purposes. Ecological prevention and control of beneficial pollution-free vegetable production, conducive to improving the quality and yield of vegetables, but also beneficial to reduce production costs.