大棚黄瓜病虫害无公害防治技术大棚黄瓜农药化防，成本高，污染重。为此，我们连续几年进行无污染防病研究，现已初见成效。主要措施：一、农业措施。（１）选用抗病品种。目前生产上较抗病的品种有长春密刺、８７－１Ａ和鲁黄瓜４号等。（２）培育无病壮苗。精选无病种子... Greenhouse cucumber pests and diseases pollution prevention and control technology greenhouse cucumber pesticide prevention and control, high cost, heavy pollution. For this reason, we have conducted pollution-free disease prevention research for several years in a row and have achieved initial success. The main measures: First, agricultural measures. (1) Selection of disease-resistant varieties. The current production of more resistant varieties are Changchun sting, 87-1A and Lu Cucumber 4 and so on. (2) Cultivate disease-free strong seedlings. Featured disease-free seeds ...