黄瓜霜霉病是一种主要依靠气流传播,并再侵染的病害.这种潜育期短、流行性很强的叶部斑病,凡是栽培黄瓜的地区,无论是保护地还是露地,都有发生.以往对黄瓜霜霉病多是采取单一的化学药剂防治,效果不够理想,并且容易产生抗药性.生产实践证明:在黄瓜的整个生长季节里,只有采取综合防治措施,才能有效地控制黄瓜霜霉病 Cucumber downy mildew is a disease that relies mainly on air currents to spread and re-infiltrate.They have a short incubation period and a strong epidemic leaf spot, where cucumber is cultivated, both in protected and open areas Have occurred in the past for cucumber downy mildew is to take a single chemical control, the effect is not ideal, and prone to resistance.Production practice has proved that: in the cucumber throughout the growing season, only to take comprehensive prevention and control measures in order to effectively control Cucumber downy mildew