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立枯病又称幼苗猝倒病,在我国各地苗圃中均有发生,为害严重。其主要为害松、落叶松、杉等针叶树幼苗,在短期内引起苗木大量死亡。苗木得病后,倒而枯死者称猝倒病,死而不倒者称立枯病。根据幼苗立枯病的发生规律,应采取如下以育苗技术为主的综合防治:1、选用圃地:推广山地育苗是预防猝倒病的有效方法,因为新垦山地中病菌少,苗木很少生病。
Blight also known as seedling damping-off disease, nurseries all over our country have occurred, serious damage. Its main pine, larch, cedar and other conifer seedlings, seedlings caused a large number of deaths in the short term. After the seedlings get sick, pour and dead said that damping off disease, dead and not down, said the damping off. Seedling blight according to the law, should take the following nurturing technology-based integrated control: 1, selection of nursery: to promote mountain nursery is an effective method to prevent damping-off disease, because the reclamation of mountain pathogenic bacteria less seedlings sick.