春季,蔬菜苗床往往容易发生倒苗的现象。最主要的原因是猝倒病和立枯病的危害。 猝例病和立枯病是蔬菜(尤其是茄果类和瓜类蔬菜)苗期的主要病害。猝倒病俗称“小脚瘟”一般在幼苗茎基部近地面处危害。发病初期,幼茎基部出现水渍状病斑,接着 Spring, vegetable seedling often prone to the phenomenon of inverted seedlings. The main reason is the damp-catching disease and damping-off disease. Outbreaks of disease and blight are major diseases at the seedling stage of vegetables, especially solanaceous and melon vegetables. Cataplexy disease commonly known as “small foot plague,” generally in seedlings near the base of the base of the damage. Early onset, young stems appear at the base of water-like lesions, then