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苗木猝倒病在我国各地普遍发生,它以危害各种苗木幼苗为主,可导致苗木死亡。症状:种子或幼芽未出土时遭受浸染而腐烂,在幼苗期发
Seedling damping-off disease occurs in all parts of our country, it is mainly to endanger the seedlings of all kinds of seedlings, can lead to the death of seedlings. Symptoms: When the seeds or buds are not unearthed disseminated and decay, hair seedlings