１猝倒病的成因猝倒病又称立枯病，是新播苗木的第一大病害，在苗圃培育的主要树种中，以云杉、落叶松发病最重。引起猝倒病的病菌主要有丝核菌、镰刀菌等，但采用代森锌、敌克松、五氯硝基苯等针对性药物进行治疗时，效果并不理想。而在适宜的温度下，高湿会引发一些病害... The causes of damping off disease Damp down disease, also known as the blight, is the first sowing of new diseases, the main species nursery nursery, spruce, larch incidence most. Damp down caused by the bacteria are Rhizoctonia, Fusarium, etc., but the use of dexmedetomidine, Nisang Song, Pentachlorobenzene and other targeted drugs for treatment, the effect is not satisfactory. And at the right temperature, high humidity can cause some disease ...