立枯病是危害辣椒苗期的常见病害,俗称死苗、霉根。该病成株期也可发生,严重时造成成片死苗,给生产造成损失。一、发病症状主要危害中、后期幼苗。开始在幼苗基部产生暗褐色椭圆形凹陷斑,幼苗白天萎蔫,夜晚恢复正常。病情发展后,幼苗茎基部缢缩干枯,夜晚萎蔫,幼苗不能恢复正常,以至茎叶枯死,植株呈直立状死亡。 Blight is a common disease endangering pepper seedling, commonly known as dead seedlings, mold root. The disease may also occur at the plant stage, resulting in serious cases of dead seedlings, resulting in loss of production. First, the main symptoms of the disease in the late seedlings. The seedlings began to produce a dark brown oval depression at the base of the spot, the seedlings wilting during the day and returning to normal at night. After the disease progressed, the stem base of the seedling shrunk to dryness and wilched at night, and the seedlings could not be restored to normal. As a result, the stems and leaves died and the plants died in erect state.