人参非侵染性根病主要有冻害、主根开裂、烧须及红皮病。1.症状冻害:冻害多在出苗期显现症状,被害参株不能出苗。受害轻时,过冬芽和根茎变色萎蔫,重者主根脱水软化,随后腐烂。主根开裂:秋冬季节参根吸水多,早春参根失水,易使主根开裂。烧须:人参的吸收根受害枯死, Ginseng non-invasive root disease are mainly frozen damage, the main root cracking, burning whisker and erythroderma. 1. Symptoms frost damage: frost damage and more symptoms appear in the emergence of seedlings can not be killed. Victims of light, over winter buds and rhizomes discoloration wilting, severe dehydration of the main root softening, followed by decay. Main root cracking: ginseng root more water in autumn and winter, early spring ginseng root loss of water, easy to make the main root cracking. Burned to be: ginseng root absorption damage,