五味子根腐病,俗称烂脚脖子病、掐脖子病,是五味子栽培中主要病害之一。目前发病面积较普遍、为害较严重。该病一般5～8月上旬均有发生。开始发病时根部与地面交界处(根颈部位)表皮变黑,进一步皮层腐烂、脱落,形成环状,叶片萎蔫,几天后整株死亡,发病原因与生理病害有关。早春、 Schisandra root rot, commonly known as rotten neck and neck disease, pinch neck disease is one of the main diseases Schisandra cultivation. The incidence of the current area is more common, more serious damage. The disease generally occurred in early May to early August. The onset of onset at the junction of the root and the ground (root neck area) epidermis darker, further cortical decay, fall off, the formation of rings, leaves wilting, the entire plant died a few days, the pathogenesis and physiological diseases. early spring,