近年来在棚室辣椒栽培中,辣椒植株枯萎死苗现象发生普遍,损失很大。根据分析,辣椒枯萎死苗是由多种病害侵染所致,主要包括枯萎病、疫病、根腐病及青枯病,这些病害发生早、危害重。采取行之有效的综防措施,是保证辣椒丰产优质的关键。 一、病发原因 1.连作致病 大棚种植,往往同种同科蔬菜长期连作,致使土壤中的病菌含量增加,连作时间越长,发病率越高, In recent years in the greenhouse pepper cultivation, the phenomenon of withered dead pepper seedlings occurred generally, a great loss. According to the analysis, chili wilt dead seedlings are caused by a variety of diseases, including fusarium wilt, blight, root rot and bacterial wilt. These diseases occur early and harms seriously. Take an effective comprehensive anti-precautionary measures is to ensure the key to high yield and high quality pepper. First, the cause of the disease 1. Even for the disease-causing greenhouse cultivation, often with the same type of long-term continuous cropping vegetables, resulting in soil bacteria increased, the longer the continuous operation, the higher the incidence,