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绵疫病是茄子生产上的主要病害之一,近些年来发病率一般在30%-40%左右,严重的达90%以上,给菜农带来严重的经济损失。通过对蔬菜基地的调查,对其重发原因进行了分析,并提出一些防治对策。重发原因。1、气候因素。在每年的5-7月期间,如果雨日在65天以上,温度在28-30℃,相对湿度在80%以上时,雨后暴晴天气,在高温高湿条件下,十分有利于病菌的生长繁育及传播、蔓延,是造成该病大发生的最重要和最直接的原因。2、连作情况。在蔬菜种植后,因耕地少及重茬连作情况多等原因,菜农有习惯连作的种植法,在没有做好菜地消毒处理的情况下,
Mian Zhuang is one of the main diseases in eggplant production. In recent years, the incidence rate is generally around 30% -40%, and seriously over 90%, causing serious economic losses to vegetable farmers. Through the investigation of the vegetable base, the cause of the recurrence was analyzed and some countermeasures for prevention and control were put forward. Re-send the reason. 1, climate factors. During the annual May-July period, if the rainy day is more than 65 days, the temperature is 28-30 ° C, and the relative humidity is more than 80%, the weather after the rain is very favorable to the germs under high temperature and high humidity Growth and breeding and spread, spread, is the most important and most direct cause of the disease occurred. 2, even for the situation. After planting vegetables, due to a small number of cultivated land and continuous cropping and other reasons, vegetable farmers have the practice of continuous planting method, without doing a good job of vegetable disinfection,