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发病茄子植株叶片自叶尖开始向内呈“v”字形扩展,果实发病在小、青果上较多,在萼片下果蒂周围软腐,并长出大量灰绿色煤层。在气温20℃、相对湿度在90％左右时最易发病。 防治方法:1.尽量降低棚内湿度。严冬早春季节地膜下浇水、采收旺季大浇水后注意放风排湿,使地下湿润地表干燥。2.高温变温处理。灰霉病菌在31℃条件下孢子萌发缓慢,至33℃时停止萌发。在灰霉病发病初期,上午可晚通风,棚温升到33℃时开始放顶风,保
Eggplant plant leaves from the tip began to inward “v” shaped expansion, the incidence of fruit in the small, green fruit more, in the sepals around the soft pedicle, and the growth of a large number of gray-green seam. In the temperature 20 ℃, relative humidity of 90% when the most prone to disease. Prevention methods: 1. To minimize the greenhouse humidity. Winter winter early winter submarine watering, harvesting season after the big water pay attention to wind and humidity, make the ground moist surface dry. 2. High temperature change treatment. Botrytis cinerea spores germinated slowly at 31 ° C and stopped at 33 ° C. In the early onset of gray mold disease, morning ventilation may be late, the shed temperature rose to 33 ° C began to put the top wind, Paul