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1 产生的原因 1 1 不良的环境条件，如光照不足、持续低温、湿度过大和某些病虫害的发生。 1 2 不良的栽培条件，如密度过大、通风量小、营养不良等。 2 防治方法 在栽培上除了控制适宜的环境条件外，还要采取激素处理的方法进行防治。 2 1 在茄子开花的当天上午，配制
1 causes 1 1 adverse environmental conditions, such as insufficient light, sustained low temperature, excessive humidity and the occurrence of some pests and diseases. 1.2 Poor cultivation conditions, such as excessive density, low ventilation, malnutrition and so on. 2 control methods In addition to controlling the cultivation of suitable environmental conditions, but also to take hormone treatment methods for prevention and treatment. 2.1 In the morning of the flowering eggplant, preparation