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在长江中下游地区,通常每年六月中旬到七月上旬前后梅雨季节,持续连绵的阴雨、温高湿大,容易导致某些病虫害暴发,给蔬菜生产造成较大损失。空心菜主要病虫害有白锈病、轮纹病、叶斑病、甘薯麦蛾、蜗牛。空心菜白锈病梅雨或台风雨频繁季节应抓住雨后或抢晴天施药,可选用65%代森锰锌可湿性粉剂500倍液,或58%甲霜灵·锰锌可湿性粉剂500倍液、72.2%霜霉威水剂800倍液、72%霜
In the middle and lower reaches of the Yangtze River, rainy season, rainy days, and high temperature, humidity and humidity usually occur from mid-June to early July of each year during the rainy season. These diseases and pests can easily lead to outbreaks of pests and diseases and cause great losses to vegetable production. The main pests and diseases of the convolvulus are white rust, ring rot, leaf spot, sweet potato moth, snail. White spinach white rusty rain or typhoon rainy season should seize the rain or grab sunny days, the choice of 65% WP 500 times, or 58% metalaxyl, manganese and zinc WP 500 times , 72.2% cream mold agent 800 times liquid, 72% cream