白粉病在瓜類作物上是常見病害
，在3、4月份保護地中的黃瓜發生更為嚴重。

白粉病主要是借氣流和雨水傳播
，適宜發生的溫度15℃~30℃，youqidanggaowenganhanyugaowengaoshijiaotichuxiandetiaojianxia
，yiyinqibaifenbingdaliuxing。suoyiriguangwenshineibeicetongfengkouchuyifashengbaifenbing。yinci，zaiguanliwenshishucaishi，tongfengshibuyaoyicitongfengliangguoda，jibianshishineiwendubijiaogao，yeyaofenercijinxingtongfeng，shiwenduzhubujiangxialai，zheyangjiyouliyuhuangguadeshengchang
，younengjianshaobaifenbingdefasheng。zaiyoutiaojiandedifangkezaipengdingtongfengkouchu，sheyidaoyingfengmo，jijianshaoyintongfengyingxiangzuowudeshengchang，younengmingxianjianshaobaifenbingdefasheng。zaifabingchuqikepenshi78%波·錳鋅（科博）500倍液、或40%福星4000倍液、或10%世高3000倍液、或50%翠貝4000倍液、或5%翠麗1500倍bei液ye，要yao幾ji種zhong農nong藥yao交jiao替ti施shi用yong提ti高gao防fang治zhi效xiao果guo。白bai粉fen病bing主zhu要yao為wei害hai中zhong下xia部bu功gong能neng葉ye片pian
，在zai噴pen藥yao時shi要yao避bi開kai生sheng長chang點dian，正zheng反fan麵mian都dou要yao噴pen嚴yan
，噴pen均jun，也ye可ke以yi與yu葉ye麵mian肥fei混hun合he噴pen施shi。白bai粉fen病bing一yi旦dan發fa病bing要yao及ji時shi噴pen藥yao控kong製zhi發fa展zhan。