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春chun季ji溫wen度du回hui升sheng,棚peng內nei溫wen度du較jiao高gao,水shui分fen蒸zheng發fa量liang大da,易yi造zao成cheng棚peng內nei相xiang對dui濕shi度du大da,褐he斑ban病bing發fa展zhan迅xun速su。管guan理li上shang應ying加jia大da通tong風feng量liang,降jiang低di棚peng內nei空kong氣qi濕shi度du,控kong製zhi病bing害hai發fa展zhan。及ji時shi疏shu除chu植zhi株zhu下xia部bu的de老lao葉ye和he病bing葉ye,減jian少shao傳chuan染ran源yuan,控kong製zhi病bing菌jun傳chuan播bo。晴qing天tian澆jiao水shui後hou可ke以yi閉bi棚peng增zeng溫wen,將jiang棚peng溫wen升sheng高gao到dao40-45℃,並持續1-2小時,利用高溫殺滅棚內的病菌。通過調控環境,再結合用70%甲基硫菌靈可濕性粉劑(700倍液)加百泰60%唑醚·代森聯水分散粒劑(1500倍液)噴霧,就能取得較好的防治效果。
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