1、溫度原因如果溫度過高（高於35℃），會hui因yin花hua器qi發fa育yu不bu全quan或huo柱zhu頭tou幹gan枯ku導dao致zhi授shou粉fen受shou精jing不bu良liang而er落luo花hua落luo果guo。此ci外wai，夏xia天tian夜ye溫wen高gao，植zhi株zhu容rong易yi徒tu長chang，營ying養yang生sheng長chang過guo旺wang會hui造zao成cheng落luo花hua落luo果guo。白bai天tian可ke以yi采cai取qu潑po泥ni漿jiang等deng方fang式shi降jiang低di棚peng內nei溫wen度du
，夜ye間jian敞chang大da通tong風feng口kou降jiang低di夜ye溫wen。花hua期qi溫wen度du控kong製zhi以yi白bai天tian20～27℃，夜間15～20℃為宜。

    2
、yingyangyuanyintianjiaoshengchangxuyaochongzudeguanghechanwuhefeishui。turangganhan，shuifenbuzu，huiyizhizhizhuduifeishuidexishou
，yinqiluohualuoguo。ershuifenguoduo，turangtongtouxingbiancha，shigenxihuxiheshengchangfayushouzu，shenzhiougen，yehuiyinqiluohualuoguo。baochiturangjianganjianshizuihao。ciwai
，shiyongfeiliaoyaoyangfenquanmian
，yaodanlinjiapeiheshi，danfeiguoduohuobuzuhuoquelinshaojia，huiyinqiyangfenbuzuhuoyingyangshitiaoyinqiluohualuoguo。tebieyaotixingdeshi：甜椒進入結果期後
，需鉀量迅速增高，約是氮的二倍左右，因此結果期一定要重視鉀肥的使用。

    3、bingchongweihaijiyaohaiyuanyinbingdubingshiyuexiatianjiaodetouhaoshashou，ganranbingdubinghou，changchuxianzhizhuweisuohuosidingxianxiang，zaochengluohualuoguo。zhenduizhezhongqingkuang，yingshouxianxiaomiechuanranbingdubingdechongyuan
，keyongbichonglin、一遍淨等防治

，也可結合噴灑病毒A、寧南黴素等。此外，夏季氣溫高，藥劑使用濃度應該相應低一些，以免造成藥害。