1.fenghanqinxisuozhi。cileiqingkuangduofashengyuyumiaohefangfengchuqi,yibanxiancongyejiankaishifanjuan,yepianchengjizhaozhuang,yanzhongshiganjiandaibaibian。qizhuyaoyuanyinshifangfengmenglie,zhizhuzhouyudiwenheganzaokongqiqinxisuozhi。fangzhifangfashi:放風時要注意外界氣候條件,采取循序漸進的方式,發現卷葉時立即關閉風口,提高溫度,並及時向植株噴灑溫水,使其自然恢複。
2.感染病毒病所致。病毒病多發於幼苗期和成株期,發病後植株葉片卷曲,皺縮變小,嚴重時成管狀,植株叢生或停止生長。防治方法是:播種前用10%的磷酸三鈉溶液浸種30分鍾;及早滅蚜,消滅傳毒媒介;定植後每7~10天噴施一次病毒A或植病靈進行防治。
3.在番茄開花期如果錯用了植物激素或隨意加大2,4-Ddeshiyongnongdu,huozhezaipenshinongyaoshiwuyongleneiyoucanliuchucaojidepenwuqi,yehuiyinqifanqiejuanye。weilefangzhizheyangdeqingkuangfasheng,yinggenjutianqideqingkuang,helizhangwoshiyongdenongdu。
4.zhengzhizhaixinguozhong,zhizhubaoliuyepianshao,yijifeishuiguoshenghuiyinqiquanzhudabufenyepianshangjuan,yanzhongdejuanchengtongzhuang。youdezaiguoshidepengdaqi,yeyouyepianxiangshangfanjuandexianxiang。fangzhifangfa:合理施肥,適量澆水,適時中耕;及時摘除番茄蔓上萌生的枝,摘早摘小,整枝摘心不能太重,盡量減少創傷麵。
5.茶黃蟎引起的卷葉。茶黃蟎在葉片或幼嫩的器官刺吸汁液,造成植株或果實畸形,葉片變窄,變厚,僵硬或扭曲畸形。防治辦法:清除雜草及落葉。最好做到苗前煙劑熏棚,消滅蟲卵,並搞好藥劑防治。
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