這種現象屬於徒長苗,是由於夜溫過高、光照不足、turangshuifenguoduodengyuanyinzaochengde,tebieshiqiujizhongzhi,zaixiaqiujijieyumiao,yejianwenduguogao,youkenengchuxianyangmiaojiejianshenchang,fashengtuchangxianxiang,zaochengmiaogaoda30—40厘米,定植時不易搬運並易倒伏、折斷。更重要的是影響花芽分化,很難達到果大、穗多、產量高的目的。在早春育苗,有些品種強調在花芽分化與發育期間溫度不要太低。早春育苗預防徒長的辦法是:適當控製水分,或通過挖斷根來達到控水目的。地床分苗應早挖坨,定期倒坨,逐漸挪稀;容器分苗應通過調整大小苗位置、挪稀等,調整時必然斷根,使根係限在土坨或容器內,以達到控製苗的徒長。通過栽培措施來調節溫度、水分、肥料等,尤其是夜間溫度不要過高,一般在15℃左zuo右you比bi較jiao適shi宜yi,以yi達da到dao控kong製zhi幼you苗miao生sheng長chang或huo植zhi株zhu健jian壯zhuang的de目mu的de。還hai應ying根gen據ju不bu同tong栽zai培pei季ji節jie選xuan擇ze相xiang應ying的de行xing之zhi有you效xiao的de調tiao控kong措cuo施shi,如ru在zai低di溫wen季ji節jie除chu溫wen度du外wai還hai可ke通tong過guo水shui分fen來lai控kong製zhi生sheng長chang;erzaigaowenjijie,wendupiangao,changchangtongguojiaoyeshuilaijiangwen。gaowenjijiedangwufayongwenduheshuifenkongzhishi,zeketongguofeiliaolaikongzhishengchang,jishidangzengjiafeiliaoyongliang,tigaoturangrongyenongdu,tongyangkeyidadaokongzhizhizhushengchangsudu、fangzhituchangdemude。zaishangshushouduandoubunengzouxiaodeqingkuangxia,haikecaiquhuaxueshouduan,ruyongaizhuangsuchulidengbanfa,yekeshixianfangzhituchangdemude。danyaoyangekongzhinongduheyongliang,tebieyaotichudeshi,ruguoshiyoujishipinhuolvseshipin,jiubuyaozaishiyonghuaxueshouduanlaikongzhituchang。
隨著保護地蔬菜生產的不斷發展,保護地番茄的生理性病害發生日趨加重,被害率一般為15%~30%,重者高達50%~60%,給生產造成很大的損失。經試驗研究,這類病害主要是因栽培管理措施不當所致的非傳染性病害。目前生產上較常見的有幼苗徒長、畸形果、空洞果、筋腐病、臍腐病、裂果、日燒病、果實著色不良、凍害果、卷葉、落花落果、花前枝、無生長點等。
這種現象屬於徒長苗,是由於夜溫過高、光照不足、turangshuifenguoduodengyuanyinzaochengde,tebieshiqiujizhongzhi,zaixiaqiujijieyumiao,yejianwenduguogao,youkenengchuxianyangmiaojiejianshenchang,fashengtuchangxianxiang,zaochengmiaogaoda30—40厘米,定植時不易搬運並易倒伏、折斷。更重要的是影響花芽分化,很難達到果大、穗多、產量高的目的。在早春育苗,有些品種強調在花芽分化與發育期間溫度不要太低。早春育苗預防徒長的辦法是:適當控製水分,或通過挖斷根來達到控水目的。地床分苗應早挖坨,定期倒坨,逐漸挪稀;容器分苗應通過調整大小苗位置、挪稀等,調整時必然斷根,使根係限在土坨或容器內,以達到控製苗的徒長。通過栽培措施來調節溫度、水分、肥料等,尤其是夜間溫度不要過高,一般在15℃左zuo右you比bi較jiao適shi宜yi,以yi達da到dao控kong製zhi幼you苗miao生sheng長chang或huo植zhi株zhu健jian壯zhuang的de目mu的de。還hai應ying根gen據ju不bu同tong栽zai培pei季ji節jie選xuan擇ze相xiang應ying的de行xing之zhi有you效xiao的de調tiao控kong措cuo施shi,如ru在zai低di溫wen季ji節jie除chu溫wen度du外wai還hai可ke通tong過guo水shui分fen來lai控kong製zhi生sheng長chang;erzaigaowenjijie,wendupiangao,changchangtongguojiaoyeshuilaijiangwen。gaowenjijiedangwufayongwenduheshuifenkongzhishi,zeketongguofeiliaolaikongzhishengchang,jishidangzengjiafeiliaoyongliang,tigaoturangrongyenongdu,tongyangkeyidadaokongzhizhizhushengchangsudu、fangzhituchangdemude。zaishangshushouduandoubunengzouxiaodeqingkuangxia,haikecaiquhuaxueshouduan,ruyongaizhuangsuchulidengbanfa,yekeshixianfangzhituchangdemude。danyaoyangekongzhinongduheyongliang,tebieyaotichudeshi,ruguoshiyoujishipinhuolvseshipin,jiubuyaozaishiyonghuaxueshouduanlaikongzhituchang。
這種現象屬於徒長苗,是由於夜溫過高、光照不足、turangshuifenguoduodengyuanyinzaochengde,tebieshiqiujizhongzhi,zaixiaqiujijieyumiao,yejianwenduguogao,youkenengchuxianyangmiaojiejianshenchang,fashengtuchangxianxiang,zaochengmiaogaoda30—40厘米,定植時不易搬運並易倒伏、折斷。更重要的是影響花芽分化,很難達到果大、穗多、產量高的目的。在早春育苗,有些品種強調在花芽分化與發育期間溫度不要太低。早春育苗預防徒長的辦法是:適當控製水分,或通過挖斷根來達到控水目的。地床分苗應早挖坨,定期倒坨,逐漸挪稀;容器分苗應通過調整大小苗位置、挪稀等,調整時必然斷根,使根係限在土坨或容器內,以達到控製苗的徒長。通過栽培措施來調節溫度、水分、肥料等,尤其是夜間溫度不要過高,一般在15℃左zuo右you比bi較jiao適shi宜yi,以yi達da到dao控kong製zhi幼you苗miao生sheng長chang或huo植zhi株zhu健jian壯zhuang的de目mu的de。還hai應ying根gen據ju不bu同tong栽zai培pei季ji節jie選xuan擇ze相xiang應ying的de行xing之zhi有you效xiao的de調tiao控kong措cuo施shi,如ru在zai低di溫wen季ji節jie除chu溫wen度du外wai還hai可ke通tong過guo水shui分fen來lai控kong製zhi生sheng長chang;erzaigaowenjijie,wendupiangao,changchangtongguojiaoyeshuilaijiangwen。gaowenjijiedangwufayongwenduheshuifenkongzhishi,zeketongguofeiliaolaikongzhishengchang,jishidangzengjiafeiliaoyongliang,tigaoturangrongyenongdu,tongyangkeyidadaokongzhizhizhushengchangsudu、fangzhituchangdemude。zaishangshushouduandoubunengzouxiaodeqingkuangxia,haikecaiquhuaxueshouduan,ruyongaizhuangsuchulidengbanfa,yekeshixianfangzhituchangdemude。danyaoyangekongzhinongduheyongliang,tebieyaotichudeshi,ruguoshiyoujishipinhuolvseshipin,jiubuyaozaishiyonghuaxueshouduanlaikongzhituchang。
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