fanqiezhesebujunyun,pinzhidi,kouweicha,meimaixiang,jiagedi。zaochengfanqiezhesebujunyundezhuyaoyuanyinshouxianshiwendubushiyi。fanqieshixihaolengliangganzaoqihou,kaihuajieguoqizhouyewenchayaoda,yewenyudihuayafenhuazao,diyihuaxuzheshengbuweiyudizehuashuyuduo。fayaqideshiyiwenduwei28℃~30℃,低於10℃或高於40℃則不易發芽。開花期以15℃~30℃為宜,低於15℃或高於35℃,花器發育不良而影響結果。溫度在18℃~26℃時果實著色最佳,日溫高於32℃時,果實生長及成熟快,茄紅素形成受阻而影響著色。當溫度過低時,也會嚴重影響果實著色。如果棚室保溫效果不好的話,棚溫低於12℃時則不能正常著色。其次,肥水管理不當也會影響果實正常轉色。第三,通風透光性不好,也會影響果實正常著色。
解決番茄著色不均勻的方法主要使用藥劑催紅。使用藥劑催紅番茄時應注意以下問題:一(yi)是(shi)催(cui)紅(hong)不(bu)宜(yi)過(guo)早(zao)。一(yi)般(ban)在(zai)果(guo)實(shi)充(chong)分(fen)長(chang)大(da)時(shi)催(cui)紅(hong)效(xiao)果(guo)最(zui)好(hao)。若(ruo)果(guo)實(shi)還(hai)處(chu)在(zai)青(qing)熟(shu)期(qi),未(wei)充(chong)分(fen)長(chang)大(da),急(ji)於(yu)催(cui)紅(hong)易(yi)出(chu)現(xian)著(zhe)色(se)不(bu)均(jun)的(de)僵(jiang)果(guo)現(xian)象(xiang)。二(er)是(shi)藥(yao)劑(ji)的(de)濃(nong)度(du)不(bu)宜(yi)過(guo)高(gao)。番(fan)茄(qie)催(cui)紅(hong)大(da)多(duo)使(shi)用(yong)40%乙烯利,每50毫升乙烯利加水4公gong斤jin,混hun合he均jun勻yun後hou使shi用yong。如ru藥yao液ye濃nong度du過guo高gao,會hui傷shang害hai植zhi株zhu基ji部bu葉ye片pian,使shi葉ye片pian發fa黃huang,產chan生sheng明ming顯xian的de藥yao害hai症zheng狀zhuang。三san是shi每mei次ci每mei株zhu催cui紅hong果guo實shi的de數shu量liang不bu宜yi太tai多duo。單dan株zhu催cui紅hong的de果guo實shi一yi般ban每mei次ci1~2ge。yinweidanzhuyicicuihongguoshitaiduo,zhizhushouyaoliangguodashiyichanshengyaohai。sishiyaoyebuyizhanranyepian。ruguoyaoyezhanranyepian,jiuhuidaozhiyepianfahuangdiaoluo。wushicaozuofangfayaodedang。yongxiaokuaihaimianjinzhanyaoye,tumoguoshidebiaomian。yekedaishangmianshashoutaojinzhanyaoye,junyuntumoguoshibiaomian。
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