越yue冬dong栽zai培pei番fan茄qie定ding植zhi後hou隨sui外wai界jie溫wen度du的de降jiang低di,植zhi株zhu負fu載zai量liang逐zhu漸jian加jia大da。至zhi嚴yan冬dong棚peng內nei環huan境jing更geng不bu利li於yu番fan茄qie的de生sheng長chang發fa育yu,低di溫wen弱ruo光guang造zao成cheng番fan茄qie植zhi株zhu營ying養yang狀zhuang況kuang差cha,但dan植zhi株zhu生sheng長chang、果實發育、開花等對營養競爭日趨激烈,常造成植株衰弱、空穗、果實發育小、kangxingjiangdidengbuliangfanying。weijiejuezheyiwenti,womencaiyongduiyuedongzaipeifanqiezaihandongqianzhaixinhuantoudefangfa,jianhuanyandongqiyangfenxiaohao,shizheyixiliemaodundedaolehuanjie,cizhongzhengzhihuantoufangfazailuxinandengyuedongfanqiechanquyidedaoguangfanyingyong。
具體操作方法:在小雪時節,越冬番茄5~6穗花將開時摘心,並把番茄上的側枝全部掐幹淨,摘心後有計劃的選留從上數第二穗果下第二、三片葉腋裏的側枝為結果培養枝,一般每株留2個側枝,待主蔓番茄第一、二穗果收獲後,側枝進入開花結果期,要進行一次放秧整枝處理,使植株分布趨於合理。此時已近立春,氣溫、地溫開始回升,植株長勢開始逐漸變強,有利於植株避開最寒冬,減少養分消耗,還能促進主蔓番茄果實生長。側枝留5、6穗sui打da頂ding,使shi番fan茄qie單dan株zhu總zong結jie果guo數shu量liang和he產chan量liang及ji效xiao益yi都dou有you所suo增zeng加jia,進jin行xing換huan頭tou栽zai培pei的de番fan茄qie留liu雙shuang側ce枝zhi,相xiang應ying地di等deng於yu增zeng大da了le番fan茄qie植zhi株zhu數shu量liang,葉ye片pian密mi度du加jia大da。在zai春chun季ji應ying加jia強qiang葉ye黴mei病bing及ji斑ban枯ku病bing等deng葉ye部bu病bing害hai的de預yu防fang工gong作zuo。
手機版




