菜cai農nong在zai種zhong植zhi番fan茄qie時shi,為wei了le防fang止zhi葉ye片pian製zhi造zao的de營ying養yang物wu質zhi浪lang費fei,都dou會hui及ji時shi將jiang番fan茄qie的de側ce枝zhi疏shu除chu,以yi保bao證zheng葉ye片pian製zhi造zao的de營ying養yang物wu質zhi集ji中zhong供gong應ying主zhu枝zhi的de生sheng長chang。但不少菜農是隻要看到番茄長出側枝就疏除,結果疏除方法不當,影響了番茄的產量。那麼,怎樣做才合理呢?
shouxian,fanqiecezhibunengshuchuguozao。yanjiuzhengming,fanqiecezhijiaoxiaoshi,qisuozhizaodeyingyangdayuxiaohaodeyingyang,suoyizheshibuyingjiangqishuchu,youqishidangzhizhudeyepianmeiyouwanquanfugaidimianshi。weichongfenliyongcezhizhizaodeyingyang,yicezhichang5厘米左右時疏除為宜。而對於番茄每穗花下部的第一側枝則應適當早疏除,應在其長3厘米左右時就疏除。如果番茄每穗花下部的第一側枝不及時疏除,其長勢很快就會超過主枝,從而使大量的營養浪費。
其次,番茄側枝疏除不能過晚。如果番茄側枝疏除過晚,側枝長5厘(li)米(mi)以(yi)上(shang),就(jiu)會(hui)與(yu)主(zhu)枝(zhi)劇(ju)烈(lie)地(di)爭(zheng)奪(duo)養(yang)分(fen),並(bing)且(qie)長(chang)勢(shi)也(ye)會(hui)逐(zhu)漸(jian)超(chao)過(guo)主(zhu)枝(zhi)。側(ce)枝(zhi)疏(shu)除(chu)過(guo)晚(wan)還(hai)會(hui)造(zao)成(cheng)側(ce)枝(zhi)的(de)韌(ren)皮(pi)部(bu)老(lao)化(hua),由(you)於(yu)側(ce)枝(zhi)與(yu)主(zhu)枝(zhi)的(de)韌(ren)皮(pi)部(bu)連(lian)接(jie)緊(jin)密(mi),在(zai)疏(shu)除(chu)側(ce)枝(zhi)時(shi)容(rong)易(yi)將(jiang)主(zhu)枝(zhi)的(de)表(biao)皮(pi)弄(nong)破(po),且(qie)側(ce)枝(zhi)不(bu)容(rong)易(yi)疏(shu)除(chu)。
另外,在疏除番茄側枝時,不能留樁,以防從同一葉腋處再次萌發側枝。
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