優質冬棗口感酥甜、果實均勻、果形美觀、顏色純正。要想達到這一生產標準,一是要具備充足的通風透光條件;二(er)是(shi)要(yao)將(jiang)營(ying)養(yang)生(sheng)長(chang)轉(zhuan)化(hua)為(wei)生(sheng)殖(zhi)生(sheng)長(chang),防(fang)止(zhi)徒(tu)長(chang)造(zao)成(cheng)營(ying)養(yang)流(liu)失(shi)。開(kai)心(xin)形(xing)樹(shu)形(xing)就(jiu)能(neng)很(hen)好(hao)地(di)發(fa)揮(hui)以(yi)上(shang)優(you)勢(shi)。開(kai)心(xin)形(xing)樹(shu)形(xing)在(zai)修(xiu)剪(jian)上(shang)應(ying)注(zhu)意(yi)以(yi)下(xia)幾(ji)點(dian):
1.kuozhangjiaodubunengtaida。kaixinxingshuxingzhijianyouchongfendeshenzhankongjian,dansiweiguozhikuozhangjiaodubunengtaida,zaijiaodushangyaoliuyouyuliang,yifangguaguohouxiachuiguodazaochengbubiyaodezhezhi。duiyucezhixishaodeshuguan,zhongxinzhilizhiyekebaoliu,danyaokongzhiqishengchang,jinzuowengucezhiyifangwaipidezuoyong。
2.不bu留liu直zhi立li枝zhi。開kai心xin形xing修xiu剪jian一yi般ban不bu留liu直zhi立li枝zhi,對dui於yu直zhi立li枝zhi的de留liu存cun,僅jin限xian於yu輔fu助zhu樹shu體ti生sheng長chang和he將jiang來lai調tiao換huan枝zhi頭tou用yong。對dui於yu留liu下xia來lai的de直zhi立li枝zhi更geng不bu能neng讓rang其qi結jie果guo,直zhi立li枝zhi結jie出chu的de果guo實shi形xing體ti不bu均jun、品質不佳、畸形果多。
3.防止風折。開心形樹形在疏果、施藥、開甲等方麵,都比較方便。但開心形樹形在防風方麵略有不足,在中後期管理上,對部分果枝要備足竹竿兒,給予“扶助”。
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