現(xian)代(dai)果(guo)樹(shu)栽(zai)培(pei)主(zhu)要(yao)是(shi)矮(ai)化(hua)密(mi)植(zhi)栽(zai)培(pei),利(li)用(yong)人(ren)工(gong)和(he)化(hua)學(xue)控(kong)製(zhi)的(de)方(fang)法(fa)使(shi)樹(shu)體(ti)矮(ai)化(hua),加(jia)大(da)單(dan)位(wei)麵(mian)積(ji)上(shang)果(guo)樹(shu)的(de)栽(zai)植(zhi)株(zhu)數(shu),以(yi)求(qiu)大(da)幅(fu)度(du)提(ti)高(gao)單(dan)產(chan)。蘋(ping)果(guo)矮(ai)化(hua)密(mi)植(zhi)栽(zai)培(pei)的(de)管(guan)理(li)要(yao)點(dian)如(ru)下(xia):
(1)加大栽培密度
矮(ai)化(hua)砧(zhen)嫁(jia)接(jie)的(de)蘋(ping)果(guo)樹(shu)樹(shu)冠(guan)體(ti)積(ji)小(xiao)於(yu)喬(qiao)化(hua)砧(zhen)嫁(jia)接(jie)的(de)蘋(ping)果(guo)樹(shu)樹(shu)冠(guan)體(ti)積(ji),矮(ai)化(hua)砧(zhen)蘋(ping)果(guo)樹(shu)單(dan)株(zhu)產(chan)量(liang)低(di)於(yu)喬(qiao)化(hua)砧(zhen)蘋(ping)果(guo)樹(shu),所(suo)以(yi),栽(zai)植(zhi)矮(ai)化(hua)蘋(ping)果(guo)樹(shu)必(bi)須(xu)根(gen)據(ju)不(bu)同(tong)的(de)矮(ai)化(hua)砧(zhen)木(mu)和(he)不(bu)同(tong)類(lei)型(xing)的(de)短(duan)枝(zhi)型(xing)品(pin)種(zhong)適(shi)當(dang)加(jia)大(da)栽(zai)培(pei)密(mi)度(du),進(jin)行(xing)合(he)理(li)密(mi)植(zhi)。例(li)如(ru),M26中間砧蘋果樹,一般可畝栽80-100株中間砧蘋果樹;M7中間砧蘋果樹,畝栽50-60株比鉸合適。
(2)不宜采用多主枝的高大樹形
矮(ai)化(hua)密(mi)植(zhi)蘋(ping)果(guo)樹(shu)栽(zai)密(mi)度(du)大(da),從(cong)而(er)導(dao)致(zhi)其(qi)主(zhu)要(yao)矛(mao)盾(dun)是(shi)樹(shu)的(de)生(sheng)長(chang)空(kong)間(jian)有(you)限(xian)和(he)植(zhi)株(zhu)的(de)枝(zhi)葉(ye)過(guo)多(duo)且(qie)增(zeng)大(da)速(su)度(du)過(guo)快(kuai),因(yin)此(ci)修(xiu)剪(jian)整(zheng)形(xing)時(shi)不(bu)宜(yi)采(cai)用(yong)主(zhu)幹(gan)疏(shu)層(ceng)形(xing)樹(shu)形(xing),而(er)要(yao)采(cai)用(yong)紡(fang)綞(duo)形(xing),細(xi)長(chang)紡(fang)綞(duo)形(xing)或(huo)改(gai)良(liang)紡(fang)綞(duo)形(xing)樹(shu)形(xing)。
無(wu)論(lun)哪(na)一(yi)種(zhong)紡(fang)綞(duo)形(xing)樹(shu)形(xing),其(qi)結(jie)構(gou)特(te)別(bie)是(shi)有(you)主(zhu)枝(zhi)無(wu)側(ce)枝(zhi),修(xiu)剪(jian)樹(shu)時(shi)要(yao)注(zhu)意(yi)控(kong)製(zhi)樹(shu)冠(guan)的(de)大(da)小(xiao),同(tong)時(shi)盡(jin)量(liang)增(zeng)加(jia)主(zhu)枝(zhi)數(shu)目(mu)。由(you)於(yu)主(zhu)枝(zhi)增(zeng)多(duo)且(qie)無(wu)側(ce)枝(zhi),就(jiu)要(yao)防(fang)止(zhi)主(zhu)枝(zhi)的(de)生(sheng)長(chang)勢(shi)比(bi)中(zhong)心(xin)幹(gan)的(de)生(sheng)長(chang)勢(shi)強(qiang),不(bu)要(yao)使(shi)樹(shu)的(de)主(zhu)枝(zhi)延(yan)長(chang)太(tai)快(kuai),以(yi)免(mian)影(ying)響(xiang)中(zhong)心(xin)幹(gan)的(de)生(sheng)長(chang)勢(shi)衰(shuai)弱(ruo)不(bu)壯(zhuang)。每(mei)個(ge)上(shang)枝(zhi)的(de)枝(zhi)體(ti)要(yao)縮(suo)小(xiao),修(xiu)剪(jian)的(de)方(fang)法(fa)要(yao)以(yi)輕(qing)剪(jian)為(wei)主(zhu)、少短截。冬季修剪時,幼齡樹主枝處長枝可以不剪截。
(3)注意及時更新複壯
aihuamizhipingguoshuzaizhimiduda,danzhushuguaguoduo,danweimianjichanlianggao。danguoyuanliguangzhaotiaojianburushuxiguoyuan,yinci,feishuigongyingrushaoyoubuzushishushizehenyishuairuo。ruruopinzhongshiduanzhixingpinzhong,guanligenbushang,shugengyizaoshuai。
由you於yu上shang述shu原yuan因yin,樹shu進jin入ru盛sheng果guo期qi後hou有you些xie樹shu開kai花hua到dao頂ding,必bi須xu特te別bie注zhu意yi及ji時shi更geng新xin修xiu剪jian,在zai肥fei水shui管guan理li上shang要yao保bao證zheng營ying養yang和he水shui分fen供gong應ying。修xiu剪jian時shi要yao注zhu意yi調tiao整zheng樹shu勢shi使shi其qi均jun衡heng,要yao保bao持chi中zhong心xin幹gan的de生sheng長chang優you勢shi,延yan緩huan衰shuai老lao,使shi樹shu的de經jing濟ji壽shou命ming延yan長chang。
(4)改善光照條件,增強葉片光合效能
矮化密植蘋果樹株數多、枝條多、葉片多,因此,應采取多種措施改善光照條件,增強葉片光合效能。
weici,dongjianyingzhuyiduoshushaojie,biyaoshixiajiyeyaojinxingshujian,jishishidangdetiaozhengshutijiegou,tigaoyouxiaoyemianjixishu。haiyingjianshaolaiziguoyuansizhoudezheyin。zaishanqujianguoyuanshi,yaozaixiangyangkaikuodiduanjianyuan。zuihaonanbeixingzaizhi,yaoxingjudayuzhuju,yilizengjiaguangzhaoshijian,zengqiangguanghexiaoneng。shidangshujianzhitiaoheyepianyihou,yaofangzhiyepianzaoshuaituoluo,yibaozhengshengchanghouqideguanghezuoyongxiaonengrengranlianghao。
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