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
aihuamizhipingguoshuzaimiduda,congerdaozhiqizhuyaomaodunshishudeshengchangkongjianyouxianhezhizhudezhiyeguoduoqiezengdasuduguokuai,yincixiujianzhengxingshibuyicaiyongzhuganshucengxingshuxing,eryaocaiyongfangduoxing,xichangfangduoxinghuogailiangfangduoxingshuxing。
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
矮(ai)化(hua)密(mi)植(zhi)蘋(ping)果(guo)樹(shu)載(zai)植(zhi)密(mi)度(du)大(da),單(dan)株(zhu)樹(shu)掛(gua)果(guo)多(duo),單(dan)位(wei)麵(mian)積(ji)產(chan)量(liang)高(gao)。但(dan)果(guo)園(yuan)裏(li)光(guang)照(zhao)條(tiao)件(jian)不(bu)如(ru)樹(shu)稀(xi)果(guo)園(yuan),因(yin)此(ci),肥(fei)水(shui)供(gong)應(ying)如(ru)稍(shao)有(you)不(bu)足(zu)時(shi)樹(shu)勢(shi)則(ze)很(hen)易(yi)衰(shuai)弱(ruo)。如(ru)若(ruo)品(pin)種(zhong)是(shi)短(duan)枝(zhi)型(xing)品(pin)種(zhong),管(guan)理(li)跟(gen)不(bu)上(shang),樹(shu)更(geng)易(yi)早(zao)衰(shuai)。
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。
為wei此ci,冬dong剪jian應ying注zhu意yi多duo疏shu少shao截jie,必bi要yao時shi夏xia季ji也ye要yao進jin行xing疏shu剪jian,及ji時shi適shi當dang的de調tiao整zheng樹shu體ti結jie構gou,提ti高gao有you效xiao葉ye麵mian積ji係xi數shu。還hai應ying減jian少shao來lai自zi果guo園yuan四si周zhou的de遮zhe蔭yin。在zai山shan區qu建jian果guo園yuan時shi,要yao在zai向xiang陽yang開kai闊kuo地di段duan建jian園yuan。最zui好hao南nan北bei行xing栽zai植zhi,要yao行xing距ju大da於yu株zhu距ju,以yi利li增zeng加jia光guang照zhao時shi間jian,增zeng強qiang光guang合he效xiao能neng。適shi當dang疏shu剪jian枝zhi條tiao和he葉ye片pian以yi後hou,要yao防fang止zhi葉ye片pian早zao衰shuai脫tuo落luo,以yi保bao證zheng生sheng長chang後hou期qi的de光guang合he作zuo用yong效xiao能neng仍reng然ran良liang好hao。
手機版




