園(yuan)林(lin)花(hua)灌(guan)木(mu)修(xiu)剪(jian)是(shi)園(yuan)林(lin)綠(lv)化(hua)撫(fu)育(yu)管(guan)理(li)工(gong)作(zuo)的(de)重(zhong)要(yao)內(nei)容(rong)之(zhi)一(yi),是(shi)保(bao)持(chi)樹(shu)木(mu)健(jian)壯(zhuang)和(he)協(xie)調(tiao)的(de)生(sheng)長(chang)以(yi)提(ti)高(gao)園(yuan)林(lin)綠(lv)化(hua)景(jing)觀(guan)水(shui)平(ping)的(de)關(guan)鍵(jian)技(ji)術(shu)措(cuo)施(shi)。其(qi)主(zhu)要(yao)內(nei)容(rong)是(shi)對(dui)園(yuan)林(lin)樹(shu)木(mu)在(zai)生(sheng)長(chang)期(qi)內(nei)進(jin)行(xing)整(zheng)形(xing)和(he)修(xiu)剪(jian),修(xiu)剪(jian)的(de)方(fang)法(fa)和(he)頻(pin)率(lv)應(ying)該(gai)根(gen)據(ju)應(ying)用(yong)的(de)目(mu)的(de)而(er)定(ding)。
一、為確保移栽成活而修剪
在園林綠化施工過程中,起苗、運輸、搬運乃至栽植甚至回填等環節都可能弄傷一些根係,尤其在大苗挖掘和大樹用機械起苗吊裝時散坨、斷(duan)根(gen)的(de)風(feng)險(xian)就(jiu)會(hui)更(geng)大(da)。尤(you)其(qi)在(zai)非(fei)正(zheng)常(chang)植(zhi)樹(shu)季(ji)節(jie)的(de)夏(xia)季(ji),花(hua)灌(guan)木(mu)移(yi)栽(zai)後(hou)出(chu)現(xian)假(jia)活(huo)更(geng)是(shi)時(shi)常(chang)發(fa)生(sheng)。為(wei)確(que)保(bao)成(cheng)活(huo),在(zai)起(qi)苗(miao)前(qian)或(huo)起(qi)苗(miao)後(hou)應(ying)該(gai)立(li)即(ji)進(jin)行(xing)重(zhong)剪(jian)。對(dui)於(yu)從(cong)外(wai)地(di)起(qi)運(yun)的(de)苗(miao)木(mu),在(zai)起(qi)苗(miao)時(shi)大(da)多(duo)不(bu)帶(dai)土(tu)球(qiu),可(ke)以(yi)把(ba)裸(luo)根(gen)沾(zhan)上(shang)泥(ni)漿(jiang),再(zai)用(yong)濕(shi)草(cao)和(he)草(cao)袋(dai)包(bao)裹(guo),並(bing)在(zai)裝(zhuang)車(che)之(zhi)前(qian)進(jin)行(xing)重(zhong)剪(jian)。如(ru)果(guo)早(zao)春(chun)氣(qi)溫(wen)回(hui)升(sheng)很(hen)快(kuai),就(jiu)會(hui)出(chu)現(xian)土(tu)溫(wen)大(da)大(da)低(di)於(yu)氣(qi)溫(wen)的(de)現(xian)象(xiang),於(yu)是(shi)萌(meng)芽(ya)展(zhan)葉(ye)和(he)抽(chou)生(sheng)新(xin)梢(shao)的(de)速(su)度(du)就(jiu)會(hui)比(bi)新(xin)根(gen)生(sheng)長(chang)的(de)速(su)度(du)快(kuai)的(de)多(duo),這(zhe)時(shi)根(gen)部(bu)吸(xi)水(shui)滿(man)足(zu)不(bu)了(le)水(shui)分(fen)的(de)消(xiao)耗(hao),就(jiu)得(de)將(jiang)樹(shu)苗(miao)上(shang)過(guo)早(zao)萌(meng)發(fa)的(de)嫩(nen)梢(shao)抹(mo)掉(diao),即(ji)進(jin)行(xing)補(bu)償(chang)修(xiu)剪(jian)。對(dui)於(yu)造(zao)型(xing)優(you)美(mei)的(de)珍(zhen)貴(gui)引(yin)進(jin)樹(shu)種(zhong),則(ze)可(ke)以(yi)采(cai)用(yong)草(cao)簾(lian)單(dan)獨(du)包(bao)裝(zhuang)或(huo)用(yong)木(mu)箱(xiang)假(jia)植(zhi)後(hou)運(yun)輸(shu),定(ding)植(zhi)後(hou)隻(zhi)需(xu)修(xiu)去(qu)衰(shuai)老(lao)的(de)枝(zhi)條(tiao)和(he)枯(ku)黃(huang)的(de)葉(ye)片(pian),不(bu)要(yao)進(jin)行(xing)重(zhong)剪(jian)。
二、花灌木定植後的修剪
苗miao木mu定ding植zhi後hou,首shou先xian用yong修xiu剪jian進jin行xing樹shu冠guan整zheng形xing,對dui於yu過guo長chang和he過guo密mi的de叢cong生sheng枝zhi進jin行xing短duan截jie和he疏shu剪jian。對dui於yu即ji將jiang用yong於yu重zhong點dian部bu位wei進jin行xing細xi致zhi觀guan賞shang的de一yi些xie灌guan木mu,如ru文wen冠guan果guo、huojushudeng,yinggaigenjuzaoxingdexuyao,jiangcongshengzhitichu,baoliucezhiyuncheng,zhuganguanghuadezhuzhi,tongguoxiujianduanjieshenzhiqianlabashuxingtiaozhengchengyuanzhengdexiaoqiaomuzhuang。zaishumiaodingzhihou,haikeyitongguoshenglahemugunzhichengdengfangfajiaozhengxiachuiqingxiehepingxingdecezhuzhihecezhi,haiyingjiandiaojiejindimiandezhitiaoyijishutangneidezhishangzhijiaochazhideng。
三、為控製樹體大小而修剪
園林花灌木不能像自然界的樹木一樣任其生長,恣意蔓延。因為他們多是房屋、亭台、假山、塑像以及其他園林建築、小品或水麵的襯景,過於高大、cuguang,jiuhuiyingxiangjingguandezhengtixiaoguo。jibianshicaopingzhonghuoshulinxiadehuaguanmu,ruguobujingxiujian,shuconghuibuduankuoda,xianghuyongjizaiyiqi,shiguizhengdeyuanlinbujubianchengluanshucong,yingxiangtongfeng,daozhibingchonghaifasheng,zuizhongjiasushuailao,suoduanjingguandeguanshangshouming。suoyizaiwoguobeifang,jianyizhishaojinxingsancixiujian,diyici,zaochunshuyemengfazhiqian,jiangbingzhi、殘枝、徒長枝有凍害、蟲卵寄生的枝條刪除或短截;但是不要打掉花枝;anzhaojihuajinxingzhongjian,cushijinhouzhengtihuisuoyugengxin。dierci,huaxiehousanzhouzhiyiyue,jiandiaocanhua,shuchuxinshengmengnieheguomichudexiaozhi,zengqiangtongfengtouguang,yufangbingchonghaifasheng;進行整體的短截和修形;第三次,立秋後落葉前,將果實剪除(冬果宿存觀賞性強的除外)。
四、因樹勢(健康)而修剪與整形
當幼樹生長旺盛時,以整形為主,宜輕剪。嚴格控製直立枝,斜生枝的上位芽冬剪時應剝掉,防止生長直立枝。一切病蟲枝、幹枯枝、人為破壞枝、徒長枝等用疏剪方法剪去。叢生花灌木的直立枝,選生長健壯的加以摘心,促其早開花。
zhuangnianshuyingchongfenliyonglitikongjian,cushiduokaihua。yuxiumianqixiujianshi,zaiqiushaoyixiashidangbuweijinxingduanjie,tongshizhunianxuanliubufengennie,bingshudiaobufenlaozhi,yibaozhengzhitiaobuduangengxin,baochifengmanzhuxing。
老弱樹木以更新複壯為主,采用重短截的方法,使營養集中於少數腋芽,萌發壯枝,及時疏刪細弱枝、病蟲枝、枯死枝。
五、根據花灌木生長開花或結果的栽培目的進行修剪與整形
春季開花,花芽(或混合芽)著生在二年生枝條上的花灌木。如連翹、榆葉梅、maoyingtaodengguanmushizaiqianyiniandexiajigaowenshijinxinghuayafenhua,jingguodongjidiwenjieduanyudiernianchunjikaihua。yinci,yingzaihuacanhouyeyakaishipengdashangweimengfashijinxingxiujian。xiujiandebuweiyizhiwuzhongleijichunhuayahuohunheyadebutongeryousuobutong。lianqiao、榆葉梅、丁香等可在開花枝條基部留2-4個飽滿芽進行短截。牡丹則僅將殘花剪除即可。夏秋季開花,花芽(或混合芽)著生在當年生枝條上的花灌木。如紅玫瑰、黃刺玫、珍珠梅等是在當年萌發枝上形成花芽,因此應在休眠期進行修剪。將二年生枝基部留2-3個ge飽bao滿man芽ya或huo一yi對dui對dui生sheng的de芽ya進jin行xing重zhong剪jian,剪jian後hou可ke萌meng發fa出chu一yi些xie茁zhuo壯zhuang的de枝zhi條tiao,花hua枝zhi會hui少shao些xie,但dan由you於yu營ying養yang集ji成cheng會hui產chan生sheng較jiao大da的de花hua朵duo。而er對dui於yu需xu要yao結jie果guo觀guan賞shang或huo食shi用yong的de果guo樹shu,則ze要yao根gen據ju著zhe果guo的de特te點dian進jin行xing修xiu剪jian並bing兼jian顧gu樹shu勢shi的de平ping衡heng,使shi側ce枝zhi尤you其qi是shi果guo枝zhi粗cu壯zhuang,層ceng次ci分fen明ming,既ji豐feng碩shuo又you美mei觀guan。
六、為達到設計的樹形而修剪
suiranzuoweiyuanlinzhongyaoshejiyuansudeguanmu,yiqizirandexingshihezhiganjiukeyishirenshangxinyuemu,danshiyuanlinshejirenyuantongguoduiqishishizaoxing,shiqidadaoyujianzhuzhijian、與其他不同形式的樹木之間的協調和特有的意蘊,簡言之,裝飾性、符號功能越來越受到追捧和效仿,園林中的灌木被用來做成拱門、拱洞、牆桓、長廊、棚架等功能性的實體,更為普遍的塑成花鳥獸、幾何體等純粹的裝飾作用。
在城市用地日益稀缺的今天,立體綠化、空中花園的設計以及生態景觀的模仿(如室內的椰風海前、南國風情)都成了現實,在有限的空間裏塑造深遠的綠境、勝景,此中的植材都要經過精心的修剪。
七、為樹木的複壯更新而修剪
對(dui)已(yi)經(jing)進(jin)入(ru)衰(shuai)老(lao)的(de)植(zhi)株(zhu)進(jin)行(xing)強(qiang)修(xiu)剪(jian),剪(jian)掉(diao)大(da)部(bu)分(fen)側(ce)枝(zhi)和(he)衰(shuai)老(lao)的(de)主(zhu)枝(zhi),甚(shen)至(zhi)把(ba)主(zhu)枝(zhi)也(ye)分(fen)次(ci)鋸(ju)掉(diao),選(xuan)留(liu)有(you)培(pei)養(yang)前(qian)途(tu)的(de)新(xin)枝(zhi)作(zuo)為(wei)培(pei)養(yang)的(de)主(zhu)幹(gan),用(yong)以(yi)形(xing)成(cheng)新(xin)的(de)樹(shu)冠(guan)。這(zhe)種(zhong)做(zuo)法(fa)叫(jiao)做(zuo)更(geng)新(xin)複(fu)壯(zhuang)。通(tong)過(guo)更(geng)新(xin)複(fu)壯(zhuang),較(jiao)之(zhi)新(xin)建(jian)植(zhi)的(de)新(xin)苗(miao)生(sheng)長(chang)速(su)度(du)較(jiao)快(kuai),能(neng)夠(gou)延(yan)續(xu)理(li)想(xiang)的(de)景(jing)觀(guan)效(xiao)果(guo)。為(wei)了(le)達(da)到(dao)理(li)想(xiang)的(de)複(fu)壯(zhuang)效(xiao)果(guo),應(ying)該(gai)提(ti)早(zao)做(zuo)以(yi)規(gui)劃(hua),一(yi)般(ban)在(zai)早(zao)春(chun)第(di)一(yi)次(ci)修(xiu)剪(jian)時(shi)即(ji)留(liu)好(hao)備(bei)用(yong)的(de)更(geng)新(xin)枝(zhi),通(tong)過(guo)多(duo)次(ci)的(de)一(yi)年(nian)半(ban)至(zhi)兩(liang)年(nian)的(de)時(shi)間(jian)即(ji)可(ke)完(wan)成(cheng)。
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