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苗木修剪造型的方法和要求

   2014-07-19 876
核心提示:苗木进行修剪一方面可以促进生长,另一方面可以减少伤害。1、落叶乔木树干的培养(1)移植苗(当年春移植的苗木)养干方法。顶芽饱满的乔木,如加杨、北京杨、白蜡、香椿、银杏
       苗木进行修剪一方面可以促进生长,另一方面可以减少伤害。

1、落叶乔木树干的培养

(1)yizhimiao(dangnianchunyizhidemiaomu)yangganfangfa。dingyabaomandeqiaomu,rujiayang、beijingyang、baila、xiangchun、yinxingdengyizhihoubukejianquzhushao。dingyamengyalichadeqiaomu,rumaobaiyang、guohuai、cihuaiheliushu,yizhihoubixujiangzhushaojianqu20—30cm,xuanzebaomanyaliuzaijiankouxia,cushitafayachengweiyanzhangdezhugan。

(2)保养苗(移植成活后第二年抚育的苗木)养干方法。速生的大乔木,如杨、柳等,冬季修剪主要是将分枝点提到树高的1/2—3/5处,对上部出现的竞争枝应剪除。有明显顶芽的乔木,如元宝枫等,幼苗移植的官度宜大,多留细小侧枝,疏除较粗和直立的侧枝,待树干达到要求高度时应进行第二次移植,以利于养直主干,待树干硬化后,再逐步提高分枝点。树干不易长直的乔木,如黄檗、栾树、华北卫矛、杜仲等,都应在移植之后多留枝叶,养好根系,在移植后的第二年冬季剪截主干,翌年加强肥水管理,即能长成直立的树干。
 

2、落叶乔木树冠的培养

(1)gaodaluoyeqiaomu,ruyang、liudeng,qishuguanyibanbuxuyaorengongzhengxing,zhizaishangbuchuxianjiaoqiangdejingzhengzhishi,yaojishishuzhi,fouzeyichuxianshuangtouzhushu。

(2)wuzhongyanggandeluoyeqiaomu,ruhuaishu、yuanbaofeng、mantouliudeng,shuganyangchenghou,yingjiehedierciyizhi,an2.5mdegaodudinggan,jijiang2.5myishangdezhuganbufenquanbujianqu,ranhouxuanliu3—5gexiangsimianfangshedezhuzhi,batamenpeiyangchengguganzhi,diernianjiangzheixiezhuzhizai35—40cmchuduanjie,cushitadiercifenzhi,jinengxingchengshuguan。

(3)龙爪槐嫁接成活后,冬剪时在枝条下垂部位重短截,使其萌生向上枝条,就能使树冠向外扩展而形成伞形树冠。
 

3、灌木的修剪造型

(1)danganyuantouxing。cishuxingshiyongyuyuyemei、ziyeli、huangludengshuzhong。qizhengxingfangfashi:yizhihouxianyangqishugan,zaishugan46—60cmchujianduandinggan,yichunfayahou,liuzhangshijunyun、jiaoduheshidezhuzhi3—5ge,jiangxiabuwuyongzhijianchu,dierniandongjianshijiangzhuzhizai25—35cmchuduanjie,cushitaercifenzhi,jikeyangchengdanganyuantouxing。

(2)duoganshiguanmu,rulianqiao、taipinghua、jindaihua、meiguideng,yizhihou,congdibiaoxiangshangmeigezhuzhizhiliu3—5geya,jiangqishangbujianqu,shitacongjindibiaochuzaifenzhi,jiunengxingchengyou3—5gegandeduoganshiguanmu。

(3)篱架式灌木,如十姐妹、爬蔓月季、蔷薇等不能直立的灌木必须高篱架才能增加观赏价值。在抚育管理阶段,主要是养好根系和培养3—5个粗壮的主蔓,而将多余的枝蔓在萌芽时疏除。
 

4、常绿树的修剪造型

(1)songbolei。yibansongboleidedingduanyoushimingxian,zhuganyiyang。qizhongyousong、huashansongdengzhuzhishilunshengzhuang,ruyinianlundezhuzhishuliangguoduo,zezhongyanggandeyoushiyibeijianruo。yinci,danglunshengdezhuzhiguoduoshi,kemeilunzhiliu4—5gefenbuhelijunyundezhuzhi,erjiangqizuodeshuchu。ruchupuzuoxingdaoshuzaizhidemiaomu,zaimiaopuzhongfuyuzhi6—7nianshengyihou,yingmeinianjiangqifenzhidiantigaoyilun,daochupushijiunengdadaofenzhidianzai2.5myishangdegaodu。

baipisongyijiguibodengsongbolei,yizixiabushengchutuzhangzhi,erchuxianshuangganxianxiang。zaimiaopufuyuqijian,yingsuishishanchuyuzhongyanglingdaoganbingliedetuzhangzhi。shangshujizhongsonglei,rudingyabeipohuai,yingjishijianglinjindecezhi(zhuzhi)yongzhiligunkunbangfuqi,yongtadaitizhugan。

(2)lvliyongmiao。lvliyongmiaoyaoqiuxiabuzhitiaomiji,weidadaozheiyimude,yingzaimiaomuchupudeqianyinianchunjijianshao,cushiqixiabuduofazhitiao。

(3)tengbenhuopanyuanlei。zitengyingzaiqiuji(8yueliqiuhou)zhaixin,cuqijiaozaoditingzhishengzhang,yimianyinnenshaobuyimuzhihuaerjiangdikanghannengli。duiyudijin、lingxiaodengzhuyaoshiyanghaogenxi,liu3—5gezhumanjike。

 
标签: 修剪造型
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