用榕樹製作盆景,南方各省最為流行,但要培養一件好的作品,也非易事:一是野生老樁多生於石縫中,挖掘極難帶根,而榕樹有無根不成景之說;二是將幼樹培養成蒼古雄奇、有一定觀賞價值的古樁,費時費工。如何快速培育大榕樹老樁、縮短成型周期?筆者經多年實踐,現介紹幾種簡易製作方法,供盆景初學者參考。
一、多枝合插:清明節後,配合榕樹修剪,選取部分大小不一的枝條,截成高低不等的扡插枝,按造型要求,高低錯落,捆在一起,扡插於鬆泥中(分插後合植也可),使shi根gen係xi自zi然ran交jiao叉cha。成cheng活huo後hou在zai各ge枝zhi相xiang互hu連lian接jie處chu,用yong小xiao刀dao劃hua破po樹shu皮pi,使shi之zhi吻wen合he,粘zhan為wei一yi體ti。第di二er年nian清qing明ming過guo後hou挖wa起qi,梳shu理li根gen須xu,對dui粗cu長chang根gen進jin行xing短duan截jie,暫zan緩huan修xiu剪jian枝zhi條tiao,以yi充chong分fen利li用yong光guang合he作zuo用yong養yang樁zhuang。重zhong修xiu一yi般ban在zai休xiu眠mian期qi進jin行xing為wei好hao,以yi免mian白bai色se黏nian液ye外wai流liu過guo多duo,影ying響xiang植zhi株zhu生sheng長chang。然ran後hou地di栽zai,促cu根gen催cui壯zhuang,加jia速su粘zhan合he,對dui僵jiang死si枝zhi去qu除chu布bu嵌qian,粘zhan連lian不bu妥tuo的de可ke遂sui年nian按an上shang法fa補bu之zhi。第di三san年nian清qing明ming前qian後hou,修xiu剪jian整zheng形xing,上shang盆pen蒔shi養yang,以yi控kong製zhi根gen須xu無wu限xian度du延yan伸shen。立li秋qiu前qian後hou再zai修xiu剪jian或huo摘zhai心xin一yi次ci,促cu其qi分fen枝zhi。同tong時shi在zai原yuan插cha幹gan上shang,用yong撬qiao皮pi、刻槽、錘chui擊ji等deng方fang法fa促cu老lao催cui古gu。再zai培pei育yu幾ji年nian,插cha枝zhi增zeng粗cu,相xiang互hu擠ji壓ya形xing成cheng凹ao凸tu不bu平ping的de整zheng體ti,樹shu頭tou顯xian蒼cang古gu的de榕rong樁zhuang嶙lin峋xun之zhi狀zhuang,再zai提ti根gen觀guan賞shang盆pen。至zhi此ci一yi件jian蒼cang古gu的de榕rong樹shu盆pen景jing既ji基ji本ben養yang成cheng。
二、老幹直插:榕樹生命力強扡插易活,即使老扡插,隻要盡心護理,一般都能成活。扡插的時間在清明前後、日平均氣溫不低於20°C時進行為好。老幹的采取:一是從老榕樹上選取有培養前途的枝幹,鋸截下來扡插;二er是shi生sheng長chang在zai山shan野ye石shi縫feng中zhong的de榕rong樹shu,樁zhuang坯pi可ke取qu,但dan根gen部bu無wu法fa挖wa掘jue,即ji可ke舍she根gen取qu幹gan,以yi幹gan扡qian插cha養yang根gen。一yi般ban先xian地di插cha後hou上shang盆pen,也ye可ke直zhi接jie插cha於yu較jiao高gao大da的de盆pen缸gang中zhong,培pei育yu造zao型xing使shi升sheng華hua成cheng景jing,隻zhi要yao認ren真zhen養yang護hu,三san年nian即ji可ke理li根gen提ti根gen。對dui缺que根gen的de地di方fang,可ke用yong以yi下xia兩liang種zhong方fang法fa處chu理li:一是剝皮促根,即在需要長根部位,用小刀或木工鑿在樹幹上橫開寬1CM~2CM左右的小溝槽,剝去樹皮,如多處須補根,開槽則上下錯位,以便吸取營養而不致於創口周圍皮層壞死;二er是shi靠kao接jie幼you樹shu補bu根gen,即ji在zai需xu要yao補bu根gen位wei置zhi,用yong利li刀dao在zai樹shu幹gan上shang縱zong開kai一yi槽cao,然ran後hou用yong帶dai根gen幼you苗miao,削xue去qu部bu分fen樹shu皮pi,嵌qian入ru槽cao縫feng,靠kao借jie固gu定ding,開kai槽cao長chang短duan寬kuan窄zhai要yao與yu靠kao接jie的de幼you苗miao相xiang適shi應ying,待dai皮pi層ceng完wan全quan粘zhan合he後hou,留liu根gen去qu幹gan。筆bi者zhe1994nianyueshangshanwaquzhuangpi,jianyidayerongshugenjishenmaizaishifengzhong,wufawajue,danqiganpiaoyixiaosa,juezhibude,qizhikexi,houjiehuilaoganqiancha,peiyujinianhou,xianyizhifanyemao,jingliangdutigen,yichujujingguan,ruguonengyongyepianjiaoxiaodepinzhonghuanguan,gengjuguanshangjiazhi。
三、合體拚栽:合體拚栽是最理想的一種增粗促古的有效方法。根據造型設計,選取3~5株zhu兩liang三san年nian生sheng幼you樹shu,在zai清qing明ming後hou,按an造zao型xing要yao求qiu,截jie枝zhi後hou根gen枝zhi交jiao叉cha拚pin合he一yi體ti,用yong高gao培pei土tu方fang法fa,植zhi盆pen養yang護hu,根gen據ju生sheng長chang情qing況kuang,修xiu剪jian整zheng形xing,並bing逐zhu步bu去qu土tu理li根gen露lu根gen,三san年nian後hou即ji可ke成cheng景jing。筆bi者zhe1995年4月初用5株(zhu)大(da)小(xiao)不(bu)一(yi)的(de)細(xi)葉(ye)榕(rong)幼(you)樹(shu),拚(pin)栽(zai)造(zao)型(xing),現(xian)已(yi)相(xiang)互(hu)擠(ji)靠(kao)合(he)為(wei)一(yi)體(ti),樹(shu)冠(guan)豐(feng)滿(man),氣(qi)根(gen)遍(bian)生(sheng),初(chu)具(ju)自(zi)然(ran)古(gu)老(lao)大(da)樹(shu)風(feng)韻(yun)。為(wei)進(jin)一(yi)步(bu)提(ti)高(gao)觀(guan)賞(shang)價(jia)值(zhi),拚(pin)栽(zai)後(hou)第(di)二(er)年(nian)起(qi),用(yong)葉(ye)片(pian)較(jiao)小(xiao)的(de)印(yin)度(du)榕(rong)枝(zhi)條(tiao)逐(zhu)年(nian)逐(zhu)枝(zhi)分(fen)批(pi)嫁(jia)接(jie)換(huan)冠(guan),葉(ye)片(pian)變(bian)小(xiao),現(xian)更(geng)具(ju)藝(yi)術(shu)魅(mei)力(li)。
四、靠接增粗:多年生之榕樁,主幹卻仍太小,或形態不理想,可用幼樹依附周圍靠接增粗。從山野挖掘榕坯,幹雖古老,多樹根、zhibulixiang,keliyongqilaogan,yongkaojiebanfabuganbugen,sanwuniankechujujingguan。weijinyibutigaoguanshangjiazhi,yepianjiaodade,keyongxiaoyepianshuzhongjiajiehuanguan。jiajiehuanguanyaozhuyi:高空芽接或枝接雖好,但技藝不純熟、氣(qi)溫(wen)不(bu)適(shi)度(du),成(cheng)活(huo)率(lv)不(bu)高(gao),最(zui)好(hao)是(shi)帶(dai)根(gen)帶(dai)泥(ni)高(gao)空(kong)靠(kao)接(jie),即(ji)用(yong)小(xiao)塑(su)料(liao)袋(dai)包(bao)住(zhu)根(gen)部(bu)帶(dai)泥(ni)靠(kao)接(jie),成(cheng)活(huo)率(lv)可(ke)達(da)百(bai)分(fen)百(bai)。成(cheng)活(huo)後(hou),靠(kao)近(jin)主(zhu)幹(gan)的(de)接(jie)苗(miao),去(qu)泥(ni)埋(mai)根(gen)附(fu)於(yu)樹(shu)幹(gan)上(shang),使(shi)之(zhi)下(xia)延(yan)長(chang)粗(cu),增(zeng)粗(cu)主(zhu)幹(gan);離主幹較遠的接苗,根據需要,有些去根留枝,有些去枝留根,有些根枝全留,將根培養成下垂假氣根,吊於枝上,則別有情趣。筆者1995年nian購gou一yi下xia山shan細xi葉ye榕rong樁zhuang坯pi,分fen枝zhi少shao且qie主zhu幹gan基ji部bu偏pian上shang,除chu三san根gen粗cu根gen外wai,細xi根gen全quan無wu,養yang坯pi兩liang年nian,根gen仍reng細xi而er不bu長chang,露lu不bu出chu根gen,後hou用yong插cha扡qian的de印yin度du榕rong幼you苗miao依yi附fu原yuan樁zhuang周zhou圍wei,采cai取qu靠kao接jie方fang法fa,補bu根gen補bu幹gan,不bu僅jin改gai變bian了le樹shu形xing,還hai使shi葉ye變bian小xiao。但dan左zuo下xia枝zhi細xi而er短duan,整zheng體ti樹shu形xing為wei等deng邊bian三san角jiao形xing。後hou用yong一yi帶dai根gen幼you苗miao靠kao接jie,加jia長chang飄piao枝zhi,其qi根gen保bao留liu,用yong礦kuang泉quan水shui瓶ping去qu底di,將jiang根gen裝zhuang入ru瓶ping內nei填tian土tu,直zhi接jie盆pen麵mian,待dai根gen深shen紮zha後hou去qu掉diao塑su料liao瓶ping,即ji成cheng粗cu大da假jia氣qi根gen。這zhe種zhong方fang法fa,根gen幹gan都dou易yi增zeng粗cu,同tong時shi彌mi補bu了le基ji部bu過guo小xiao的de缺que陷xian。
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