zaimiaomudejiajieguochengzhong,jingchanghuiyudaozheiyangyizhongqingkuang,neijiushiyongyujiajiedezhenmuzishengchuxindezhiya。cixianxiangduochuxianyuzaochunshijie,bingyijibunieyaweiduo。zhenmuzuoweijiesuishengzhangfayudeweiyiyingyanglaiyuan,qinengrangzhenmu“jiewaishengzhi”?xiamianwomenjiuxiangnijieshaoguanyujiajiezhenmuzishengzhiyadejizhongchulifangfa。
fangfayi、zaicijiajiehuobujie。jiesuichenghuohou,changyincaozuobudang、bingchonghaidengyuanyinyinqishengzhangbuliang。cishikexuanqulaozhenshangdexinshengzhiya,xuyipeiyangyibeizaijie。huozhe,jiajiezhiwudezhuxingbujinrurenyi,zhuganzhibudaowei,tongguoxiujianzhengzhiyenanyidadaomudeshi,kekaolvzaishiyibuweibujie。
方法二、特殊造型。笔者曾在刺槐-龙爪槐、旱柳-垂柳嫁接时,利用砧木和接穗株型反差大的特点,修剪成“混合株型”。即:将刺槐基生蘖芽等距保留并围生于主干周围,长高到龙爪槐伞型冠边缘;旱柳则是将其顶生枝剪成高高的发髻状,周围配以瀑布似的垂柳枝,别有一番味道。在嫁接时,人们总是习惯性地留意新生植物接穗,忽视埋没于地下的砧木。事实上,在砧木和接穗的巧妙结合中,常蕴含着意外的园艺审美价值。
方法三、繁殖砧木。某些野生、珍稀砧木不易采得。嫁接后,若滋生枝芽,仍可蓄意保留培养,成枝后再行分株、扦插繁殖。笔者曾以丝棉木???冬青嫁接,成活后,冬青基部又生出丝棉木枝芽,经着意培养后,获得不少丝棉木小苗。但是,该法繁殖量不宜过大,以免影响嫁接植物(接穗)的生长。
fangfasi、peiyangyingyangzhi。jiajiezhiwudezhiyeyoushihuishengzhangbuliang,bunengtigongchongzuyangfen,erzhenmuzishengdexinzhiquezhangshiwangsheng。zheishi,keyouxuanzedibaoliupeiyuchengyingyangzhi,zhidaoxinzhuwanquanneng“ziyang”zaijianqu。danshi,zheixiezhiyaoliuzhibuliuding、zhangyebuzhanghua,gengbuyunxuqijieguo。