榕树的气根可以剪一部分吗

2025-02-23 07:48:57
推荐回答(4个)
回答1:

 对气根、块根的培养要有正确的方向与目的,不可使气根又粗又硬,直如竹竿,或打成辫子,或向树干上下缠绕,这是庸俗的做法。一味追求块根多、块根大,不问植株形态能否配合,盲目好奇,也是不好的。 培养气根气根宜细,宜少而精,不宜粗多而乱,气根是榕树的“好气性”,它在枝叶需水量超过树干供水量的情况下生出来的。应利用它的规律进行造型。

  例如,培养顶节主枝气根,可让枝叶充分茂盛,自生气根。也可辅以人工,除一面使枝叶茂盛外,同时用小水瓶置于植株之旁,用纱布条把水引到培养气根的枝干,使枝干的那一部分经常有水分,即可很快生气根。万一由于植株较弱,仍然不生气根,还可采取刻伤办法,即在需要生气根之点下1毫米,用刀刻伤深至木质部,伤口宽1毫米,其余措施仍如上法,当可生气根。这种方法可在夏天枝叶最茂时进行,气根必附在纱布条向下生。但气根一着土,则甚易长粗,反过来又促使枝叶更茂,成为循环促进生长,所以就宜及时控制枝叶,必要时,即把气根入土部分剪断,切勿让气根长太粗。

  假如一再控制不住,则把这条气根劈去一半或者全部剪除。如不慎使气根长得过粗,那一段枝条即随着肿大,形如“鹤膝”,极其难看。 相反的一种情况是气根的粗细很适当,也不继续长粗,可是在翌年春修剪时,细枝和叶全部剪除后,即较细气根很快就因失去作用而自然淘汰。用刻伤方法所生气根更容易枯死。所以,培养这种气根宜在清明至立夏时节进行,因为这时剪去细枝和叶片,很快就萌芽长新叶,气根则不会那么快被淘汰。此外还可采用过渡办法,即在清明前剪掉一部分枝叶,在谷雨后或立夏已长新叶时,再剪其余部分。 培养附着在主干的气根,可以比顶节的气根粗些,可以长期入土并使其与主干混合为一体,增加主干的苍老,增加盆栽的美感,并宜使其自然伸长,在确有凌乱或过多的情况下,可用人工引导或剪除,不宜故意把它旋缠,打辫子,因为这种气根附在主干上,以后就难以补救了。 培养块根从山上挖取的榕树实生苗,由于生长条件差,极少数有块根,而苗床培养的实生苗,则多数有块根。

  有块根的树苗,剪裁后,在假植期和培育造型期的培养方法是: 从山上挖来而有较完整块根的植株,树龄三、四十年,块根形状较好的,入盆时可露生土面六成,这样块根不易变形。 从山上挖来块根严重受伤或形状难看的,入盆前需用草木灰涂块根伤口,风干(树叶、枝干要喷水),然后入盆,可露出一成甚或全部埋入土内。成活后,应随时注意观察,匆使从基部生根,这样,受伤的块根就可继续生长,并能易生块根。对块根生的难看的,入盆时,可在块根的凸出而又不太平整之处放置适当大小的石块抵住,并把泥土适当压紧,使块根其他部分继续生长,而有石块的部分即因受压而不易生长。用这个方法使块根变形,变美。 苗床取来有块根的树苗,如块根形状不好的,亦同上法处理,块根形状好的,即应入土七、八成,使块根继续生长。

  凡有块根的植株,切勿经常缺水,大剪或施肥过多,否则块根就干腐或腐坏。 在培养过程中要随时注意块根与树干的配合。多块根的要结得紧,气根要少、要细,体现以块根为主。而块根如山、如石,树干宛若生子石上,则两者不可脱节,否则,不但不增其美,反而庸俗。

回答2:

这榕树盆栽的造型还可以,就是气根有点少,再多一点会非常好看的!

回答3:

剪掉完全没问题我是巴不得多长点气根,您却要剪掉

回答4:

什么是气根啊

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