1、gaishanguangzhao。tongguoxiujiantiaozhengshutijiegouheshuxing,kuodadanweimianjideguangzhaoqiangduheshudeyemianji。weidadaocimude,bunengshishugaoheshuguanzhijingguoda,jinliangshishuxingyushuxingyaohubuzheyin,huoshaozheyin。xiujianshishishudegaoduxiaoyuhuodengyuxingju,bunengdayuxingju。shuguanzhijingbunengdayuzhuju。
2、要使骨幹枝角度開張,控製背上枝生長。主枝的腰角,要開張到70°左右,側枝的開張角度,要達到80°左右。無側枝的紡錘形蘋果樹,主枝要開張到70-90°左右,輔養枝角度開張到90°為好。
3、調整幾種枝條比例。修剪時應該調整長、中、duanzhidebili。shengchangshiruo,changzhishaodeshu,shidangduoduanjie,zengjiachouchangzhideshuliang,changshiwang,changzhiduodeshu,yongqingjianhuanfanghekeyadefangfa,zengjiazhongzhiheduanzhishuliang。gaochan、穩產樹的長枝應占總枝量的5-8%,中枝應占10-30%,短枝和葉叢枝占50-60%。
4、調(tiao)整(zheng)枝(zhi)組(zu)的(de)分(fen)布(bu)。枝(zhi)組(zu)分(fen)布(bu)合(he)理(li)方(fang)能(neng)使(shi)樹(shu)冠(guan)內(nei)膛(tang)和(he)各(ge)主(zhu)枝(zhi)層(ceng)間(jian)光(guang)照(zhao)良(liang)好(hao)。主(zhu)枝(zhi)的(de)背(bei)上(shang)枝(zhi)組(zu),要(yao)以(yi)斜(xie)生(sheng)枝(zhi)組(zu)為(wei)主(zhu),側(ce)枝(zhi)上(shang)要(yao)培(pei)養(yang)兩(liang)側(ce)枝(zhi)組(zu)。要(yao)使(shi)樹(shu)冠(guan)成(cheng)波(bo)浪(lang)形(xing),各(ge)層(ceng)間(jian)的(de)光(guang)照(zhao)均(jun)可(ke)被(bei)利(li)用(yong)。樹(shu)冠(guan)外(wai)圍(wei)多(duo)留(liu)中(zhong)型(xing)和(he)小(xiao)型(xing)枝(zhi)組(zu)。枝(zhi)組(zu)如(ru)此(ci)分(fen)布(bu),則(ze)有(you)利(li)樹(shu)冠(guan)內(nei)膛(tang)見(jian)光(guang)。
5、枝zhi組zu的de修xiu剪jian。枝zhi組zu不bu老lao,枝zhi組zu不bu衰shuai時shi,不bu要yao急ji於yu回hui縮suo修xiu剪jian,要yao以yi枝zhi養yang枝zhi。依yi據ju蘋ping果guo品pin種zhong特te性xing,適shi當dang截jie剪jian需xu要yao保bao留liu的de細xi弱ruo枝zhi。對dui長chang勢shi較jiao強qiang的de枝zhi組zu,緩huan前qian促cu後hou,截jie放fang結jie合he,輪lun流liu更geng新xin,使shi枝zhi組zu內nei的de營ying養yang枝zhi和he結jie果guo枝zhi比bi例li達da到dao3:1為宜。
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