拉枝在蘋果幼樹整形中占有重要的地位。通過拉枝改變枝條角度和方位,調整樹體長勢,培養良好的樹體結構,以達到早結果、早豐產、穩產優質的栽培目的。
密植蘋果采用自由紡錘形整形,基部三主枝角度為70~80度,斜向行間伸展並水平均勻分布;輔養枝角度為90度平直生長,插在兩主枝空間;上層主枝插在下層主枝中間並水平分布均勻,角度為80~90度。
拉枝宜在頂端新梢長至10cmzuoyoushijinxing。zhitiaozhixianshenzhan,fangzhizhitiaozhongjianlawan。tongshizhuzhiqiangzhuangzhitiaolazhijiaoduda,ruozhilazhijiaoduxiaohuozanhuanlazhi,daixiajihuoqiujiyuqitazhuzhishengchangjunhenghoujinxinglazhi。zhuzhishanghuanfangchangshaolazhishi,qijiaoduyingbizhuzhijiaoduda,pingzhihuoxiexiashengchang,quebaoyoushuzhengtishengchangyunheng,peiyanglianghaodeshutijiegou。
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