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白皮松
更新时间:2019-12-30 浏览2300
相关说明:
 白皮松(学名:Pinus bungeana Zucc.)是常绿乔木,枝轮生,冬芽显著,芽鳞多数,覆瓦状排列。嫩枝上长有针叶,针叶是着生在枝叶交接处的节状叶枕上,每根松针的外围都有一层厚厚的角质层和一层腊质的外膜,这样就减少了松树身上水份的丧失,保证该物种可以在很干燥的环境下生存。球果第二年秋季成熟。是中国特有树种之一,树形多姿,苍翠挺拔,别具特色,早已成为华北地区城市和庭园绿化的优良树种。近年白皮松已引种美国,世界瞩目。

形态特征  

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详细介绍

  白皮松,Pinus bungeana Zucc. 为松科松属常绿乔木,高可达30米,胸径达2米。阳性树种,幼树耐半阴;耐寒性不如油松,但耐旱、耐湿和对土壤的适应性均较油松强。它对-30℃的干冷气候、pH值7.5至8的土壤,均能适应;能在石灰岩地区生长,而在排水不良或积水地方不能生长,对二氧化硫及烟尘的污染有较强的抗性。深根性,寿命长。幼树枝条自然分布、稠密均匀,故不必进行修剪整形,就能形成美丽的树冠。它生长较缓慢,一年生苗高仅3厘米至5厘米,每年生长2厘米左右,10年后高达1米左右,1米以上的树苗较之幼苗生长迅速每年可生长10厘米至20厘米,因其生长土壤肥力湿度不同而差异较大。

园林用途 

      BAIPISONGZAIYUANLINPEIZHISHANGYONGTUSHIFENGUANGKUO,TAKEYIGUZHI,DUIZHI,YEKECONGZHICHENGLINHUOZUOXINGDAOSHU,JUNNENGHUODELIANGHAOXIAOGUO。TASHIYUTINGYUANZHONGTANGQIAN,TINGCEZAIZHI,SHICANGSONGQIFENGXIANGYINGCHENGQU,POWEIZHUANGGUAN。

  GANPIBANBOMEIGUAN,ZHENYEDUANCULIANGLI,SHIYIGEBUCUODELISHIYUANLINLVHUACHUANTONGSHUZHONG,YOUSHIYIGESHIYINGFANWEIGUANGFAN、NENGZAIGAIZHITURANGHEQINGDUYANJIANDISHENGZHANGLIANGHAODECHANGLVZHENYESHUZHONG。GUZHI、LIEZHIJUNJUGAODUGUANSHANGJIAZHI。

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