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造型松树之抗寒性

2018-09-29  来自: 莱芜市颖松园林有限公司 浏览次数:133

  造型松树之抗寒性

  造型松树是北半球分布广的树种之一,适应性强,可耐一60℃的低温或50幅度。20世纪80年代℃高温,具有广泛的生态,黄土高原延安树木园引种来自国内外的松属树种16个种和变种,其中包括美国黄松、奥地利黑松、花旗松和国产油松等。经过20多年的生长,这4个树种在当地气候条件下长势良好,无低温冻害、病害和虫害发生,抗逆性强,并且均已开花结实。本文以上述4个树种为研究对象,测定了其部分抗寒性指标,研究了其抗寒性机理,分析比较了它们的抗寒性,为进一步掌握其生理、生态特性,扩大引种提供理论支持。

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关键词: 造型松           

街机捕鱼电玩LAIWUSHIYINGSONGYUANLINYOUXIANGONGSIWEIYUWUYUEZHISHOUDETAISHANJIAOXIA,DILIWEIZHIYOUYUE,JIAOTONGYUNSHUFANGBIAN。SHIYIJIAJINGGONGSHANGBUMENPIZHUNCHENGLI,SANZHENGQIQUAN,JIANYOU1000MUGEZHONGDAXINGZAOXINGSONG。JIDIZHUYAOJINGYING:ZAOXINGSONG,ZAOXINGHEISONG,ZAOXINGYOUSONG,TAISHANYINGKESONG,JINGGUANSONG,YOUSONG,HEISONG,PINGDINGSONG,DAXINGGUSONG,FENGJINGSONGDENGYUANLINLVHUAMIAOMU。WOMENYICHENGDAIRENXINYUWEIBEN;GENGYUNLVSECHUANBOYOUQING。WOMENJIECHENGYUGUONEIWAISHANGJIASHUANGYINGHEZUO,GONGTONGFAZHAN,GONGCHUANGHUIHUANG!ZIXUN:15763434444


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