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中国农学通报 ›› 2019, Vol. 35 ›› Issue (7): 48-53.doi: 10.11924/j.issn.1000-6850.casb17110076

所属专题: 园艺 农业生态

• 林学 园艺 园林 • 上一篇    下一篇

江汉平原引种不同杨树品种生长特性及抗性的研究

周忠诚1, 王瑞文2   

  1. 1.湖北生态工程职业技术学院;2.湖北省林业科学研究院
  • 收稿日期:2017-11-20 修回日期:2019-01-21 接受日期:2018-02-06 出版日期:2019-03-04 发布日期:2019-03-04
  • 通讯作者: 王瑞文
  • 基金资助:
    中央财政林业科技推广示范资金项目“汉杨系列杂交品种与丰产栽培技术应用示范”(2015HBTK07);湖北省林业科技支撑重点项目“杨树 杂交新品种(纸浆材、胶合板材)定向选育的研究”(Lykjizc201209)。

Growth Characteristics and Resistance of Introduced Poplar Varieties in Jianghan Plain

  • Received:2017-11-20 Revised:2019-01-21 Accepted:2018-02-06 Online:2019-03-04 Published:2019-03-04

摘要: 为筛选出适合在江汉平原推广的杨树优良无性系,以引进的‘丹红杨’等19 个杨树无性系及江汉平原原主栽品种‘中潜3号’为材料,分别分析林龄6年和12年时20个无性系的生长量、材性及抗性。林龄6 年和12 年杨树各无性系胸径、树高、单株材积均存在极显著差异,其中‘丹红杨’、‘巨霸261’、‘DD102-4’、‘南林895’、‘巨霸2025’等5 个无性系表现突出,12 年材积分别高出对照107.7%、50.18%、39.8%、50.9%、42.1%;5 个无性系在基本密度、纤维长度方面存在显著或极显著差异;‘丹红杨’、‘鲁山杨’抗病虫性最强。结合材积生长节律分析,认为‘丹红杨’适合培育中小及大径材,‘巨霸261’适合培育大径材,其他3个无性系适合培育中小径材。

Abstract: To select suitable poplar varieties for cultivation in large scale in Jianghan plain, using nineteen introduced poplar clones such as‘Danhong’and the main planted poplar variety‘Zhongqian 3’of Jianghan plain as the materials, this article analyzed the growth, wood properties and resistance of the twenty poplar clones at six-year-old and twelve-year-old. The results showed that there were significantly differences in the DHB, height and volume among the six-year-old and twelve-year-old twenty poplar clones. Among all the poplar clones, five clones,‘Danhong’,‘Juba261’,‘DD102-4’,‘Nanlin 895’and‘Juba2025’, performed prominently, the volumes of which were higher than the that of‘Zhongqian 3’by 107.7%, 50.18%, 39.8%, 50.9%, and 42.1%, respectively, at twelve-year-old. The five poplar clones had differences or significant differences in basic density and fiber length. The‘Danhong’and‘Lushan’showed strong disease and insect resistance. According to the rhythm of volume rowth,‘Danhong’is suitable for cultivating little-middle DBH or big-diameter timber,‘Juba261’is suitable for cultivating big-diameter timber, and the other three clones are suitable for cultivating small and middle timber.