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山东大学学报（理学版） ›› 2014, Vol. 49 ›› Issue (07): 1-6.doi: 10.6040/j.issn.1671-9352.0.2014.131

• 论文 •    下一篇

株行距配置对杨树生长及光合特性的影响

秦柱南1, 孙超1, 韩义1, 曹帮华1, 马永升3, 贾波2   

  1. 1. 山东农业大学农业生态与环境重点实验室, 山东 泰安 271018;
    2. 山东农业大学科技处, 山东 泰安 271018;
    3. 鄄城县林业局, 山东 菏泽 274600
  • 收稿日期:2014-04-01 出版日期:2014-07-20 发布日期:2014-09-15
  • 通讯作者: 曹帮华（1964- ），男，博士，教授，研究方向为森林培育与林木遗传育种.E-mail：caobh@sdau.edu.cn E-mail:caobh@sdau.edu.cn
  • 作者简介:秦柱南（1987- ），女，硕士，研究方向为林木种苗.E-mail：qinzhunan@126.com
  • 基金资助:
    国家林业公益性行业科研专项基金资助项目（20100400409）；国家农业成果转化资金资助项目（2011GB2C600024）

Effect of plants spacing on growth and photosynthetic of poplar plantations

QIN Zhu-nan1, SUN Chao1, HAN YI1, CAO Bang-hua1, MA Yong-sheng3, JIA Bo2   

  1. 1. Key Laboratory of Agricultural Ecology and Environment of Shandong Agricultural University, Taian 271000, Shandong, China;
    2. Science and Technology Department of Shandong Agricultural University, Taian 271018, Shandong, China;
    3. Forestry Bureau of Juancheng, Heze 274600, Shandong, China
  • Received:2014-04-01 Online:2014-07-20 Published:2014-09-15

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摘要： 以山东省重点推广的L35、I-107、W-141、中菏1号4个杨树无性系为材料，对密度（417株/hm2）相近的3种不同株行距配置方式（株距×行距：3 m×8 m、4 m×6 m、5 m×5 m）杨树的生长及光合特性进行了研究。研究结果表明：不同配置的杨树树高和冠幅差异不显著，5 m×5 m配置杨树的胸径、胸高形数、单株材积要明显大于其他两种配置，3 m×8 m配置杨树的最小；5 m×5 m配置各断面的离心率要小于其他配置，3 m×8 m配置杨树最大。株行距差值越小，杨树的光合速率、蒸腾速率、水分利用率越大。在种植密度相近的情况下，正方形株行距种植更有助于杨树充分利用空间。

关键词: 生长特性, 光合特性, 杨树, 株行距配置

Abstract: The effect of spacing between rows and between plants in a row on growth characteristic and photosynthetic characteristic in poplar plantations were investigated in field experiment. The experiment consisted of 3 planting patterns of 4 poplar clones(L35, I-107, W-141, zhonghe-1) under the similar plant population density (417 plant/hm2). And the row spacing (cm)×plant spacing (cm) were 3 m×8 m, 4 m×6 m, 5 m×5 m respectively. The results indicated that height and crown of tree had no significant difference in different allocations. The DBH, form-factor and individual volume in 5 m×5 m allocation were significantly more than that of in the others. Eccentricity of cross section of 5 m×5 m allocation was less than that of others and 3 m×8 m was the largest one. Pn, Tr and Wue of poplar were increased with the decrease of plant spacing. In the case of similar density, square planted with narrowing row spacing poplar and increasing plant spacing poplar are more conducive to make full use of space.

Key words: plant-row spacings, poplar, photosynthetic characteristic, growth characteristic

中图分类号: 

  • S792.11
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