[1]郭斌,郑智礼*,杨飞,等. 漏斗状覆膜对不同密度新疆杨生长及光合特性的影响[J].西北林学院学报,2018,33(6):15-19.[doi:10.3969/j.issn.1001-7461.2018.06.03]
 GUO Bin,ZHENG Zhi-li*,YANG Fei,et al. Effects of Funnel-shaped Film Mulching on the Growth and Photosynthetic Characteristics of Populus bolleana with Different Densities[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(6):15-19.[doi:10.3969/j.issn.1001-7461.2018.06.03]
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 漏斗状覆膜对不同密度新疆杨生长及光合特性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第6期
页码:
15-19
栏目:
出版日期:
2018-11-30

文章信息/Info

Title:
 Effects of Funnel-shaped Film Mulching on the Growth and Photosynthetic Characteristics of Populus bolleana with Different Densities
文章编号:
1001-7461(2018)06-0015-05
作者:
 郭斌1郑智礼1*杨飞1赵娟1杨延青1姚建忠2李丕全2胡海东2
 (1.山西省林业科学研究院,山西 太原 030012;2.山西省杨树丰产林实验局,山西 大同 037006)
Author(s):
 GUO Bin1ZHENG Zhi-li1*YANG Fei1ZHAO Juan1YANG Yan-qing1YAO Jian-zhong2LI Pi-quan2HU Hai-dong2
 (1.Shanxi Academy of Forest Sciences,Taiyuan,Shanxi 030012,China;2.The Experimental Bureau of Poplar High-yielding Forest of Shanxi Province,Datong,Shanxi 037006,China)
关键词:
 漏斗状覆膜密度新疆杨生长性状光合特性
Keywords:
 funnel-shaped mulching density Populus bolleana growth trait photosynthetic characteristics
分类号:
S718.45
DOI:
10.3969/j.issn.1001-7461.2018.06.03
文献标志码:
A
摘要:
 以晋北半干旱风沙区为研究区域,采用漏斗状覆膜技术造林,探讨覆膜对不同密度(株行距分别为2 m×2 m、3 m×3 m、4 m×4 m、4 m×6 m)新疆杨生长和光合特性的影响。结果表明,漏斗状覆膜技术对不同密度新疆杨生长和光合特性有显著影响(P<0.05),2 m×2 m密度的新疆杨生长性状和光合特性表现最优,不同密度的树高、胸径、当年生长量、成活率、叶绿素含量、净光合速率表现出随密度减小而递减的规律,相关分析显示树高、胸径与净光合速率的相关系数分别为0.991、0.863,与叶绿素含量的相关系数分别为0.858、0.584。综合分析结果,在晋北半干旱风沙区,覆膜面积所占比例显著影响树木的成活与生长,新疆杨初植密度为2 m×2 m且漏斗状覆膜效果最佳。
Abstract:
 Taking the semi-arid sandy region of northern Shanxi Province as research area,the effects of funnel-shaped film mulching on the growth and photosynthesis of Populus bolleana seedlings with different planting densities (2×2,3×3,4×4,and 4 m×6 m) were examined.Significant influences (P<0.05) were observed.The growth indexes and photosynthetic characteristics were the best in the density of 2 m×2 m.The tree height (H),diameters at breast height (DBH),annual growth,survival rate,chlorophyll content (ChlC) and net photosynthetic rate (Pn) decreased with the decrease of planting density.Correlation analysis showed that the correlation coefficients were 0.991 (between H and Pn) ,0.863 (DBH and Pn),0.858 (H and ChlC) ,0.584 (DBH and ChlC),respectively.Over all,the proportion of film mulching significantly affected the survival and growth of P.bolleana,and the initial density of 2 m×2 m with funnel-shaped film mulching was suggested in semi-arid sandy area of Northern Shanxi Province.

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备注/Memo

备注/Memo:
 收稿日期:2018-03-28修回日期:2018-05-08
基金项目:国家重点研发计划课题(2016YFD0600403);国家林木(含竹藤花卉)种质资源平台建设与运行服务(2005DKA21003)。
作者简介:郭斌,男,工程师,研究方向:半干旱区植被恢复。E-mail:531188058@qq.com
*通信作者:郑智礼,男,教授级高工,研究方向:半干旱区植被恢复。E-mail:zhilizheng@126.com
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