Arid
DOI10.1007/s11676-016-0236-z
Modular growth and clonal propagation of Hippophae rhamnoides subsp sinensis in response to irrigation intensity
Cao, Zilin1,2; Li, Tianjiang3; Li, Genqian2; Liu, Chunhong4; Gao, Haiyin4; Dai, Guanghui1; Xiao, Zhiyong5; Li, Sunling3
通讯作者Li, Genqian
来源期刊JOURNAL OF FORESTRY RESEARCH
ISSN1007-662X
EISSN1993-0607
出版年2016
卷号27期号:5页码:1019-1028
英文摘要

A multipurpose clone plant species, Hippophae rhamniodes has the capacity for indefinite longevity, although under successive drought stress it may often decline or die across large areas. Field trials were conducted over 2 years to examine the effects of varied irrigation intensities on modular growth and clonal propagation in a semi-arid area. Irrigation levels included a control, as well as two, four and six times the volume of water that was typically received via local annual average precipitation. Irrigation intensity significantly influenced clonal propagation capacity (number of daughter ramets), aboveground modular growth (height, base diameter, and crown width), belowground modular growth included root nodule dry weight, stretching capacity of lateral roots (length of the longest lateral roots, and diameter of first-grade lateral roots), and branching intensity of lateral roots (number of lateral roots bifurcation grade, number of first-grade lateral roots). The modular growth and the density of daughter ramets were small under non-irrigation or low irrigation, and became larger with increased irrigation intensity. Beyond a certain threshold, however, further increases in irrigation intensity resulted in a reversion to the development. The optimal irrigation intensities for growth and propagation were 3.48-5.29 times the volume of nominal local annual average precipitation. There were effects of irrigation intensities on the positive significant correlations between aboveground and belowground modular growths, and on clonal propagation capacities. Under various water treatments, H. rhamnoides may adapt to the environment through the regulation of growth and propagation. We concluded that water shortages act to weaken the growth and propagation of H. rhamniodes plantations.


英文关键词Clonal propagation Hippophae rhamnoides subsp sinensis Irrigation intensity Modular growth
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000386357500005
WOS关键词LOESS PLATEAU ; SEA BUCKTHORN ; CHINA ; SOIL
WOS类目Forestry
WOS研究方向Forestry
来源机构北京林业大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194429
作者单位1.Beijing Forestry Univ, Beijing 100083, Peoples R China;
2.Southwest Forestry Univ, Kunming 650224, Peoples R China;
3.Yunan Acad Forestry, Kunming 650204, Peoples R China;
4.Dingbian Cty Forestry Stn, Dingbian 718600, Peoples R China;
5.Yichun Res Inst Forestry, Yichun 336000, Peoples R China
推荐引用方式
GB/T 7714
Cao, Zilin,Li, Tianjiang,Li, Genqian,et al. Modular growth and clonal propagation of Hippophae rhamnoides subsp sinensis in response to irrigation intensity[J]. 北京林业大学,2016,27(5):1019-1028.
APA Cao, Zilin.,Li, Tianjiang.,Li, Genqian.,Liu, Chunhong.,Gao, Haiyin.,...&Li, Sunling.(2016).Modular growth and clonal propagation of Hippophae rhamnoides subsp sinensis in response to irrigation intensity.JOURNAL OF FORESTRY RESEARCH,27(5),1019-1028.
MLA Cao, Zilin,et al."Modular growth and clonal propagation of Hippophae rhamnoides subsp sinensis in response to irrigation intensity".JOURNAL OF FORESTRY RESEARCH 27.5(2016):1019-1028.
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