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| Content Provider | Springer Nature Link |
|---|---|
| Author | Cao, Zilin Li, Tianjiang Li, Genqian Liu, Chunhong Gao, Haiyin Dai, Guanghui Xiao, Zhiyong Li, Sunling |
| Copyright Year | 2016 |
| Abstract | 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. |
| Starting Page | 1019 |
| Ending Page | 1028 |
| Page Count | 10 |
| File Format | |
| ISSN | 1007662X |
| Journal | Journal of Forestry Research |
| Volume Number | 27 |
| Issue Number | 5 |
| e-ISSN | 19930607 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-04-23 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Clonal propagation Hippophae rhamnoides subsp. sinensis Irrigation intensity Modular growth Forestry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Forestry |
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