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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bouda, Z. H N. Bayala, J. Markussen, B. Jensen, J. S. Ræbild, A. |
| Copyright Year | 2012 |
| Abstract | The effects of drought stress on growth and dry matter partitioning of seven provenances of Parkia biglobosa were assessed in a nursery experiment. Three different water regimes were applied: soil high, medium and low water content (HWC, MWC and LWC) corresponding respectively to 100, 75 and 50 % of field capacity. A split-plot experimental design was applied with the provenance as main plot and the water regime as sub-plot, replicated three times. Each provenance was represented by 30 seedlings in each replication, corresponding to three test periods with ten seedlings each (6, 12 and 18 months after water stress started). There were significant interactions between provenance and water regime for survival rate and the relative growth rates of diameter and height. After 18 months, the dry matter mean was 20.00 ± 0.65 g for the HWC regime, 11.50 ± 2.90 g for the MWC regime while all plants in the LWC regime died. After 6 months, the accumulated water use efficiency (WUE) showed significant differences between water regimes, but not between provenances. Seedlings from the LWC regime showed higher WUE than those from the MWC regime. However, the HWC regime displayed the highest mean value of WUE. Despite differences between provenances, it was not possible to clearly separate them according to the geographical position or climatic parameters, based on the growth performance or both fresh to dry weight and shoot to root dry weight ratios. |
| Starting Page | 59 |
| Ending Page | 71 |
| Page Count | 13 |
| File Format | |
| ISSN | 01674366 |
| Journal | Agroforestry Systems |
| Volume Number | 87 |
| Issue Number | 1 |
| e-ISSN | 15729680 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2012-05-24 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Adaptation Drought tolerance Sahel Shoot–root ratio Relative growth rate Forestry Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Forestry Agronomy and Crop Science |
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