Morphological and physiological plasticity of plant roots when nutrients are both spatially and temporally heterogeneous (Record no. 63267)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02088nam a2200229Ia 4500 |
| 100 ## - MAIN ENTRY--AUTHOR NAME | |
| Personal name | Mou Pu |
| 245 #0 - TITLE STATEMENT | |
| Title | Morphological and physiological plasticity of plant roots when nutrients are both spatially and temporally heterogeneous |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Name of publisher | Plant and Soil |
| Year of publication | 2013 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Number of Pages | 373-384 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc | Background and aims: Roots express morphological and physiological plasticity that may be adaptations for effecient nutrient capture when soil nutrients are heterogeneous in space and time. In terms of nutrient capture per unit of carbon invested in root, morphological plasticity should be more advantageous when nutrient patches are stable in time, and physiological plasticity when nutrients are variable in time. Methods: Here we examined both traits in two pinus species, Ailanthus altissima and Callistephus chinesis, grown in pots where the same total level of nutrient addition was provided in a factorial experiment with different levels of spatial and temporal variability. Results: Total plant root growth, root/Shoot ratios and morphological plasticity were less when nutrients were temporally variable instead of stable. Physiological plasticity was more variable than morphological across treatments and species and was not predictably greater when nutrient supply was pulsed instead of constant. Large variability, especially in physiological plasticity, was observed, and physiological plasticity was greater in non-woody than on woody species. Conclusions: Our results suggests that the two traits differ in environmental factors that control their expression, and that the nature of nutrient patchiness may have more direct impact on the evolution of morphological than physiological plasticity. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Morphological plasticity |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Physiological plasticity |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Root nutrient foraging |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Root/shoot ratio |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Soil nutrient heterogeneity |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Bao Zhe |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Chen Hongmei |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Jones HRobert |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Tan Zengquan |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Journals |
| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Serial Enumeration / chronology | Koha item type |
|---|---|---|---|---|---|---|---|---|---|
| Journals | RRII Library | RRII Library | Agronomy | 01/01/2021 | Volume 364, Issue 02-Jan | Journals |