Citation
Lebron L., . and Myster R. W., . and Loayza A. B. P., . and Zimmerman J. K., . Mycotrophic strategy of 13 common neotropical trees and shrubs. pp. 34-41. ISSN 0128-1283
Abstract
We conducted a greenhouse experiment using common Puerto Rican trees and shrubs that span the spectrum of neotropic life histories. Our working hypothesis was that species had a higher colonisation rate of arbuscular mycorrhizal fungi (AMF) as they established further and further after a disturbance (quantified as increasing seed size). Results suggested that (1) Cecropia schreberiana and Schefflera morototoni were weakly-facultative mycorrhizal (2) Casearia arborea Inga laurina and Guarea guidonia were strongly-facultative mycorrhizal and (3) Piper glabrescens Tabebuia heterophylla Palicourea riparia Buchenaria capitata and Dacryodes excelsa were obligately mycorrhizal with (4) Psychotria berteriana Prestoea montana and Manilkara bidentata also obligate but at a reduced level. In general these species were adapted to low inorganic phosphorus colonised well with AMF and agreed with our working hypothesis; however three shrub species (Piper Palicourea Psychotria) did not. Finally we also found that shade tolerance of the test species corresponded with the AMF results better than their wood density or drought tolerance.
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Abstract
We conducted a greenhouse experiment using common Puerto Rican trees and shrubs that span the spectrum of neotropic life histories. Our working hypothesis was that species had a higher colonisation rate of arbuscular mycorrhizal fungi (AMF) as they established further and further after a disturbance (quantified as increasing seed size). Results suggested that (1) Cecropia schreberiana and Schefflera morototoni were weakly-facultative mycorrhizal (2) Casearia arborea Inga laurina and Guarea guidonia were strongly-facultative mycorrhizal and (3) Piper glabrescens Tabebuia heterophylla Palicourea riparia Buchenaria capitata and Dacryodes excelsa were obligately mycorrhizal with (4) Psychotria berteriana Prestoea montana and Manilkara bidentata also obligate but at a reduced level. In general these species were adapted to low inorganic phosphorus colonised well with AMF and agreed with our working hypothesis; however three shrub species (Piper Palicourea Psychotria) did not. Finally we also found that shade tolerance of the test species corresponded with the AMF results better than their wood density or drought tolerance.
Additional Metadata
Item Type: | Article |
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AGROVOC Term: | Neotropical region |
AGROVOC Term: | Shrubs |
AGROVOC Term: | Trees |
AGROVOC Term: | Mycorrhizal infection |
AGROVOC Term: | Fungi |
AGROVOC Term: | Cecropia |
AGROVOC Term: | Schefflera |
AGROVOC Term: | Phosphorus |
Depositing User: | Ms. Suzila Mohamad Kasim |
Last Modified: | 24 Apr 2025 06:26 |
URI: | http://webagris.upm.edu.my/id/eprint/21222 |
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