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Positive effects of ectomycorrhizal colonization on growth of seedlings of a tropical tree across a range of forest floor light conditions

In a shadehouse experiment we tested the effects of light, nutrients and ectomycorrhizal fungi (EMF) on the growth of Vatica albiramis van Slooten (Dipterocarpaceae) seedlings. We hypothesised that it is more advantageous for plants to form connections with EMF and to trade carbon for nutrients with... Full description

Journal Title: Plant and soil 2011-01-01, Vol.338 (1/2), p.411-421
Main Author: Saner, Philippe
Other Authors: Philipson, Christopher , Ong, Robert C , Majalap, Noreen , Egli, Simon , Hector, Andy
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Dordrecht: Springer
ID: ISSN: 0032-079X
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23791478
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recordid: cdi_crossref_primary_10_1007_s11104_010_0555_3
title: Positive effects of ectomycorrhizal colonization on growth of seedlings of a tropical tree across a range of forest floor light conditions
format: Article
creator:
  • Saner, Philippe
  • Philipson, Christopher
  • Ong, Robert C
  • Majalap, Noreen
  • Egli, Simon
  • Hector, Andy
subjects:
  • 570 Life sciences
  • 590 Animals (Zoology)
  • Agronomy. Soil science and plant productions
  • Analysis
  • Animal, plant and microbial ecology
  • Biological and medical sciences
  • biology
  • Biomedical and Life Sciences
  • Borneo
  • Dipterocarp
  • Ecology
  • Economic plant physiology
  • Ectomycorrhizal colonization
  • Environmental Studies
  • Forest growth
  • Forest soils
  • Fundamental and applied biological sciences. Psychology
  • Fungi
  • General agronomy. Plant production
  • Growth
  • Institute of Evolutionary Biology
  • Life Sciences
  • Microbial colonization
  • Plant Physiology
  • Plant Sciences
  • Plants
  • Regular Article
  • Root tips
  • Seedling growth
  • Seedlings
  • Seeds
  • Soil nutrients
  • Soil science
  • Soil Science & Conservation
  • Soil solarization
  • Soil-plant relationships. Soil fertility
  • Soil-plant relationships. Soil fertility. Fertilization. Amendments
  • Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
  • Tropical rain forests
  • Vatica albiramis
ispartof: Plant and soil, 2011-01-01, Vol.338 (1/2), p.411-421
description: In a shadehouse experiment we tested the effects of light, nutrients and ectomycorrhizal fungi (EMF) on the growth of Vatica albiramis van Slooten (Dipterocarpaceae) seedlings. We hypothesised that it is more advantageous for plants to form connections with EMF and to trade carbon for nutrients with EMF under high light than low light. The relationship between seedling growth and the proportion of ectomycorrhizal root tips was expected as positive in high light and as negative in low light. Light conditions simulated the forest understory (low; 3% full sunlight), a small gap (medium; 11 %) and a large gap (high; 33%) and a fully factorial combination of nutrients (F-/+) and ectomycorrhizal colonization (EMF-/+) treatments were applied within light conditions. The application of EMF and nutrients did significantly alter seedling growth across the range of forest floor light conditions, however the key hypothesis was rejected as seedling growth under low light was not affected by increased EMF colonization of root tips (light:EMF colonization χ2=2.97, p=0.23). In addition, the lack of difference in morphotype abundance across light conditions indicated that light changes may not favour the association to specific EMF in seedlings of this particular dipterocarp species. Our results suggest that antagonistic (non-beneficial to the plant) effects due to ectomycorrhizal colonization under a light constrained environment may not affect seedling growth of Vatica albiramis.
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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titlePositive effects of ectomycorrhizal colonization on growth of seedlings of a tropical tree across a range of forest floor light conditions
creatorSaner, Philippe ; Philipson, Christopher ; Ong, Robert C ; Majalap, Noreen ; Egli, Simon ; Hector, Andy
contributorCotrufo, M. Francesca ; Paustian, Keith H ; Conant, Richard T ; Cotrufo, M. Francesca ; Conant, Richard T ; Paustian, Keith H
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descriptionIn a shadehouse experiment we tested the effects of light, nutrients and ectomycorrhizal fungi (EMF) on the growth of Vatica albiramis van Slooten (Dipterocarpaceae) seedlings. We hypothesised that it is more advantageous for plants to form connections with EMF and to trade carbon for nutrients with EMF under high light than low light. The relationship between seedling growth and the proportion of ectomycorrhizal root tips was expected as positive in high light and as negative in low light. Light conditions simulated the forest understory (low; 3% full sunlight), a small gap (medium; 11 %) and a large gap (high; 33%) and a fully factorial combination of nutrients (F-/+) and ectomycorrhizal colonization (EMF-/+) treatments were applied within light conditions. The application of EMF and nutrients did significantly alter seedling growth across the range of forest floor light conditions, however the key hypothesis was rejected as seedling growth under low light was not affected by increased EMF colonization of root tips (light:EMF colonization χ2=2.97, p=0.23). In addition, the lack of difference in morphotype abundance across light conditions indicated that light changes may not favour the association to specific EMF in seedlings of this particular dipterocarp species. Our results suggest that antagonistic (non-beneficial to the plant) effects due to ectomycorrhizal colonization under a light constrained environment may not affect seedling growth of Vatica albiramis.
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subject570 Life sciences ; 590 Animals (Zoology) ; Agronomy. Soil science and plant productions ; Analysis ; Animal, plant and microbial ecology ; Biological and medical sciences ; biology ; Biomedical and Life Sciences ; Borneo ; Dipterocarp ; Ecology ; Economic plant physiology ; Ectomycorrhizal colonization ; Environmental Studies ; Forest growth ; Forest soils ; Fundamental and applied biological sciences. Psychology ; Fungi ; General agronomy. Plant production ; Growth ; Institute of Evolutionary Biology ; Life Sciences ; Microbial colonization ; Plant Physiology ; Plant Sciences ; Plants ; Regular Article ; Root tips ; Seedling growth ; Seedlings ; Seeds ; Soil nutrients ; Soil science ; Soil Science & Conservation ; Soil solarization ; Soil-plant relationships. Soil fertility ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...) ; Tropical rain forests ; Vatica albiramis
ispartofPlant and soil, 2011-01-01, Vol.338 (1/2), p.411-421
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descriptionIn a shadehouse experiment we tested the effects of light, nutrients and ectomycorrhizal fungi (EMF) on the growth of Vatica albiramis van Slooten (Dipterocarpaceae) seedlings. We hypothesised that it is more advantageous for plants to form connections with EMF and to trade carbon for nutrients with EMF under high light than low light. The relationship between seedling growth and the proportion of ectomycorrhizal root tips was expected as positive in high light and as negative in low light. Light conditions simulated the forest understory (low; 3% full sunlight), a small gap (medium; 11 %) and a large gap (high; 33%) and a fully factorial combination of nutrients (F-/+) and ectomycorrhizal colonization (EMF-/+) treatments were applied within light conditions. The application of EMF and nutrients did significantly alter seedling growth across the range of forest floor light conditions, however the key hypothesis was rejected as seedling growth under low light was not affected by increased EMF colonization of root tips (light:EMF colonization χ2=2.97, p=0.23). In addition, the lack of difference in morphotype abundance across light conditions indicated that light changes may not favour the association to specific EMF in seedlings of this particular dipterocarp species. Our results suggest that antagonistic (non-beneficial to the plant) effects due to ectomycorrhizal colonization under a light constrained environment may not affect seedling growth of Vatica albiramis.
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1590 Animals (Zoology)
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3Analysis
4Animal, plant and microbial ecology
5Biological and medical sciences
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7Biomedical and Life Sciences
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30Seeds
31Soil nutrients
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33Soil Science & Conservation
34Soil solarization
35Soil-plant relationships. Soil fertility
36Soil-plant relationships. Soil fertility. Fertilization. Amendments
37Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
38Tropical rain forests
39Vatica albiramis
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titlePositive effects of ectomycorrhizal colonization on growth of seedlings of a tropical tree across a range of forest floor light conditions
authorSaner, Philippe ; Philipson, Christopher ; Ong, Robert C ; Majalap, Noreen ; Egli, Simon ; Hector, Andy
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abstractIn a shadehouse experiment we tested the effects of light, nutrients and ectomycorrhizal fungi (EMF) on the growth of Vatica albiramis van Slooten (Dipterocarpaceae) seedlings. We hypothesised that it is more advantageous for plants to form connections with EMF and to trade carbon for nutrients with EMF under high light than low light. The relationship between seedling growth and the proportion of ectomycorrhizal root tips was expected as positive in high light and as negative in low light. Light conditions simulated the forest understory (low; 3% full sunlight), a small gap (medium; 11 %) and a large gap (high; 33%) and a fully factorial combination of nutrients (F-/+) and ectomycorrhizal colonization (EMF-/+) treatments were applied within light conditions. The application of EMF and nutrients did significantly alter seedling growth across the range of forest floor light conditions, however the key hypothesis was rejected as seedling growth under low light was not affected by increased EMF colonization of root tips (light:EMF colonization χ2=2.97, p=0.23). In addition, the lack of difference in morphotype abundance across light conditions indicated that light changes may not favour the association to specific EMF in seedlings of this particular dipterocarp species. Our results suggest that antagonistic (non-beneficial to the plant) effects due to ectomycorrhizal colonization under a light constrained environment may not affect seedling growth of Vatica albiramis.
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