Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae)
Irradiance elicits a large plasticity in leaf traits, but little is known about the modulation of this plasticity by ontogeny. Interactive effects of relative irradiance and ontogeny were assessed on leaf traits for two tropical rainforest tree species: Dicorynia guianensis Amshoff and Tachigali melinonii (Harms) Barneby (Fabaceae, Caesalpinioideae). Eleven morphological and physiological leaf traits, relative to photosynthetic performance, were measured on saplings at three different architectural development stages (ASD 1, 2 and 3) and used to derive composite traits like photosynthetic N-use efficiency. Measurements were made along a natural irradiance gradient. The effect of ASD was very visible and differed between the two species. For Dicorynia guianensis, only leaf mass-per-area (LMA) significantly increased with ASDs whereas for Tachigali melinonii, almost all traits were affected by ASD: LMA, leaf N content and photosynthetic capacity increased from ASD 1 to ASD 3. Photosynthetic N-use-efficiency was not affected by ASD in any species. Leaf traits were severely modulated by irradiance, whereas the degree of plasticity was very similar among ASDs. Only few interactions were detected between irradiance and ASD, for leaf thickness, carbon content, and the ratio Chl/N in T. melinonii and for photosynthetic capacity in D. guianensis. We conclude that ontogenic development and irradiance-elicited plasticity modulated leaf traits, with almost no interaction, i.e., the degree of irradiance-elicited plasticity was stable across development stages and independent of ontogeny in these two species, at least in the early stages of development assessed here.
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Subjects: | F60 - Physiologie et biochimie végétale, F50 - Anatomie et morphologie des plantes, plasticité phénotypique, feuille, forêt tropicale humide, analyse de tissu foliaire, photosynthèse, anatomie végétale, développement biologique, stade de développement végétal, http://aims.fao.org/aos/agrovoc/c_12386358, http://aims.fao.org/aos/agrovoc/c_4243, http://aims.fao.org/aos/agrovoc/c_7976, http://aims.fao.org/aos/agrovoc/c_36521, http://aims.fao.org/aos/agrovoc/c_5812, http://aims.fao.org/aos/agrovoc/c_5954, http://aims.fao.org/aos/agrovoc/c_921, http://aims.fao.org/aos/agrovoc/c_5959, |
Online Access: | http://agritrop.cirad.fr/596671/ http://agritrop.cirad.fr/596671/1/596671.pdf |
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dig-cirad-fr-5966712024-01-29T03:04:28Z http://agritrop.cirad.fr/596671/ http://agritrop.cirad.fr/596671/ Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae). Coste Sabrina, Roggy Jean-Christophe, Garraud Laurianne, Heuret Patrick, Nicolini Eric-André, Dreyer Erwin. 2009. Annals of Forest Science, 66 (7):709, 12 p.https://doi.org/10.1051/forest/2009062 <https://doi.org/10.1051/forest/2009062> Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) Coste, Sabrina Roggy, Jean-Christophe Garraud, Laurianne Heuret, Patrick Nicolini, Eric-André Dreyer, Erwin eng 2009 Annals of Forest Science F60 - Physiologie et biochimie végétale F50 - Anatomie et morphologie des plantes plasticité phénotypique feuille forêt tropicale humide analyse de tissu foliaire photosynthèse anatomie végétale développement biologique stade de développement végétal http://aims.fao.org/aos/agrovoc/c_12386358 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_36521 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_5954 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_5959 Irradiance elicits a large plasticity in leaf traits, but little is known about the modulation of this plasticity by ontogeny. Interactive effects of relative irradiance and ontogeny were assessed on leaf traits for two tropical rainforest tree species: Dicorynia guianensis Amshoff and Tachigali melinonii (Harms) Barneby (Fabaceae, Caesalpinioideae). Eleven morphological and physiological leaf traits, relative to photosynthetic performance, were measured on saplings at three different architectural development stages (ASD 1, 2 and 3) and used to derive composite traits like photosynthetic N-use efficiency. Measurements were made along a natural irradiance gradient. The effect of ASD was very visible and differed between the two species. For Dicorynia guianensis, only leaf mass-per-area (LMA) significantly increased with ASDs whereas for Tachigali melinonii, almost all traits were affected by ASD: LMA, leaf N content and photosynthetic capacity increased from ASD 1 to ASD 3. Photosynthetic N-use-efficiency was not affected by ASD in any species. Leaf traits were severely modulated by irradiance, whereas the degree of plasticity was very similar among ASDs. Only few interactions were detected between irradiance and ASD, for leaf thickness, carbon content, and the ratio Chl/N in T. melinonii and for photosynthetic capacity in D. guianensis. We conclude that ontogenic development and irradiance-elicited plasticity modulated leaf traits, with almost no interaction, i.e., the degree of irradiance-elicited plasticity was stable across development stages and independent of ontogeny in these two species, at least in the early stages of development assessed here. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/596671/1/596671.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1051/forest/2009062 10.1051/forest/2009062 info:eu-repo/semantics/altIdentifier/doi/10.1051/forest/2009062 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1051/forest/2009062 |
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F60 - Physiologie et biochimie végétale F50 - Anatomie et morphologie des plantes plasticité phénotypique feuille forêt tropicale humide analyse de tissu foliaire photosynthèse anatomie végétale développement biologique stade de développement végétal http://aims.fao.org/aos/agrovoc/c_12386358 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_36521 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_5954 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_5959 F60 - Physiologie et biochimie végétale F50 - Anatomie et morphologie des plantes plasticité phénotypique feuille forêt tropicale humide analyse de tissu foliaire photosynthèse anatomie végétale développement biologique stade de développement végétal http://aims.fao.org/aos/agrovoc/c_12386358 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_36521 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_5954 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_5959 |
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F60 - Physiologie et biochimie végétale F50 - Anatomie et morphologie des plantes plasticité phénotypique feuille forêt tropicale humide analyse de tissu foliaire photosynthèse anatomie végétale développement biologique stade de développement végétal http://aims.fao.org/aos/agrovoc/c_12386358 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_36521 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_5954 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_5959 F60 - Physiologie et biochimie végétale F50 - Anatomie et morphologie des plantes plasticité phénotypique feuille forêt tropicale humide analyse de tissu foliaire photosynthèse anatomie végétale développement biologique stade de développement végétal http://aims.fao.org/aos/agrovoc/c_12386358 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_36521 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_5954 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_5959 Coste, Sabrina Roggy, Jean-Christophe Garraud, Laurianne Heuret, Patrick Nicolini, Eric-André Dreyer, Erwin Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) |
description |
Irradiance elicits a large plasticity in leaf traits, but little is known about the modulation of this plasticity by ontogeny. Interactive effects of relative irradiance and ontogeny were assessed on leaf traits for two tropical rainforest tree species: Dicorynia guianensis Amshoff and Tachigali melinonii (Harms) Barneby (Fabaceae, Caesalpinioideae). Eleven morphological and physiological leaf traits, relative to photosynthetic performance, were measured on saplings at three different architectural development stages (ASD 1, 2 and 3) and used to derive composite traits like photosynthetic N-use efficiency. Measurements were made along a natural irradiance gradient. The effect of ASD was very visible and differed between the two species. For Dicorynia guianensis, only leaf mass-per-area (LMA) significantly increased with ASDs whereas for Tachigali melinonii, almost all traits were affected by ASD: LMA, leaf N content and photosynthetic capacity increased from ASD 1 to ASD 3. Photosynthetic N-use-efficiency was not affected by ASD in any species. Leaf traits were severely modulated by irradiance, whereas the degree of plasticity was very similar among ASDs. Only few interactions were detected between irradiance and ASD, for leaf thickness, carbon content, and the ratio Chl/N in T. melinonii and for photosynthetic capacity in D. guianensis. We conclude that ontogenic development and irradiance-elicited plasticity modulated leaf traits, with almost no interaction, i.e., the degree of irradiance-elicited plasticity was stable across development stages and independent of ontogeny in these two species, at least in the early stages of development assessed here. |
format |
article |
topic_facet |
F60 - Physiologie et biochimie végétale F50 - Anatomie et morphologie des plantes plasticité phénotypique feuille forêt tropicale humide analyse de tissu foliaire photosynthèse anatomie végétale développement biologique stade de développement végétal http://aims.fao.org/aos/agrovoc/c_12386358 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_7976 http://aims.fao.org/aos/agrovoc/c_36521 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_5954 http://aims.fao.org/aos/agrovoc/c_921 http://aims.fao.org/aos/agrovoc/c_5959 |
author |
Coste, Sabrina Roggy, Jean-Christophe Garraud, Laurianne Heuret, Patrick Nicolini, Eric-André Dreyer, Erwin |
author_facet |
Coste, Sabrina Roggy, Jean-Christophe Garraud, Laurianne Heuret, Patrick Nicolini, Eric-André Dreyer, Erwin |
author_sort |
Coste, Sabrina |
title |
Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) |
title_short |
Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) |
title_full |
Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) |
title_fullStr |
Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) |
title_full_unstemmed |
Does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? A test with Dicorynia guianensis and Tachigali melinonii (Fabaceae, Caesalpinioideae) |
title_sort |
does ontogeny modulate irradiance-elicited plasticity of leaf traits in saplings of rain-forest tree species? a test with dicorynia guianensis and tachigali melinonii (fabaceae, caesalpinioideae) |
url |
http://agritrop.cirad.fr/596671/ http://agritrop.cirad.fr/596671/1/596671.pdf |
work_keys_str_mv |
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