Chlorophyll fluorescence varies more across seasons than leaf water potential in drought-prone plants
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Academia Brasileira de Ciências
2016
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| author | BRUNO H.P. ROSADO |
| author_facet | BRUNO H.P. ROSADO |
| contents | Chlorophyll fluorescence varies more across seasons than leaf water potential in drought-prone plants BRUNO H.P. ROSADO EDUARDO A. DE MATTOS Multidisciplinaria (Ciencias Naturales y Exactas) plant Drought water relations photoinhibition functional traits Among the effects of environmental change, the intensifi cation of drought events is noteworthy, and tropical vegetation is predicted to be highly vulnerable to it. However, it is not clear how tropical plants in drought-prone habitats will respond to this change. In a coastal sandy plain environment, we evaluated the response of six plant species to water defi cits across seasons, the relationship between their morpho-physiological traits, and which traits would be the best descriptors of plants’ response to drought. Regardless of leaf succulence and phenology, responses between seasons were most strongly related to chlorophyll fl uorescence. In this study we have demonstrated that a better comprehension of how tropical species from drought-prone habitats cope with changes in water availability can be based on seasonal variation in leaf water potential and chlorophyll fl uorescence. Temporal variation in leaf water potential and chlorophyll fl uorescence was found useful for differentiating between groups of sandy soil species that are responsive or unresponsive to water availability. However, chlorophyll fl uorescence appeared to be a more sensitive descriptor of their seasonal and short-term responses. 2016 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32746362011 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.88 |
| format | Artículo científico |
| id | redalyc_32746362011 |
| institution | Redalyc |
| language | en |
| publishDate | 2016 |
| publisher | Academia Brasileira de Ciências |
| spellingShingle | Chlorophyll fluorescence varies more across seasons than leaf water potential in drought-prone plants BRUNO H.P. ROSADO Multidisciplinaria (Ciencias Naturales y Exactas) plant Drought water relations photoinhibition functional traits Chlorophyll fluorescence varies more across seasons than leaf water potential in drought-prone plants BRUNO H.P. ROSADO EDUARDO A. DE MATTOS Multidisciplinaria (Ciencias Naturales y Exactas) plant Drought water relations photoinhibition functional traits Among the effects of environmental change, the intensifi cation of drought events is noteworthy, and tropical vegetation is predicted to be highly vulnerable to it. However, it is not clear how tropical plants in drought-prone habitats will respond to this change. In a coastal sandy plain environment, we evaluated the response of six plant species to water defi cits across seasons, the relationship between their morpho-physiological traits, and which traits would be the best descriptors of plants’ response to drought. Regardless of leaf succulence and phenology, responses between seasons were most strongly related to chlorophyll fl uorescence. In this study we have demonstrated that a better comprehension of how tropical species from drought-prone habitats cope with changes in water availability can be based on seasonal variation in leaf water potential and chlorophyll fl uorescence. Temporal variation in leaf water potential and chlorophyll fl uorescence was found useful for differentiating between groups of sandy soil species that are responsive or unresponsive to water availability. However, chlorophyll fl uorescence appeared to be a more sensitive descriptor of their seasonal and short-term responses. 2016 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32746362011 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.1 Vol.88 |
| title | Chlorophyll fluorescence varies more across seasons than leaf water potential in drought-prone plants |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) plant Drought water relations photoinhibition functional traits |
| url | https://www.redalyc.org/articulo.oa?id=32746362011 |