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| Format: | Artículo científico |
| Language: | en |
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Academia Brasileira de Ciências
2015
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| Online Access: | https://www.redalyc.org/articulo.oa?id=32738838045 |
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Table of Contents:
- Phenotypic plasticity of Neonotonia wightii and Pueraria phaseoloides grown under different light intensities LEONARDO D.T. SANTOS LEANDRO R. DA CRUZ SAMUEL A. DOS SANTOS BRUNO F. SANT’ANNA-SANTOS IZABELA T. DOS SANTOS ARIANE M. DE OLIVEIRA RODRIGO E. BARROS MÁRCIA V. SANTOS RODRIGO M. FARIA Multidisciplinaria (Ciencias Naturales y Exactas) shading Fabaceae Adaptation morphophysiology Plants have the ability to undergo morphophysiological changes based on availability of light. The present study evaluated biomass accumulation, leaf morphoanatomy and physiology of Neonotonia wightii and Pueraria phaseoloides grown in full sunlight, as well as in 30% and 50% shade. Two assays were performed, one for each species, using a randomized block design with 10 replicates. A higher accumulation of fresh mass in the shoot of the plants was observed for both species under cultivation in 50% shade, while no differences were detected between the full sunlight and 30% shade. N. wightii and P. phaseoloides showed increase in area and reduction in thickness leaf when cultivated in 50% shade. There were no changes in photosynthetic rate, stomatal conductance, water use efficiency and evapotranspiration of P. phaseoloides plants because growth environment. However, the shade treatments caused alterations in physiological parameters of N. wightii. In both species, structural changes in the mesophyll occurred depending on the availability of light; however, the amount of leaf blade tissue remained unaltered. Despite the influence of light intensity variation on the morphophysiological plasticity of N. wightii and P. phaseoloides, no effects on biomass accumulation were observed in response to light. 2015 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32738838045 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.87