Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress

The Aspidosperma pyrifolium Mart. & Zucc. is one of the main species of Caatinga biome, a seasonally dry tropical forest in Brazilian Semi-arid, very prominsing for the restoration of degraded or desertified areas. The combined effects of salt and water stress on morphological dynamics, biom...

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Autores principales:	Fabiana da Conceição Sabino, Luciana Sandra Bastos de Souza, Marisa Adriana Gonçalves de Souza, João Paulo Alves de Barros, Leandro Ricardo Rodrigues de Lucena, Alexandre Maniçoba da Rosa Ferraz Jardim, Ana Karlla Penna Rocha, Thieres George Freire da Silva
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Caatinga Efficiency Salinity Water deficit Photosynthesis Transpiration Plant ecology QK900-989
Acceso en línea:	https://doaj.org/article/45c7632760e84a24bc19b1d588700e33
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spelling	oai:doaj.org-article:45c7632760e84a24bc19b1d588700e332021-12-04T04:36:34ZMorphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress2667-064X10.1016/j.stress.2021.100021https://doaj.org/article/45c7632760e84a24bc19b1d588700e332021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2667064X21000208https://doaj.org/toc/2667-064XThe Aspidosperma pyrifolium Mart. & Zucc. is one of the main species of Caatinga biome, a seasonally dry tropical forest in Brazilian Semi-arid, very prominsing for the restoration of degraded or desertified areas. The combined effects of salt and water stress on morphological dynamics, biomass accumulation and gas exchange in A. pyrifolium were investigated. The experiment was conducted in state of Pernambuco, Brazil. A completely randomised design was adopted, where the plants were submitted to four water regimes based on a percentage of the reference evapotranspiration (ET0): 25%, 50%, 75% and 100%.ET0, and four salinity levels, using NaCl: 0.2 (control), 1.8, 2.82 and 3.93 dS m−1. Biometric, biomass and gas exchange data were obtained, and water use efficiency, momentary and intrinsic water use efficiency were calculated. The water deficit affected stem diameter, and stem and root biomass. Gas exchange showed a reduction for an increase in salt and water stress. Momentary and intrinsic efficiency were maximized under a water regime of 65%.ET0 and an electrical conductivity of 1.51 dS m−1, and 67%.ET0 and 1.75 dS m−1, respectively. It is concluded that the species A. pyrifolium changes the biomass partitioning between the plant structures to compensate the salt and water stress.Fabiana da Conceição SabinoLuciana Sandra Bastos de SouzaMarisa Adriana Gonçalves de SouzaJoão Paulo Alves de BarrosLeandro Ricardo Rodrigues de LucenaAlexandre Maniçoba da Rosa Ferraz JardimAna Karlla Penna RochaThieres George Freire da SilvaElsevierarticleCaatingaEfficiencySalinityWater deficitPhotosynthesisTranspirationPlant ecologyQK900-989ENPlant Stress, Vol 2, Iss , Pp 100021- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Caatinga Efficiency Salinity Water deficit Photosynthesis Transpiration Plant ecology QK900-989
spellingShingle	Caatinga Efficiency Salinity Water deficit Photosynthesis Transpiration Plant ecology QK900-989 Fabiana da Conceição Sabino Luciana Sandra Bastos de Souza Marisa Adriana Gonçalves de Souza João Paulo Alves de Barros Leandro Ricardo Rodrigues de Lucena Alexandre Maniçoba da Rosa Ferraz Jardim Ana Karlla Penna Rocha Thieres George Freire da Silva Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress
description	The Aspidosperma pyrifolium Mart. & Zucc. is one of the main species of Caatinga biome, a seasonally dry tropical forest in Brazilian Semi-arid, very prominsing for the restoration of degraded or desertified areas. The combined effects of salt and water stress on morphological dynamics, biomass accumulation and gas exchange in A. pyrifolium were investigated. The experiment was conducted in state of Pernambuco, Brazil. A completely randomised design was adopted, where the plants were submitted to four water regimes based on a percentage of the reference evapotranspiration (ET0): 25%, 50%, 75% and 100%.ET0, and four salinity levels, using NaCl: 0.2 (control), 1.8, 2.82 and 3.93 dS m−1. Biometric, biomass and gas exchange data were obtained, and water use efficiency, momentary and intrinsic water use efficiency were calculated. The water deficit affected stem diameter, and stem and root biomass. Gas exchange showed a reduction for an increase in salt and water stress. Momentary and intrinsic efficiency were maximized under a water regime of 65%.ET0 and an electrical conductivity of 1.51 dS m−1, and 67%.ET0 and 1.75 dS m−1, respectively. It is concluded that the species A. pyrifolium changes the biomass partitioning between the plant structures to compensate the salt and water stress.
format	article
author	Fabiana da Conceição Sabino Luciana Sandra Bastos de Souza Marisa Adriana Gonçalves de Souza João Paulo Alves de Barros Leandro Ricardo Rodrigues de Lucena Alexandre Maniçoba da Rosa Ferraz Jardim Ana Karlla Penna Rocha Thieres George Freire da Silva
author_facet	Fabiana da Conceição Sabino Luciana Sandra Bastos de Souza Marisa Adriana Gonçalves de Souza João Paulo Alves de Barros Leandro Ricardo Rodrigues de Lucena Alexandre Maniçoba da Rosa Ferraz Jardim Ana Karlla Penna Rocha Thieres George Freire da Silva
author_sort	Fabiana da Conceição Sabino
title	Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress
title_short	Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress
title_full	Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress
title_fullStr	Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress
title_full_unstemmed	Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress
title_sort	morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in semi-arid brazilian areas affected by salt and water stress
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/45c7632760e84a24bc19b1d588700e33
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Morphological characteristics, biomass accumulation and gas exchange of an important species native for restoration in Semi-arid Brazilian areas affected by salt and water stress

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