Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress

Detalhes bibliográficos
Autor(a) principal: Melo,Hidelblandi F. de
Data de Publicação: 2016
Outros Autores: Souza,Edivan R. de, Almeida,Brivaldo G. de, Freire,Maria B. G. dos S., Maia,Fabíola E.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista Brasileira de Engenharia Agrícola e Ambiental (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000200144
Resumo: ABSTRACT Atriplex nummularia is a halophyte of great importance in the recovery of saline soils and is considered as a model plant to study biosaline scenarios. This study aimed to evaluate biometric parameters, biomass production and the accumulation of ions in A. nummularia grown under abiotic stresses. Cultivation was carried out in a Fluvic Neosol for 100 days, adopting two water regimes: 37 and 70% of field capacity. Plants were irrigated with saline solutions containing two types of salts (NaCl and a mixture of NaCl, KCl, MgCl2 and CaCl2) at six levels of electrical conductivity: 0, 5, 10, 20, 30 and 40 dS m-1, arranged in a 6 x 2 x 2 factorial with 4 replicates, forming 96 plots. At the end of the experiment, plants were divided into leaves, stem and roots, for the determination of fresh matter (FM), dry matter (DM) and estimated leaf area (LA), besides the contents of Ca2+, Mg2+, Na+, K+ and Cl-. The type of salt did not influence plant growth or biomass production; however, it influenced the levels of Ca2+, Mg2+, Na+ and Cl- in the leaves and Mg2+, K+ and Cl- in the roots. Increase in salinity reduced the contents of Ca2+, Mg2+, Na+, K+ and Cl- for all treatments.
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spelling Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stresssalt extractionnutritional statushalophytesBrazilian semiaridABSTRACT Atriplex nummularia is a halophyte of great importance in the recovery of saline soils and is considered as a model plant to study biosaline scenarios. This study aimed to evaluate biometric parameters, biomass production and the accumulation of ions in A. nummularia grown under abiotic stresses. Cultivation was carried out in a Fluvic Neosol for 100 days, adopting two water regimes: 37 and 70% of field capacity. Plants were irrigated with saline solutions containing two types of salts (NaCl and a mixture of NaCl, KCl, MgCl2 and CaCl2) at six levels of electrical conductivity: 0, 5, 10, 20, 30 and 40 dS m-1, arranged in a 6 x 2 x 2 factorial with 4 replicates, forming 96 plots. At the end of the experiment, plants were divided into leaves, stem and roots, for the determination of fresh matter (FM), dry matter (DM) and estimated leaf area (LA), besides the contents of Ca2+, Mg2+, Na+, K+ and Cl-. The type of salt did not influence plant growth or biomass production; however, it influenced the levels of Ca2+, Mg2+, Na+ and Cl- in the leaves and Mg2+, K+ and Cl- in the roots. Increase in salinity reduced the contents of Ca2+, Mg2+, Na+, K+ and Cl- for all treatments.Departamento de Engenharia Agrícola - UFCG2016-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000200144Revista Brasileira de Engenharia Agrícola e Ambiental v.20 n.2 2016reponame:Revista Brasileira de Engenharia Agrícola e Ambiental (Online)instname:Universidade Federal de Campina Grande (UFCG)instacron:UFCG10.1590/1807-1929/agriambi.v20n2p144-151info:eu-repo/semantics/openAccessMelo,Hidelblandi F. deSouza,Edivan R. deAlmeida,Brivaldo G. deFreire,Maria B. G. dos S.Maia,Fabíola E.eng2016-01-21T00:00:00Zoai:scielo:S1415-43662016000200144Revistahttp://www.scielo.br/rbeaaPUBhttps://old.scielo.br/oai/scielo-oai.php||agriambi@agriambi.com.br1807-19291415-4366opendoar:2016-01-21T00:00Revista Brasileira de Engenharia Agrícola e Ambiental (Online) - Universidade Federal de Campina Grande (UFCG)false
dc.title.none.fl_str_mv Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
title Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
spellingShingle Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
Melo,Hidelblandi F. de
salt extraction
nutritional status
halophytes
Brazilian semiarid
title_short Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
title_full Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
title_fullStr Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
title_full_unstemmed Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
title_sort Growth, biomass production and ions accumulation in Atriplex nummularia Lindl grown under abiotic stress
author Melo,Hidelblandi F. de
author_facet Melo,Hidelblandi F. de
Souza,Edivan R. de
Almeida,Brivaldo G. de
Freire,Maria B. G. dos S.
Maia,Fabíola E.
author_role author
author2 Souza,Edivan R. de
Almeida,Brivaldo G. de
Freire,Maria B. G. dos S.
Maia,Fabíola E.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Melo,Hidelblandi F. de
Souza,Edivan R. de
Almeida,Brivaldo G. de
Freire,Maria B. G. dos S.
Maia,Fabíola E.
dc.subject.por.fl_str_mv salt extraction
nutritional status
halophytes
Brazilian semiarid
topic salt extraction
nutritional status
halophytes
Brazilian semiarid
description ABSTRACT Atriplex nummularia is a halophyte of great importance in the recovery of saline soils and is considered as a model plant to study biosaline scenarios. This study aimed to evaluate biometric parameters, biomass production and the accumulation of ions in A. nummularia grown under abiotic stresses. Cultivation was carried out in a Fluvic Neosol for 100 days, adopting two water regimes: 37 and 70% of field capacity. Plants were irrigated with saline solutions containing two types of salts (NaCl and a mixture of NaCl, KCl, MgCl2 and CaCl2) at six levels of electrical conductivity: 0, 5, 10, 20, 30 and 40 dS m-1, arranged in a 6 x 2 x 2 factorial with 4 replicates, forming 96 plots. At the end of the experiment, plants were divided into leaves, stem and roots, for the determination of fresh matter (FM), dry matter (DM) and estimated leaf area (LA), besides the contents of Ca2+, Mg2+, Na+, K+ and Cl-. The type of salt did not influence plant growth or biomass production; however, it influenced the levels of Ca2+, Mg2+, Na+ and Cl- in the leaves and Mg2+, K+ and Cl- in the roots. Increase in salinity reduced the contents of Ca2+, Mg2+, Na+, K+ and Cl- for all treatments.
publishDate 2016
dc.date.none.fl_str_mv 2016-02-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000200144
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dc.language.iso.fl_str_mv eng
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dc.relation.none.fl_str_mv 10.1590/1807-1929/agriambi.v20n2p144-151
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dc.publisher.none.fl_str_mv Departamento de Engenharia Agrícola - UFCG
publisher.none.fl_str_mv Departamento de Engenharia Agrícola - UFCG
dc.source.none.fl_str_mv Revista Brasileira de Engenharia Agrícola e Ambiental v.20 n.2 2016
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instname_str Universidade Federal de Campina Grande (UFCG)
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