Physiology and development of two associated species under water deficit
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Iheringia. Série Botânica |
Texto Completo: | https://isb.emnuvens.com.br/iheringia/article/view/12 |
Resumo: | In agroforestry systems the coexistence of trees and crops favours conservation of the environment but can lead to competition between plants. This study therefore aimed to evaluate parameters of physiology and development in Cordia oncocalyx Allemão and maize (Zea mays L.) at two levels of irrigation, when grown together and separately in pots. Physiological and developmental variables were recorded for two sampling dates. The physiological processes were altered by the level of irrigation, with the worst results being recorded for plants grown at 50% of fi eld capacity, both in C. oncocalyx and maize. C. oncocalyx and maize displayed reduced in absolute growth rate, photosynthesis, stomatal conductance, and transpiration in relation to the soil moisture level and/or crop association. Thus both the reduced soil moisture and the association had a negative effect on plant development, refl ecting competition at both 100% and 50% of fi eld capacity. |
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Physiology and development of two associated species under water deficitFisiologia e desenvolvimento de duas espécies associadas sob déficit hídricoMaizeCordia oncocalyx Allemãoabsolute growth rategas exchangemilhoCordia oncocalyx Allemãotaxa de crescimento absolutotrocas gasosasIn agroforestry systems the coexistence of trees and crops favours conservation of the environment but can lead to competition between plants. This study therefore aimed to evaluate parameters of physiology and development in Cordia oncocalyx Allemão and maize (Zea mays L.) at two levels of irrigation, when grown together and separately in pots. Physiological and developmental variables were recorded for two sampling dates. The physiological processes were altered by the level of irrigation, with the worst results being recorded for plants grown at 50% of fi eld capacity, both in C. oncocalyx and maize. C. oncocalyx and maize displayed reduced in absolute growth rate, photosynthesis, stomatal conductance, and transpiration in relation to the soil moisture level and/or crop association. Thus both the reduced soil moisture and the association had a negative effect on plant development, refl ecting competition at both 100% and 50% of fi eld capacity.Em sistemas agrofl orestais a coexistência de árvores e culturas favorece a conservação do meio ambiente, mas pode levar à competição entre plantas. Nesse sentido, objetivou-se, avaliar parâmetros fi siológicos e de desenvolvimento de Cordia oncocalyx Allemão e do milho (Zea mays L. var. catingueiro) em dois níveis de irrigação, cultivados em associação e isoladamente em vasos. Variáveis fi siológicas e de desenvolvimento foram registradas em duas coletas. Os processos fi siológicos foram alterados pelo nível de irrigação, com os piores resultados registrados para aquelas desenvolvidas a 50% da capacidade de campo, tanto em C. oncocalyx quanto no milho. C. oncocalyx e milho tiveram fortes reduções na taxa de crescimento absoluto, fotossíntese, condutância estomática e transpiração relacionadas ao nível de umidade do solo e/ou à associação. Assim, a reduzida umidade do solo e a associação tiveram efeito negativo sobre o desenvolvimento das plantas, como refl exo da competição, tanto a 100% quanto a 50% da capacidade de campo.Iheringia. Série Botânica.Iheringia, Série Botânica.2014-05-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://isb.emnuvens.com.br/iheringia/article/view/12Iheringia. Série Botânica.; Vol. 69 No. 1 (2014); 167-174Iheringia, Série Botânica.; v. 69 n. 1 (2014); 167-1742446-82310073-4705reponame:Iheringia. Série Botânicainstname:Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)instacron:FZB/RSporhttps://isb.emnuvens.com.br/iheringia/article/view/12/12Copyright (c) 2015 Iheringia. Série Botânica.info:eu-repo/semantics/openAccessMendes, Marlete M. de S.Lacerda, Claudivan F. deOliveira, Teógenes S. de2016-07-06T20:01:56Zoai:ojs.emnuvens.com.br:article/12Revistahttps://isb.emnuvens.com.br/iheringiaONGhttps://isb.emnuvens.com.br/iheringia/oai||iheringia-bot@fzb.rs.gov.br2446-82310073-4705opendoar:2016-07-06T20:01:56Iheringia. Série Botânica - Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)false |
dc.title.none.fl_str_mv |
Physiology and development of two associated species under water deficit Fisiologia e desenvolvimento de duas espécies associadas sob déficit hídrico |
title |
Physiology and development of two associated species under water deficit |
spellingShingle |
Physiology and development of two associated species under water deficit Mendes, Marlete M. de S. Maize Cordia oncocalyx Allemão absolute growth rate gas exchange milho Cordia oncocalyx Allemão taxa de crescimento absoluto trocas gasosas |
title_short |
Physiology and development of two associated species under water deficit |
title_full |
Physiology and development of two associated species under water deficit |
title_fullStr |
Physiology and development of two associated species under water deficit |
title_full_unstemmed |
Physiology and development of two associated species under water deficit |
title_sort |
Physiology and development of two associated species under water deficit |
author |
Mendes, Marlete M. de S. |
author_facet |
Mendes, Marlete M. de S. Lacerda, Claudivan F. de Oliveira, Teógenes S. de |
author_role |
author |
author2 |
Lacerda, Claudivan F. de Oliveira, Teógenes S. de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Mendes, Marlete M. de S. Lacerda, Claudivan F. de Oliveira, Teógenes S. de |
dc.subject.por.fl_str_mv |
Maize Cordia oncocalyx Allemão absolute growth rate gas exchange milho Cordia oncocalyx Allemão taxa de crescimento absoluto trocas gasosas |
topic |
Maize Cordia oncocalyx Allemão absolute growth rate gas exchange milho Cordia oncocalyx Allemão taxa de crescimento absoluto trocas gasosas |
description |
In agroforestry systems the coexistence of trees and crops favours conservation of the environment but can lead to competition between plants. This study therefore aimed to evaluate parameters of physiology and development in Cordia oncocalyx Allemão and maize (Zea mays L.) at two levels of irrigation, when grown together and separately in pots. Physiological and developmental variables were recorded for two sampling dates. The physiological processes were altered by the level of irrigation, with the worst results being recorded for plants grown at 50% of fi eld capacity, both in C. oncocalyx and maize. C. oncocalyx and maize displayed reduced in absolute growth rate, photosynthesis, stomatal conductance, and transpiration in relation to the soil moisture level and/or crop association. Thus both the reduced soil moisture and the association had a negative effect on plant development, refl ecting competition at both 100% and 50% of fi eld capacity. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-05-17 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://isb.emnuvens.com.br/iheringia/article/view/12 |
url |
https://isb.emnuvens.com.br/iheringia/article/view/12 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://isb.emnuvens.com.br/iheringia/article/view/12/12 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2015 Iheringia. Série Botânica. info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2015 Iheringia. Série Botânica. |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Iheringia. Série Botânica. Iheringia, Série Botânica. |
publisher.none.fl_str_mv |
Iheringia. Série Botânica. Iheringia, Série Botânica. |
dc.source.none.fl_str_mv |
Iheringia. Série Botânica.; Vol. 69 No. 1 (2014); 167-174 Iheringia, Série Botânica.; v. 69 n. 1 (2014); 167-174 2446-8231 0073-4705 reponame:Iheringia. Série Botânica instname:Fundação Zoobotânica do Rio Grande do Sul (FZB/RS) instacron:FZB/RS |
instname_str |
Fundação Zoobotânica do Rio Grande do Sul (FZB/RS) |
instacron_str |
FZB/RS |
institution |
FZB/RS |
reponame_str |
Iheringia. Série Botânica |
collection |
Iheringia. Série Botânica |
repository.name.fl_str_mv |
Iheringia. Série Botânica - Fundação Zoobotânica do Rio Grande do Sul (FZB/RS) |
repository.mail.fl_str_mv |
||iheringia-bot@fzb.rs.gov.br |
_version_ |
1798948134236192768 |