TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR
Ano de defesa: | 2015 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade do Oeste Paulista
|
Programa de Pós-Graduação: |
Mestrado em Meio Ambiente e Desenvolvimento Regional
|
Departamento: |
Ciências Ambientais
|
País: |
BR
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://bdtd.unoeste.br:8080/tede/handle/tede/342 |
Resumo: | A growing body of evidence shows that plants anticipate responses of stress as a result of signals transmitted by neighboring plants. Transmit signal of lack of water between plants is a factor that adds complexity in the dynamics of populations, communities and ecosystems. Knowing more about this ability of plants can be useful for agriculture, mainly agro-forestry systems, and for reforestation efforts. By this way, this job was done to try to find more evidences of lack of water signaling transmission. To do this, stomata aperture related parameters (leaf temperature and leaf turgor pressure) were used to find possible effects of plants under lack of water on their neighborhood. Stomatal aperture, leaf temperature and leaf turgor pressure are parameters that indicates plant water status. Two experiments were done, one measured leaf temperature, and other leaf turgor pressure. Glycine max was used as experimental model. The seedlings roots were pruned, leaving only two roots similar per plant ("split-root"). The split-root plants were arranged in sets, with 4 pots and 3 plants (with each plant roots was divided into two pots). To induce sudden lack of water, mannitol solution was used (-2MPa), applied in the first pot. Leaf temperature was monitored by thermographic camera, and the leaf turgor was monitored by magnetic probe leaf turgor pressure (ZIM-probe). Data analysis was based on graphic interpretation. Leaf temperature variation was synchronous among plants of each set. The variation of leaf turgor in the day of induction to stress was completely changed from the previous day in half of sets. The sets which turgor variation was changed also showed sync. Environmental conditions, namely air temperature, and air relative humidity, were monitored and showed no correlations with the variation in leaf temperature or leaf turgor pressure. Sync indicates that there was communication. It is possible that lack of water communication among plants increases population stability. Stability in population can increase the fitness. So, it is possible that communication of lack of water among plants is a characteristic that has been shaped by natural selection, and distributed among taxa. |
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Souza, Gustavo MaiaCPF:17566602802http://lattes.cnpq.br/3664441705741783Silva, Paulo AntônioCPF:27006665850http://lattes.cnpq.br/6213603526706261Almeida, Luiz Fernando Rolim deCPF:26928312840http://lattes.cnpq.br/7164433055940742CPF:39137535838http://lattes.cnpq.br/2766450798940287Toledo, Gabriel Ricardo Aguilera de2016-01-26T18:56:04Z2015-06-122015-06-03TOLEDO, Gabriel Ricardo Aguilera de. Lack of water signaling transmission among plants: effects leaf temperature and on leaf turgor pressure. 2015. 66 f. Dissertação (Mestrado em Ciências Ambientais) - Universidade do Oeste Paulista, Presidente Prudente, 2015.http://bdtd.unoeste.br:8080/tede/handle/tede/342A growing body of evidence shows that plants anticipate responses of stress as a result of signals transmitted by neighboring plants. Transmit signal of lack of water between plants is a factor that adds complexity in the dynamics of populations, communities and ecosystems. Knowing more about this ability of plants can be useful for agriculture, mainly agro-forestry systems, and for reforestation efforts. By this way, this job was done to try to find more evidences of lack of water signaling transmission. To do this, stomata aperture related parameters (leaf temperature and leaf turgor pressure) were used to find possible effects of plants under lack of water on their neighborhood. Stomatal aperture, leaf temperature and leaf turgor pressure are parameters that indicates plant water status. Two experiments were done, one measured leaf temperature, and other leaf turgor pressure. Glycine max was used as experimental model. The seedlings roots were pruned, leaving only two roots similar per plant ("split-root"). The split-root plants were arranged in sets, with 4 pots and 3 plants (with each plant roots was divided into two pots). To induce sudden lack of water, mannitol solution was used (-2MPa), applied in the first pot. Leaf temperature was monitored by thermographic camera, and the leaf turgor was monitored by magnetic probe leaf turgor pressure (ZIM-probe). Data analysis was based on graphic interpretation. Leaf temperature variation was synchronous among plants of each set. The variation of leaf turgor in the day of induction to stress was completely changed from the previous day in half of sets. The sets which turgor variation was changed also showed sync. Environmental conditions, namely air temperature, and air relative humidity, were monitored and showed no correlations with the variation in leaf temperature or leaf turgor pressure. Sync indicates that there was communication. It is possible that lack of water communication among plants increases population stability. Stability in population can increase the fitness. So, it is possible that communication of lack of water among plants is a characteristic that has been shaped by natural selection, and distributed among taxa.É crescente o número de evidências de que plantas antecipam respostas a estresses em consequência da sinalização emitida por plantas vizinhas. Transmitir sinal de falta de água entre plantas é um fator que acrescenta complexidade na dinâmica de populações, comunidades e ecossistemas. Conhecer mais sobre essa capacidade das plantas pode ser útil para agricultura, principalmente sistemas agro- florestais, e para esforços de reflorestamento. Sendo assim, este trabalho foi realizado para tentar encontrar mais evidências da transmissão de sinal de falta de água entre plantas. Para tanto, foram utilizados parâmetros relacionados à abertura estomática (temperatura e turgor foliar) para medir os efeitos de uma planta sob falta de água sobre plantas vizinhas. A abertura estomática, a temperatura e o turgor foliar são parâmetros indicativos do status hídrico. Foram realizados dois experimentos, um medindo a temperatura, outro a pressão de turgor foliar. Foi usado Glycine max como modelo experimental. As plântulas foram submetidas à poda, deixando-se apenas duas raízes semelhantes por planta ( split-root ). As mudas foram arranjadas em séries com 4 potes e 3 plantas (cada planta ficou com suas raízes divididas entre dois potes). Para induzir falta de água repentina, foi utilizada solução de manitol (-2 MPa), aplicado no primeiro pote. A temperatura foliar foi monitorada com uma câmera termográfica e o turgor foliar foi monitorado pela sonda magnética de pressão de turgor foliar (ZIM-probe). A análise dos dados foi feita em cima da interpretação dos gráficos. A variação de temperatura foliar aconteceu de forma sincrônica entre as plantas de cada série. A variação do turgor foliar foi totalmente alterada depois do estresse em metade das repetições. Nas séries onde o turgor foi alterado houve sincronia também. As condições ambientais de temperatura do ar, e de umidade relativa do ar, foram monitoradas e não mostram correlação com as variações de temperatura e turgor foliar. A sincronia indica que tenha havido comunicação. É possível que a comunicação de falta de água aumente a estabilidade de populações. Populações mais estáveis podem ter mais chances de deixar mais descendentes para próximas gerações. Assim, é provável que a capacidade de comunicar a falta de água a outras plantas seja uma característica moldada pela seleção natural e distribuída dentre os táxons.Made available in DSpace on 2016-01-26T18:56:04Z (GMT). No. of bitstreams: 1 Gabriel Toledo.pdf: 1422789 bytes, checksum: bc7db628d8c25a109a8bfd6111bb65d4 (MD5) Previous issue date: 2015-06-03application/pdfhttp://bdtd.unoeste.br:8080/tede/retrieve/785/Gabriel%20Toledo.pdf.jpgporUniversidade do Oeste PaulistaMestrado em Meio Ambiente e Desenvolvimento RegionalUNOESTEBRCiências AmbientaisComunicaçãoPlantasFalta de águaTermografiaTurgor foliarCommunicationPlantLack of waterThermographyLeaf turgor pressureCNPQ::TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIARLack of water signaling transmission among plants: effects leaf temperature and on leaf turgor pressureinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis546819605447548857500info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UNOESTEinstname:Universidade do Oeste Paulista (UNOESTE)instacron:UNOESTEORIGINALGabriel Toledo.pdfapplication/pdf1422789http://bdtd.unoeste.br:8080/tede/bitstream/tede/342/1/Gabriel+Toledo.pdfbc7db628d8c25a109a8bfd6111bb65d4MD51THUMBNAILGabriel Toledo.pdf.jpgGabriel Toledo.pdf.jpgimage/jpeg2179http://bdtd.unoeste.br:8080/tede/bitstream/tede/342/2/Gabriel+Toledo.pdf.jpg01a3bf5869d25756f643066aef98b98bMD52tede/3422016-01-27 01:03:41.678oai:bdtd.unoeste.br:tede/342Biblioteca Digital de Teses e Dissertaçõeshttp://bdtd.unoeste.br:8080/jspui/PUBhttp://bdtd.unoeste.br:8080/oai/requestbdtd@unoeste.bropendoar:2016-01-27T03:03:41Biblioteca Digital de Teses e Dissertações da UNOESTE - Universidade do Oeste Paulista (UNOESTE)false |
dc.title.por.fl_str_mv |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
dc.title.alternative.eng.fl_str_mv |
Lack of water signaling transmission among plants: effects leaf temperature and on leaf turgor pressure |
title |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
spellingShingle |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR Toledo, Gabriel Ricardo Aguilera de Comunicação Plantas Falta de água Termografia Turgor foliar Communication Plant Lack of water Thermography Leaf turgor pressure CNPQ:: |
title_short |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
title_full |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
title_fullStr |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
title_full_unstemmed |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
title_sort |
TRANSMISSÃO DE SINAL DE FALTA DE ÁGUA ENTRE PLANTAS: EFEITOS SOBRE A TEMPERATURA E A PRESSÃO DE TURGOR FOLIAR |
author |
Toledo, Gabriel Ricardo Aguilera de |
author_facet |
Toledo, Gabriel Ricardo Aguilera de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Souza, Gustavo Maia |
dc.contributor.advisor1ID.fl_str_mv |
CPF:17566602802 |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/3664441705741783 |
dc.contributor.referee1.fl_str_mv |
Silva, Paulo Antônio |
dc.contributor.referee1ID.fl_str_mv |
CPF:27006665850 |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/6213603526706261 |
dc.contributor.referee2.fl_str_mv |
Almeida, Luiz Fernando Rolim de |
dc.contributor.referee2ID.fl_str_mv |
CPF:26928312840 |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/7164433055940742 |
dc.contributor.authorID.fl_str_mv |
CPF:39137535838 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2766450798940287 |
dc.contributor.author.fl_str_mv |
Toledo, Gabriel Ricardo Aguilera de |
contributor_str_mv |
Souza, Gustavo Maia Silva, Paulo Antônio Almeida, Luiz Fernando Rolim de |
dc.subject.por.fl_str_mv |
Comunicação Plantas Falta de água Termografia Turgor foliar |
topic |
Comunicação Plantas Falta de água Termografia Turgor foliar Communication Plant Lack of water Thermography Leaf turgor pressure CNPQ:: |
dc.subject.eng.fl_str_mv |
Communication Plant Lack of water Thermography Leaf turgor pressure |
dc.subject.cnpq.fl_str_mv |
CNPQ:: |
description |
A growing body of evidence shows that plants anticipate responses of stress as a result of signals transmitted by neighboring plants. Transmit signal of lack of water between plants is a factor that adds complexity in the dynamics of populations, communities and ecosystems. Knowing more about this ability of plants can be useful for agriculture, mainly agro-forestry systems, and for reforestation efforts. By this way, this job was done to try to find more evidences of lack of water signaling transmission. To do this, stomata aperture related parameters (leaf temperature and leaf turgor pressure) were used to find possible effects of plants under lack of water on their neighborhood. Stomatal aperture, leaf temperature and leaf turgor pressure are parameters that indicates plant water status. Two experiments were done, one measured leaf temperature, and other leaf turgor pressure. Glycine max was used as experimental model. The seedlings roots were pruned, leaving only two roots similar per plant ("split-root"). The split-root plants were arranged in sets, with 4 pots and 3 plants (with each plant roots was divided into two pots). To induce sudden lack of water, mannitol solution was used (-2MPa), applied in the first pot. Leaf temperature was monitored by thermographic camera, and the leaf turgor was monitored by magnetic probe leaf turgor pressure (ZIM-probe). Data analysis was based on graphic interpretation. Leaf temperature variation was synchronous among plants of each set. The variation of leaf turgor in the day of induction to stress was completely changed from the previous day in half of sets. The sets which turgor variation was changed also showed sync. Environmental conditions, namely air temperature, and air relative humidity, were monitored and showed no correlations with the variation in leaf temperature or leaf turgor pressure. Sync indicates that there was communication. It is possible that lack of water communication among plants increases population stability. Stability in population can increase the fitness. So, it is possible that communication of lack of water among plants is a characteristic that has been shaped by natural selection, and distributed among taxa. |
publishDate |
2015 |
dc.date.available.fl_str_mv |
2015-06-12 |
dc.date.issued.fl_str_mv |
2015-06-03 |
dc.date.accessioned.fl_str_mv |
2016-01-26T18:56:04Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
TOLEDO, Gabriel Ricardo Aguilera de. Lack of water signaling transmission among plants: effects leaf temperature and on leaf turgor pressure. 2015. 66 f. Dissertação (Mestrado em Ciências Ambientais) - Universidade do Oeste Paulista, Presidente Prudente, 2015. |
dc.identifier.uri.fl_str_mv |
http://bdtd.unoeste.br:8080/tede/handle/tede/342 |
identifier_str_mv |
TOLEDO, Gabriel Ricardo Aguilera de. Lack of water signaling transmission among plants: effects leaf temperature and on leaf turgor pressure. 2015. 66 f. Dissertação (Mestrado em Ciências Ambientais) - Universidade do Oeste Paulista, Presidente Prudente, 2015. |
url |
http://bdtd.unoeste.br:8080/tede/handle/tede/342 |
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por |
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por |
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546819605447548857 |
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500 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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Universidade do Oeste Paulista |
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Mestrado em Meio Ambiente e Desenvolvimento Regional |
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UNOESTE |
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BR |
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Ciências Ambientais |
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Universidade do Oeste Paulista |
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Biblioteca Digital de Teses e Dissertações da UNOESTE |
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