Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.foreco.2020.118218 http://hdl.handle.net/11449/201752 |
Resumo: | We hypothesized that eucalyptus has clone-dependent responses to glyphosate, and such differential responses might be associated with morphological, metabolic and/or photosynthetic changes. Experiments were carried out under controlled conditions of temperature, photoperiod and nutrition, focusing on evaluating the response of Eucalyptus × urograndis clones (GG100 and I144) to increasing doses of glyphosate (0–1440 g ha−1 acid equivalent – AE) and to test whether a differential plant response would be associated to alterations in leaf morphology, plant and herbicide metabolism and photosynthesis. There was a significant reduction of plant height, stem diameter, number of leaves, leaf area and shoot dry mass caused by low doses of glyphosate (≤180 g AE ha−1, while a strong plant growth reduction (~60%) was caused by glyphosate field doses (≥720 g AE ha−1), in both clones. The GG100 clone was more susceptible to glyphosate field doses, while the I144 clone was more susceptible to glyphosate low doses. The stomatal index increased by 31% and the nervure thickness was reduced by 17% at 30 days after application of glyphosate at 180 g AE ha−1 (DAA) in the GG100 clone. Traces of glyphosate (<28 g mg−1 of dry mass) were found in leaf tissues of both clones at 1 DAA. Shikimic acid accumulated earlier (after 1 DAA) and in greater amounts (90%) in the I144 clone. Aminomethylphosphonic acid (AMPA) was not detected in either treated clone. The CO2 assimilation rate, transpiration rate and stomatal conductance were reduced earlier (after 1 DAA) and more intensely (65%) in the I144 clone. The clone-dependent response is apparently associated with changes in plant metabolism related to glyphosate mode of action and gas exchange response differences between the clones. |
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Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosateDose-responseEucalyptus urograndisHerbicideN-(phosphonomethyl)-glycinePlant metabolismPlant physiologyWe hypothesized that eucalyptus has clone-dependent responses to glyphosate, and such differential responses might be associated with morphological, metabolic and/or photosynthetic changes. Experiments were carried out under controlled conditions of temperature, photoperiod and nutrition, focusing on evaluating the response of Eucalyptus × urograndis clones (GG100 and I144) to increasing doses of glyphosate (0–1440 g ha−1 acid equivalent – AE) and to test whether a differential plant response would be associated to alterations in leaf morphology, plant and herbicide metabolism and photosynthesis. There was a significant reduction of plant height, stem diameter, number of leaves, leaf area and shoot dry mass caused by low doses of glyphosate (≤180 g AE ha−1, while a strong plant growth reduction (~60%) was caused by glyphosate field doses (≥720 g AE ha−1), in both clones. The GG100 clone was more susceptible to glyphosate field doses, while the I144 clone was more susceptible to glyphosate low doses. The stomatal index increased by 31% and the nervure thickness was reduced by 17% at 30 days after application of glyphosate at 180 g AE ha−1 (DAA) in the GG100 clone. Traces of glyphosate (<28 g mg−1 of dry mass) were found in leaf tissues of both clones at 1 DAA. Shikimic acid accumulated earlier (after 1 DAA) and in greater amounts (90%) in the I144 clone. Aminomethylphosphonic acid (AMPA) was not detected in either treated clone. The CO2 assimilation rate, transpiration rate and stomatal conductance were reduced earlier (after 1 DAA) and more intensely (65%) in the I144 clone. The clone-dependent response is apparently associated with changes in plant metabolism related to glyphosate mode of action and gas exchange response differences between the clones.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)São Paulo State University (Unesp) School of Agricultural and Veterinarian SciencesSão Paulo State University (Unesp) School of AgricultureUnited States Department of Agriculture/NPURU - Natural Product Utilization Research UnitSão Paulo State University (Unesp) School of Agricultural and Veterinarian SciencesSão Paulo State University (Unesp) School of AgricultureUniversidade Estadual Paulista (Unesp)United States Department of Agriculture/NPURU - Natural Product Utilization Research UnitCerveira Junior, Wilson Roberto [UNESP]Costa, Yanna Karoline Santos da [UNESP]Carbonari, Caio Antonio [UNESP]Duke, Stephen OscarAlves, Pedro Luis da Costa Aguiar [UNESP]Carvalho, Leonardo Bianco de [UNESP]2020-12-12T02:40:52Z2020-12-12T02:40:52Z2020-08-15info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1016/j.foreco.2020.118218Forest Ecology and Management, v. 470-471.0378-1127http://hdl.handle.net/11449/20175210.1016/j.foreco.2020.1182182-s2.0-85084656983Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengForest Ecology and Managementinfo:eu-repo/semantics/openAccess2024-06-06T13:04:11Zoai:repositorio.unesp.br:11449/201752Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-06-06T13:04:11Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
title |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
spellingShingle |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate Cerveira Junior, Wilson Roberto [UNESP] Dose-response Eucalyptus urograndis Herbicide N-(phosphonomethyl)-glycine Plant metabolism Plant physiology |
title_short |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
title_full |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
title_fullStr |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
title_full_unstemmed |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
title_sort |
Growth, morphological, metabolic and photosynthetic responses of clones of eucalyptus to glyphosate |
author |
Cerveira Junior, Wilson Roberto [UNESP] |
author_facet |
Cerveira Junior, Wilson Roberto [UNESP] Costa, Yanna Karoline Santos da [UNESP] Carbonari, Caio Antonio [UNESP] Duke, Stephen Oscar Alves, Pedro Luis da Costa Aguiar [UNESP] Carvalho, Leonardo Bianco de [UNESP] |
author_role |
author |
author2 |
Costa, Yanna Karoline Santos da [UNESP] Carbonari, Caio Antonio [UNESP] Duke, Stephen Oscar Alves, Pedro Luis da Costa Aguiar [UNESP] Carvalho, Leonardo Bianco de [UNESP] |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) United States Department of Agriculture/NPURU - Natural Product Utilization Research Unit |
dc.contributor.author.fl_str_mv |
Cerveira Junior, Wilson Roberto [UNESP] Costa, Yanna Karoline Santos da [UNESP] Carbonari, Caio Antonio [UNESP] Duke, Stephen Oscar Alves, Pedro Luis da Costa Aguiar [UNESP] Carvalho, Leonardo Bianco de [UNESP] |
dc.subject.por.fl_str_mv |
Dose-response Eucalyptus urograndis Herbicide N-(phosphonomethyl)-glycine Plant metabolism Plant physiology |
topic |
Dose-response Eucalyptus urograndis Herbicide N-(phosphonomethyl)-glycine Plant metabolism Plant physiology |
description |
We hypothesized that eucalyptus has clone-dependent responses to glyphosate, and such differential responses might be associated with morphological, metabolic and/or photosynthetic changes. Experiments were carried out under controlled conditions of temperature, photoperiod and nutrition, focusing on evaluating the response of Eucalyptus × urograndis clones (GG100 and I144) to increasing doses of glyphosate (0–1440 g ha−1 acid equivalent – AE) and to test whether a differential plant response would be associated to alterations in leaf morphology, plant and herbicide metabolism and photosynthesis. There was a significant reduction of plant height, stem diameter, number of leaves, leaf area and shoot dry mass caused by low doses of glyphosate (≤180 g AE ha−1, while a strong plant growth reduction (~60%) was caused by glyphosate field doses (≥720 g AE ha−1), in both clones. The GG100 clone was more susceptible to glyphosate field doses, while the I144 clone was more susceptible to glyphosate low doses. The stomatal index increased by 31% and the nervure thickness was reduced by 17% at 30 days after application of glyphosate at 180 g AE ha−1 (DAA) in the GG100 clone. Traces of glyphosate (<28 g mg−1 of dry mass) were found in leaf tissues of both clones at 1 DAA. Shikimic acid accumulated earlier (after 1 DAA) and in greater amounts (90%) in the I144 clone. Aminomethylphosphonic acid (AMPA) was not detected in either treated clone. The CO2 assimilation rate, transpiration rate and stomatal conductance were reduced earlier (after 1 DAA) and more intensely (65%) in the I144 clone. The clone-dependent response is apparently associated with changes in plant metabolism related to glyphosate mode of action and gas exchange response differences between the clones. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-12T02:40:52Z 2020-12-12T02:40:52Z 2020-08-15 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.foreco.2020.118218 Forest Ecology and Management, v. 470-471. 0378-1127 http://hdl.handle.net/11449/201752 10.1016/j.foreco.2020.118218 2-s2.0-85084656983 |
url |
http://dx.doi.org/10.1016/j.foreco.2020.118218 http://hdl.handle.net/11449/201752 |
identifier_str_mv |
Forest Ecology and Management, v. 470-471. 0378-1127 10.1016/j.foreco.2020.118218 2-s2.0-85084656983 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Forest Ecology and Management |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1803649467661942784 |