Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas
Autor(a) principal: | |
---|---|
Data de Publicação: | 2017 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Repositório Institucional Manancial UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/11631 |
Resumo: | Mancozeb has been the protective fungicide with a multi-site mechanism widely used associated with fungicide programs in soybean cultivation. This compound has provided significant increases in the systemic fungicides performance in the soybean rust control. Besides the obvious fungicide effect, mancozeb has provided also effects on physiological parameters in plants promoting benefits such as fungicide phytotoxicity reduction and increases in plant vigor. The studies aimed to understand the interaction of mancozeb associated to systemic fungicides against the soybean rust control, in addition to determine the physiological plants responses from the product versus plant relation. The experiments were conducted in greenhouse and field, divided in four chapters in manuscript format. The first study investigates the effect of the mancozeb interaction with commercial mixtures of QoI + DMI based on two methodologies. From this, it was possible to verify that mancozeb increases significantly the control efficiency when associated with less efficient mixtures. In such interactions was obtained a control synergistic response. However it is expected at least an additive response, when associated to mixtures with high efficiency, the increase in control is lower. The second study consisted of the enzymes activity linked to the antioxidant response, the photosynthetic pigments concentration and lipid peroxidation investigation in plants exposed to the fungicide trifloxystrobin + prothioconazole, with potential to cause phytotoxicity, associated or not with mancozeb. Antioxidant enzymes activity increase, reduction in pigment concentration and cell damage due to increased lipid peroxidation were observed in plants exposed to systemic fungicide. These damages were attenuated when the systemic fungicide was associated with mancozeb. Moreover, photosynthesis and chlorophyll a fluorescence parameters were analyzed in plants exposed to mancozeb and trifloxystrobin + prothioconazole, constituting the third study. Decreased in the photosynthetic efficiency was verified in plants treated with systemic fungicide characterizing a significant phytotoxic effect. The parameters evaluated elucidate a beneficial effect of mancozeb reducing the damages caused by the systemic fungicide. The fourth study aimed to evaluate changes in the leaves soybean nutritional status exposed to mancozeb. Macro and micronutrients concentration were determined on 4th and 8th days exposure. Significant changes in concentration of S, Mn and Zn were observed. Such changes were related to “green effect” on plants after mancozeb exposure. All data provide new information regarding the recent use of the mancozeb molecule in soybean. The contribution is original and presents data that can contribute to the definition of strategies in anti-resistance management and increase site-specific systemic fungicides effective life commonly used in soybean. In addition, the results present important physiological responses on plants induced Figure 1by mancozeb that can aggregate on development, vigor and productivity. |
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2017-09-11T13:48:16Z2017-09-11T13:48:16Z2017-02-17http://repositorio.ufsm.br/handle/1/11631Mancozeb has been the protective fungicide with a multi-site mechanism widely used associated with fungicide programs in soybean cultivation. This compound has provided significant increases in the systemic fungicides performance in the soybean rust control. Besides the obvious fungicide effect, mancozeb has provided also effects on physiological parameters in plants promoting benefits such as fungicide phytotoxicity reduction and increases in plant vigor. The studies aimed to understand the interaction of mancozeb associated to systemic fungicides against the soybean rust control, in addition to determine the physiological plants responses from the product versus plant relation. The experiments were conducted in greenhouse and field, divided in four chapters in manuscript format. The first study investigates the effect of the mancozeb interaction with commercial mixtures of QoI + DMI based on two methodologies. From this, it was possible to verify that mancozeb increases significantly the control efficiency when associated with less efficient mixtures. In such interactions was obtained a control synergistic response. However it is expected at least an additive response, when associated to mixtures with high efficiency, the increase in control is lower. The second study consisted of the enzymes activity linked to the antioxidant response, the photosynthetic pigments concentration and lipid peroxidation investigation in plants exposed to the fungicide trifloxystrobin + prothioconazole, with potential to cause phytotoxicity, associated or not with mancozeb. Antioxidant enzymes activity increase, reduction in pigment concentration and cell damage due to increased lipid peroxidation were observed in plants exposed to systemic fungicide. These damages were attenuated when the systemic fungicide was associated with mancozeb. Moreover, photosynthesis and chlorophyll a fluorescence parameters were analyzed in plants exposed to mancozeb and trifloxystrobin + prothioconazole, constituting the third study. Decreased in the photosynthetic efficiency was verified in plants treated with systemic fungicide characterizing a significant phytotoxic effect. The parameters evaluated elucidate a beneficial effect of mancozeb reducing the damages caused by the systemic fungicide. The fourth study aimed to evaluate changes in the leaves soybean nutritional status exposed to mancozeb. Macro and micronutrients concentration were determined on 4th and 8th days exposure. Significant changes in concentration of S, Mn and Zn were observed. Such changes were related to “green effect” on plants after mancozeb exposure. All data provide new information regarding the recent use of the mancozeb molecule in soybean. The contribution is original and presents data that can contribute to the definition of strategies in anti-resistance management and increase site-specific systemic fungicides effective life commonly used in soybean. In addition, the results present important physiological responses on plants induced Figure 1by mancozeb that can aggregate on development, vigor and productivity.Mancozebe tem sido o fungicida protetor com mecanismo multi-sítio amplamente utilizado associado aos programas fungicidas na cultura da soja. Este composto tem proporcionado incrementos significativos no desempenho de fungicidas sistêmicos no controle da ferrugem da soja. Além do efeito evidente como fungicida, tem sido relatado efeitos sobre parâmetros fisiológicos nas plantas conferindo benefícios como redução de fitotoxicidade de outros fungicidas e incrementos no vigor de plantas. Nossos estudos objetivaram compreender a interação de mancozebe associado a fungicidas sistêmicos frente ao controle da ferrugem da soja, além de determinar respostas fisiológicas das plantas oriundas da relação produto versus planta. Foram conduzidos ensaios em casa de vegetação e a campo, aqui divididos em quatro capítulos no formato de manuscritos. Em um primeiro estudo o efeito da interação de mancozebe com misturas comerciais de IQo + IDM foi investigado com base em duas metodologias. A partir disso foi possível verificar que mancozebe agrega mais significativamente a eficácia de controle quando associado a misturas menos eficientes. Em tais interações obteve-se uma resposta sinérgica de controle. Quando associado a misturas com alta eficácia o incremento no controle foi menor, entretanto no mínimo uma resposta aditiva é esperada. Em um segundo estudo a atividade de enzimas ligadas à resposta antioxidante, a concentração de pigmentos fotossintetizantes e a peroxidação lipídica foi investigada em plantas expostas ao fungicida trifloxistrobina + protioconazol, com potencial de causar fitotoxidade, estando este associado ou não ao mancozebe. Aumento na atividade de enzimas antioxidantes, redução no conteúdo de pigmentos e danos celulares evidenciadas pela maior peroxidação de lipídios foram verificadas em plantas expostas ao fungicida sistêmico. Tais danos foram atenuados quando o fungicida sistêmico foi associado ao mancozebe. Nesse mesmo sentido, parâmetros de fotossíntese e fluorescência da clorofila a foram analisados em plantas expostas a mancozebe e trifloxistrobina + protioconazol, sendo este o terceiro estudo aqui apresentado. Decréscimo na eficiência fotossintética foi verificado em plantas tratadas com o fungicida sistêmico caracterizando um efeito fitotóxico significativo. Os parâmetros avaliados elucidam um efeito benéfico de mancozebe reduzindo os danos causados pelo fungicida sistêmico. Um quarto e último estudo visou avaliar alterações no estado nutricional de folhas de soja expostas a mancozebe. Concentração de macro e micronutrientes foram determinadas aos 4 e 8 dias após exposição. Alterações significativas na concentração de S, Mn e Zn foram observadas. Tais alterações foram relacionadas a incrementos na coloração verde da cultura após exposição à mancozebe. Os dados trazem informações novas em relação ao recente uso da molécula mancozebe em soja. A contribuição é original e apresenta dados que podem contribuir na definição de estratégias no manejo anti-resistência e aumento da vida efetiva dos fungicidas sistêmicos sítio-específico comumente utilizados em soja. Além disso, os resultados apresentam uma série de respostas fisiológicas importantes de mancozebe sobre as plantas que podem agregar em termos de desenvolvimento, vigor e produtividade.Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqporUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em AgronomiaUFSMBrasilAgronomiaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessSojaFerrugem asiática da sojaResistência a fungicidasEstresse oxidativoAtividade fotossintéticaSoybeanAsian soybean rustResistance to fungicidesOxidative stressPhotosynthetic rateCNPQ::CIENCIAS AGRARIAS::AGRONOMIAMancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantasMancozeb associated to the pathosystem Phakopsora pachyrhizi × Glycine max: plants physiological responsesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisBalardin, Ricardo Silveirohttp://lattes.cnpq.br/6547445501940321Costa, Ivan Francisco Dressler dahttp://lattes.cnpq.br/6426393869748708Dallagnol, Leandro Joséhttp://lattes.cnpq.br/5231845635462952Madalosso, Marcelo Gripahttp://lattes.cnpq.br/2188468950480104Clasen, Bárbara Estevãohttp://lattes.cnpq.br/4618772929333729http://lattes.cnpq.br/9210289006869479Marques, Leandro Nascimento500100000009600db30a6fa-b8fd-467f-8b97-06372e6314306cb3f394-97fb-42ea-a3f6-d88f78133b03c829a1ba-7182-4747-8ba2-ecf7c08a2b885aa79221-f0a1-4ace-8f07-ff18453b7fe5e5d2fe80-768c-46eb-9fb7-fd14d3f1aa527bfef67b-0ef1-4695-bbb9-a17e198fb912reponame:Repositório Institucional Manancial UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALMarques, Leandro Nascimento.pdfMarques, Leandro Nascimento.pdfTese de Doutoradoapplication/pdf1413844http://repositorio.ufsm.br/bitstream/1/11631/1/Marques%2c%20Leandro%20Nascimento.pdf00770003fecf9ea85ebb2fa7b4c9fbbfMD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
dc.title.alternative.eng.fl_str_mv |
Mancozeb associated to the pathosystem Phakopsora pachyrhizi × Glycine max: plants physiological responses |
title |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
spellingShingle |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas Marques, Leandro Nascimento Soja Ferrugem asiática da soja Resistência a fungicidas Estresse oxidativo Atividade fotossintética Soybean Asian soybean rust Resistance to fungicides Oxidative stress Photosynthetic rate CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
title_full |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
title_fullStr |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
title_full_unstemmed |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
title_sort |
Mancozebe associado ao patossistema Phakopsora pachyrhizi × Glycine max: respostas fisiológicas das plantas |
author |
Marques, Leandro Nascimento |
author_facet |
Marques, Leandro Nascimento |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Balardin, Ricardo Silveiro |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6547445501940321 |
dc.contributor.referee1.fl_str_mv |
Costa, Ivan Francisco Dressler da |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/6426393869748708 |
dc.contributor.referee2.fl_str_mv |
Dallagnol, Leandro José |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/5231845635462952 |
dc.contributor.referee3.fl_str_mv |
Madalosso, Marcelo Gripa |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/2188468950480104 |
dc.contributor.referee4.fl_str_mv |
Clasen, Bárbara Estevão |
dc.contributor.referee4Lattes.fl_str_mv |
http://lattes.cnpq.br/4618772929333729 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/9210289006869479 |
dc.contributor.author.fl_str_mv |
Marques, Leandro Nascimento |
contributor_str_mv |
Balardin, Ricardo Silveiro Costa, Ivan Francisco Dressler da Dallagnol, Leandro José Madalosso, Marcelo Gripa Clasen, Bárbara Estevão |
dc.subject.por.fl_str_mv |
Soja Ferrugem asiática da soja Resistência a fungicidas Estresse oxidativo Atividade fotossintética Soybean |
topic |
Soja Ferrugem asiática da soja Resistência a fungicidas Estresse oxidativo Atividade fotossintética Soybean Asian soybean rust Resistance to fungicides Oxidative stress Photosynthetic rate CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.eng.fl_str_mv |
Asian soybean rust Resistance to fungicides Oxidative stress Photosynthetic rate |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
description |
Mancozeb has been the protective fungicide with a multi-site mechanism widely used associated with fungicide programs in soybean cultivation. This compound has provided significant increases in the systemic fungicides performance in the soybean rust control. Besides the obvious fungicide effect, mancozeb has provided also effects on physiological parameters in plants promoting benefits such as fungicide phytotoxicity reduction and increases in plant vigor. The studies aimed to understand the interaction of mancozeb associated to systemic fungicides against the soybean rust control, in addition to determine the physiological plants responses from the product versus plant relation. The experiments were conducted in greenhouse and field, divided in four chapters in manuscript format. The first study investigates the effect of the mancozeb interaction with commercial mixtures of QoI + DMI based on two methodologies. From this, it was possible to verify that mancozeb increases significantly the control efficiency when associated with less efficient mixtures. In such interactions was obtained a control synergistic response. However it is expected at least an additive response, when associated to mixtures with high efficiency, the increase in control is lower. The second study consisted of the enzymes activity linked to the antioxidant response, the photosynthetic pigments concentration and lipid peroxidation investigation in plants exposed to the fungicide trifloxystrobin + prothioconazole, with potential to cause phytotoxicity, associated or not with mancozeb. Antioxidant enzymes activity increase, reduction in pigment concentration and cell damage due to increased lipid peroxidation were observed in plants exposed to systemic fungicide. These damages were attenuated when the systemic fungicide was associated with mancozeb. Moreover, photosynthesis and chlorophyll a fluorescence parameters were analyzed in plants exposed to mancozeb and trifloxystrobin + prothioconazole, constituting the third study. Decreased in the photosynthetic efficiency was verified in plants treated with systemic fungicide characterizing a significant phytotoxic effect. The parameters evaluated elucidate a beneficial effect of mancozeb reducing the damages caused by the systemic fungicide. The fourth study aimed to evaluate changes in the leaves soybean nutritional status exposed to mancozeb. Macro and micronutrients concentration were determined on 4th and 8th days exposure. Significant changes in concentration of S, Mn and Zn were observed. Such changes were related to “green effect” on plants after mancozeb exposure. All data provide new information regarding the recent use of the mancozeb molecule in soybean. The contribution is original and presents data that can contribute to the definition of strategies in anti-resistance management and increase site-specific systemic fungicides effective life commonly used in soybean. In addition, the results present important physiological responses on plants induced Figure 1by mancozeb that can aggregate on development, vigor and productivity. |
publishDate |
2017 |
dc.date.accessioned.fl_str_mv |
2017-09-11T13:48:16Z |
dc.date.available.fl_str_mv |
2017-09-11T13:48:16Z |
dc.date.issued.fl_str_mv |
2017-02-17 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/11631 |
url |
http://repositorio.ufsm.br/handle/1/11631 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500100000009 |
dc.relation.confidence.fl_str_mv |
600 |
dc.relation.authority.fl_str_mv |
db30a6fa-b8fd-467f-8b97-06372e631430 6cb3f394-97fb-42ea-a3f6-d88f78133b03 c829a1ba-7182-4747-8ba2-ecf7c08a2b88 5aa79221-f0a1-4ace-8f07-ff18453b7fe5 e5d2fe80-768c-46eb-9fb7-fd14d3f1aa52 7bfef67b-0ef1-4695-bbb9-a17e198fb912 |
dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Agronomia |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Agronomia |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional Manancial UFSM instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Repositório Institucional Manancial UFSM |
collection |
Repositório Institucional Manancial UFSM |
bitstream.url.fl_str_mv |
http://repositorio.ufsm.br/bitstream/1/11631/1/Marques%2c%20Leandro%20Nascimento.pdf http://repositorio.ufsm.br/bitstream/1/11631/2/license_rdf http://repositorio.ufsm.br/bitstream/1/11631/3/license.txt http://repositorio.ufsm.br/bitstream/1/11631/4/Marques%2c%20Leandro%20Nascimento.pdf.txt http://repositorio.ufsm.br/bitstream/1/11631/5/Marques%2c%20Leandro%20Nascimento.pdf.jpg |
bitstream.checksum.fl_str_mv |
00770003fecf9ea85ebb2fa7b4c9fbbf c1efe8e24d7281448e873be30ea326ff 2f0571ecee68693bd5cd3f17c1e075df df7f65eb438188fa58cdb8ab39062d60 4bd70a4461fa72eb04a411cfb3447c63 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional Manancial UFSM - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
ouvidoria@ufsm.br |
_version_ |
1808854697801416704 |