Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar

Detalhes bibliográficos
Autor(a) principal: Carlin, Samira Domingues
Data de Publicação: 2012
Outros Autores: de Lima Rhein, Andressa Freitas [UNESP], Mathias dos Santos, Durvalina Maria [UNESP]
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.5433/1679-0359.2012v33n2p553
http://hdl.handle.net/11449/1242
Resumo: Sugarcane is a very important economic crop in Brazil. The effects of abiotic stresses cause negative reduction of the productivity in the sugarcane industry. In order to identify indicators of stresses tolerance, two physiological variables were evaluated, nitrate reductase activity and chlorophyll contents in young plants of sugarcane, cv. IAC91-5155. The simultaneous effect of abiotic stresses of high occurrence in Brazilian soils are, water deficiency and aluminum toxicity. The plants were submitted to three treatments of water availability (% field capacity, FC): no stress (70% FC), moderate stress (55% FC), and extreme stress (40% FC); and three acidity treatments in the soil (base saturation, V%): no acidity (V=55%), average acidity (V=33%), and high acidity (V=23%). The experiment was carried out in greenhouse, with 29.7 +/- 4.3 degrees C and 75 +/- 10% RH. The experimental design was in randomized blocks, in 3x3 factorial arrangement, with four replicates. After 60 days, nitrate reductase activity and chlorophyll contents were evaluated in the diagnostic leaf. The results demonstrate that the response of plants to a combination of drought and aluminum toxicity, similar to the conditions in many natural environments, is different from the response of plants to each of these stresses applied individually, as typically tested in the laboratory. The nitrate reductase activity can be used as a biochemical-physiological marker of water deficiency while chlorophyll contents can be used as a biochemical-physiological marker of both of them, water deficiency or aluminum toxicity in soil. Both parameters can not be as a biochemical-physiological marker for acclimation of young plants of sugarcane cv. IAC91-5155, under the combined stresses.
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spelling Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcarSimultaneous effect of water deficiency and aluminum toxicity in the soil in cultivar IAC91-5155 of sugarcaneSaccharum spp.Nitrate reductaseChlorophyllswater deficitAciditySugarcane is a very important economic crop in Brazil. The effects of abiotic stresses cause negative reduction of the productivity in the sugarcane industry. In order to identify indicators of stresses tolerance, two physiological variables were evaluated, nitrate reductase activity and chlorophyll contents in young plants of sugarcane, cv. IAC91-5155. The simultaneous effect of abiotic stresses of high occurrence in Brazilian soils are, water deficiency and aluminum toxicity. The plants were submitted to three treatments of water availability (% field capacity, FC): no stress (70% FC), moderate stress (55% FC), and extreme stress (40% FC); and three acidity treatments in the soil (base saturation, V%): no acidity (V=55%), average acidity (V=33%), and high acidity (V=23%). The experiment was carried out in greenhouse, with 29.7 +/- 4.3 degrees C and 75 +/- 10% RH. The experimental design was in randomized blocks, in 3x3 factorial arrangement, with four replicates. After 60 days, nitrate reductase activity and chlorophyll contents were evaluated in the diagnostic leaf. The results demonstrate that the response of plants to a combination of drought and aluminum toxicity, similar to the conditions in many natural environments, is different from the response of plants to each of these stresses applied individually, as typically tested in the laboratory. The nitrate reductase activity can be used as a biochemical-physiological marker of water deficiency while chlorophyll contents can be used as a biochemical-physiological marker of both of them, water deficiency or aluminum toxicity in soil. Both parameters can not be as a biochemical-physiological marker for acclimation of young plants of sugarcane cv. IAC91-5155, under the combined stresses.UPD, PqC Agencia Paulista Tecnol Agronegocios, Polo Reg Ctr Oeste, BR-17201970 Jau, SP, BrazilUniv Estadual Paulista, Fac Ciencias Agr, FCA UNESP, Botucatu, SP, BrazilUniv Estadual Paulista, Depto Biol Aplicada Agr, FCAV UNESP, Fac Ciencias Agr & Vet, BR-14884900 Jaboticabal, SP, BrazilUniv Estadual Paulista, Fac Ciencias Agr, FCA UNESP, Botucatu, SP, BrazilUniv Estadual Paulista, Depto Biol Aplicada Agr, FCAV UNESP, Fac Ciencias Agr & Vet, BR-14884900 Jaboticabal, SP, BrazilUniversidade Estadual de Londrina (UEL)Universidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Carlin, Samira Dominguesde Lima Rhein, Andressa Freitas [UNESP]Mathias dos Santos, Durvalina Maria [UNESP]2014-05-20T13:13:28Z2014-05-20T13:13:28Z2012-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article553-563application/pdfhttp://dx.doi.org/10.5433/1679-0359.2012v33n2p553Semina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 33, n. 2, p. 553-563, 2012.1676-546Xhttp://hdl.handle.net/11449/124210.5433/1679-0359.2012v33n2p553WOS:000307002600012WOS000307002600012.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporSemina: Ciências Agrárias0.349info:eu-repo/semantics/openAccess2024-06-06T13:04:56Zoai:repositorio.unesp.br:11449/1242Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:21:32.032791Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
Simultaneous effect of water deficiency and aluminum toxicity in the soil in cultivar IAC91-5155 of sugarcane
title Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
spellingShingle Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
Carlin, Samira Domingues
Saccharum spp.
Nitrate reductase
Chlorophylls
water deficit
Acidity
title_short Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
title_full Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
title_fullStr Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
title_full_unstemmed Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
title_sort Efeito simultâneo da deficiência hídrica e do alumínio tóxico no solo na cultivar IAC91-5155 de cana-de-açúcar
author Carlin, Samira Domingues
author_facet Carlin, Samira Domingues
de Lima Rhein, Andressa Freitas [UNESP]
Mathias dos Santos, Durvalina Maria [UNESP]
author_role author
author2 de Lima Rhein, Andressa Freitas [UNESP]
Mathias dos Santos, Durvalina Maria [UNESP]
author2_role author
author
dc.contributor.none.fl_str_mv Universidade de São Paulo (USP)
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Carlin, Samira Domingues
de Lima Rhein, Andressa Freitas [UNESP]
Mathias dos Santos, Durvalina Maria [UNESP]
dc.subject.por.fl_str_mv Saccharum spp.
Nitrate reductase
Chlorophylls
water deficit
Acidity
topic Saccharum spp.
Nitrate reductase
Chlorophylls
water deficit
Acidity
description Sugarcane is a very important economic crop in Brazil. The effects of abiotic stresses cause negative reduction of the productivity in the sugarcane industry. In order to identify indicators of stresses tolerance, two physiological variables were evaluated, nitrate reductase activity and chlorophyll contents in young plants of sugarcane, cv. IAC91-5155. The simultaneous effect of abiotic stresses of high occurrence in Brazilian soils are, water deficiency and aluminum toxicity. The plants were submitted to three treatments of water availability (% field capacity, FC): no stress (70% FC), moderate stress (55% FC), and extreme stress (40% FC); and three acidity treatments in the soil (base saturation, V%): no acidity (V=55%), average acidity (V=33%), and high acidity (V=23%). The experiment was carried out in greenhouse, with 29.7 +/- 4.3 degrees C and 75 +/- 10% RH. The experimental design was in randomized blocks, in 3x3 factorial arrangement, with four replicates. After 60 days, nitrate reductase activity and chlorophyll contents were evaluated in the diagnostic leaf. The results demonstrate that the response of plants to a combination of drought and aluminum toxicity, similar to the conditions in many natural environments, is different from the response of plants to each of these stresses applied individually, as typically tested in the laboratory. The nitrate reductase activity can be used as a biochemical-physiological marker of water deficiency while chlorophyll contents can be used as a biochemical-physiological marker of both of them, water deficiency or aluminum toxicity in soil. Both parameters can not be as a biochemical-physiological marker for acclimation of young plants of sugarcane cv. IAC91-5155, under the combined stresses.
publishDate 2012
dc.date.none.fl_str_mv 2012-01-01
2014-05-20T13:13:28Z
2014-05-20T13:13:28Z
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/10.5433/1679-0359.2012v33n2p553
Semina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 33, n. 2, p. 553-563, 2012.
1676-546X
http://hdl.handle.net/11449/1242
10.5433/1679-0359.2012v33n2p553
WOS:000307002600012
WOS000307002600012.pdf
url http://dx.doi.org/10.5433/1679-0359.2012v33n2p553
http://hdl.handle.net/11449/1242
identifier_str_mv Semina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 33, n. 2, p. 553-563, 2012.
1676-546X
10.5433/1679-0359.2012v33n2p553
WOS:000307002600012
WOS000307002600012.pdf
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv Semina: Ciências Agrárias
0.349
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 553-563
application/pdf
dc.publisher.none.fl_str_mv Universidade Estadual de Londrina (UEL)
publisher.none.fl_str_mv Universidade Estadual de Londrina (UEL)
dc.source.none.fl_str_mv Web of Science
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)
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