WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Ciência Florestal (Online) |
Texto Completo: | https://periodicos.ufsm.br/cienciaflorestal/article/view/22735 |
Resumo: | The objective of this study was to evaluate water and organic solutes in plants of Jatropha curcas L. exposed to water deficit and grown in a greenhouse. The design was completely randomized with four water treatments (-100% T1, T2 - 80%, T3 - T4 and 60% - 40% of pot capacity) and six replicates for 120 days. We evaluated the leaf water potential (Ψf), relative water content, content of chlorophyll a, b and total carotenoids and these pigments estimated by chlorophyll meter (SPAD). For biochemical evaluation were quantified levels of carbohydrates, proteins, amino acids and proline in the leaves at 60, 90 and 120 days, and at the end of the experiment, the same solutes in roots. There were significant differences between treatments for Ψf the three evaluation periods and between treatments. Plants with 60% and 40% CP showed more negative compared to control plants at noon. After 120 days treatment T4 decreased by 22 2% in relative water content compared to control. The carotenoids at 120 days ranged from 0.29 to 0.39 mg / g MF. Amino acids and carbohydrates in the leaves increased with 80% of treatment capacity pot to 120 days of differentiation water. At 60, 90 and 120 days, chlorophyll a showed an increase in Q4 compared to control. The content of chlorophyll by the SPAD index ranged from (26.1 to 34.5). The results suggest that Jatropha curcas curcas is a drought tolerant species and with great economic potential for the Brazilian semiarid region. |
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WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMESRELAÇÕES HÍDRICAS E SOLUTOS ORGÂNICOS EM PLANTAS JOVENS DE Jatropha curcas L. SOB DIFERENTES REGIMES HÍDRICOSdroughtosmoregulationphysiological parameters.deficit hídricoosmorregulaçãoparâmetros fisiológicos.The objective of this study was to evaluate water and organic solutes in plants of Jatropha curcas L. exposed to water deficit and grown in a greenhouse. The design was completely randomized with four water treatments (-100% T1, T2 - 80%, T3 - T4 and 60% - 40% of pot capacity) and six replicates for 120 days. We evaluated the leaf water potential (Ψf), relative water content, content of chlorophyll a, b and total carotenoids and these pigments estimated by chlorophyll meter (SPAD). For biochemical evaluation were quantified levels of carbohydrates, proteins, amino acids and proline in the leaves at 60, 90 and 120 days, and at the end of the experiment, the same solutes in roots. There were significant differences between treatments for Ψf the three evaluation periods and between treatments. Plants with 60% and 40% CP showed more negative compared to control plants at noon. After 120 days treatment T4 decreased by 22 2% in relative water content compared to control. The carotenoids at 120 days ranged from 0.29 to 0.39 mg / g MF. Amino acids and carbohydrates in the leaves increased with 80% of treatment capacity pot to 120 days of differentiation water. At 60, 90 and 120 days, chlorophyll a showed an increase in Q4 compared to control. The content of chlorophyll by the SPAD index ranged from (26.1 to 34.5). The results suggest that Jatropha curcas curcas is a drought tolerant species and with great economic potential for the Brazilian semiarid region.O objetivo deste trabalho foi avaliar as relações hídricas e os solutos orgânicos em plantas de Jatropha curcas L. submetidas a deficit hídrico e cultivadas em casa de vegetação. O delineamento foi o inteiramente casualizado, com quatro tratamentos hídricos (T1 -100%, T2 - 80%, T3 - 60% e T4 - 40% da Capacidade de Pote) e seis repetições, durante 120 dias. Foi avaliado o potencial hídrico foliar (Ψf), teor relativo de água, teores de clorofila a, b e total, carotenoides e a estimativa desses pigmentos pelo medidor de clorofila (SPAD). Para a avaliação bioquímica foram quantificados os teores de carboidratos, proteínas, aminoácidos e prolina nas folhas aos 60, 90 e 120 dias, e no final do experimento foram avaliados os mesmos solutos nas raízes. Houve diferença significativa entre os tratamentos para Ψf nas três épocas de avaliação e entre os tratamentos. As plantas com 60% e 40% CP apresentaram valores mais negativos em relação às plantas-controle ao meio-dia. Aos 120 dias, o tratamento T4 apresentou uma redução de 22,2% no teor relativo de água em relação ao controle. Os carotenoides, aos 120 dias, oscilaram entre 0,29 a 0,39 mg/g MF. Os aminoácidos e carboidratos aumentaram nas folhas do tratamento com 80% Capacidade de Pote aos 120 dias de diferenciação hídrica. Aos 60, 90 e 120 dias, a clorofila a apresentou um aumento no T4 em relação ao controle. Os teores de clorofila pelo o Índice SPAD variaram de (26,1 a 34,5). Os resultados obtidos sugerem que a Jatropha curcas é uma espécie tolerante à seca e com grandes potencialidades econômicas para o semiárido brasileiro. Universidade Federal de Santa Maria2016-06-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/2273510.5902/1980509822735Ciência Florestal; Vol. 26 No. 2 (2016); 345-354Ciência Florestal; v. 26 n. 2 (2016); 345-3541980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/22735/13419Copyright (c) 2016 Ciência Florestalinfo:eu-repo/semantics/openAccessMoura, Adenilda Ribeiro deNogueira, Rejane Jurema Mansur CustódioSilva, José Antônio Aleixo daLima, Tarcísio Viana de2017-04-06T13:46:32Zoai:ojs.pkp.sfu.ca:article/22735Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2017-04-06T13:46:32Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES RELAÇÕES HÍDRICAS E SOLUTOS ORGÂNICOS EM PLANTAS JOVENS DE Jatropha curcas L. SOB DIFERENTES REGIMES HÍDRICOS |
title |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES |
spellingShingle |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES Moura, Adenilda Ribeiro de drought osmoregulation physiological parameters. deficit hídrico osmorregulação parâmetros fisiológicos. |
title_short |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES |
title_full |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES |
title_fullStr |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES |
title_full_unstemmed |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES |
title_sort |
WATER RELATIONS AND ORGANIC SOLUTES IN YOUNG PLANTS OF Jatropha curcas L. UNDER DIFFERENT WATER REGIMES |
author |
Moura, Adenilda Ribeiro de |
author_facet |
Moura, Adenilda Ribeiro de Nogueira, Rejane Jurema Mansur Custódio Silva, José Antônio Aleixo da Lima, Tarcísio Viana de |
author_role |
author |
author2 |
Nogueira, Rejane Jurema Mansur Custódio Silva, José Antônio Aleixo da Lima, Tarcísio Viana de |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Moura, Adenilda Ribeiro de Nogueira, Rejane Jurema Mansur Custódio Silva, José Antônio Aleixo da Lima, Tarcísio Viana de |
dc.subject.por.fl_str_mv |
drought osmoregulation physiological parameters. deficit hídrico osmorregulação parâmetros fisiológicos. |
topic |
drought osmoregulation physiological parameters. deficit hídrico osmorregulação parâmetros fisiológicos. |
description |
The objective of this study was to evaluate water and organic solutes in plants of Jatropha curcas L. exposed to water deficit and grown in a greenhouse. The design was completely randomized with four water treatments (-100% T1, T2 - 80%, T3 - T4 and 60% - 40% of pot capacity) and six replicates for 120 days. We evaluated the leaf water potential (Ψf), relative water content, content of chlorophyll a, b and total carotenoids and these pigments estimated by chlorophyll meter (SPAD). For biochemical evaluation were quantified levels of carbohydrates, proteins, amino acids and proline in the leaves at 60, 90 and 120 days, and at the end of the experiment, the same solutes in roots. There were significant differences between treatments for Ψf the three evaluation periods and between treatments. Plants with 60% and 40% CP showed more negative compared to control plants at noon. After 120 days treatment T4 decreased by 22 2% in relative water content compared to control. The carotenoids at 120 days ranged from 0.29 to 0.39 mg / g MF. Amino acids and carbohydrates in the leaves increased with 80% of treatment capacity pot to 120 days of differentiation water. At 60, 90 and 120 days, chlorophyll a showed an increase in Q4 compared to control. The content of chlorophyll by the SPAD index ranged from (26.1 to 34.5). The results suggest that Jatropha curcas curcas is a drought tolerant species and with great economic potential for the Brazilian semiarid region. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-06-20 |
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://periodicos.ufsm.br/cienciaflorestal/article/view/22735 10.5902/1980509822735 |
url |
https://periodicos.ufsm.br/cienciaflorestal/article/view/22735 |
identifier_str_mv |
10.5902/1980509822735 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufsm.br/cienciaflorestal/article/view/22735/13419 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2016 Ciência Florestal info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2016 Ciência Florestal |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
dc.source.none.fl_str_mv |
Ciência Florestal; Vol. 26 No. 2 (2016); 345-354 Ciência Florestal; v. 26 n. 2 (2016); 345-354 1980-5098 0103-9954 reponame:Ciência Florestal (Online) instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Ciência Florestal (Online) |
collection |
Ciência Florestal (Online) |
repository.name.fl_str_mv |
Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br |
_version_ |
1799944131070394368 |