Biochemical performance of bean seedlings under water restriction at the beginning of development
The present work aimed to evaluate the performance of bean cultivars submitted to water deficit in the initial development of plants. The experiment was conducted at the Federal University of Pelotas. The seeds used were from the cultivars BRS Esteio and IPR Tuiuú, both cultivars from the black group. Water restriction was imposed using PEG-6000 as an osmotic potential reducer to perform the germination test. On the tenth day of germination, seedlings were collected for the evaluation of the following tests: levels of proline, hydrogen peroxide, lipid peroxidation and antioxidant enzymes that were evaluated through the specific activity of the enzymes superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX). The design used was completely randomized, in the factorial scheme two cultivars for four osmotic potentials. The data were subjected to analysis of variance and the F values when significant were compared using the Tukey test at 5% probability. The results demonstrate that water restriction, according to the osmotic potential, affects CAT, SOD, APX enzymes in a different way. Which can result in plants less adapted to water stress.
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Facultad de Ciencias Agrarias y Forestales de la Universidad Nacional de La Plata
2021
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rev-revagro-ar-article-122442021-06-25T18:14:26Z Biochemical performance of bean seedlings under water restriction at the beginning of development Desempenho bioquímico de plântulas de feijão sob restrição hídrica no início do desenvolvimento Oliveira Novais Araújo , Bruno Andrade Monteiro, Manoela Celente Martins, Angelita Lacerda Fonseca, Liriana Somavilla Uliana, Adriel Diel de Oliveira, Vinícius Pedó, Tiago Zanatta Aumonde, Tiago Phaseolus vulgaris estresse hídrico peroxidação lipídica enzimas antioxidante superóxido dismutase Phaseolus vulgaris water stress lipid peroxidation antioxidant enzymes superoxide dismutase The present work aimed to evaluate the performance of bean cultivars submitted to water deficit in the initial development of plants. The experiment was conducted at the Federal University of Pelotas. The seeds used were from the cultivars BRS Esteio and IPR Tuiuú, both cultivars from the black group. Water restriction was imposed using PEG-6000 as an osmotic potential reducer to perform the germination test. On the tenth day of germination, seedlings were collected for the evaluation of the following tests: levels of proline, hydrogen peroxide, lipid peroxidation and antioxidant enzymes that were evaluated through the specific activity of the enzymes superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX). The design used was completely randomized, in the factorial scheme two cultivars for four osmotic potentials. The data were subjected to analysis of variance and the F values when significant were compared using the Tukey test at 5% probability. The results demonstrate that water restriction, according to the osmotic potential, affects CAT, SOD, APX enzymes in a different way. Which can result in plants less adapted to water stress. O presente trabalho teve como objetivo avaliar a o desempenho de cultivares de feijão submetidas ao déficit hídrico no desenvolvimento inicial das plantas. O experimento foi conduzido na Universidade Federal de Pelotas. As sementes utilizadas foram das cultivares BRS Esteio e IPR Tuiuiú, ambas cultivares do grupo preto. A restrição hídrica foi imposta utilizando PEG-6000 como redutor de potencial osmótico para realizar o teste de germinação. No décimo dia de germinação foram coletadas as plântulas para a avaliação dos seguintes testes: teores de prolina, peróxido de hidrogênio, peroxidação lipídica e enzimas antioxidante que foram avaliadas através da atividade específica das enzimas superóxido dismutase (SOD), catalase (CAT) e ascorbato peroxidase (APX). O delineamento utilizado foi de inteiramente casualizado, no esquema fatorial duas cultivares por quatro potenciais osmóticos. Os dados foram submetidos à análise de variância e os valores de F quando significativos foram comparados pelo teste de Tukey a 5% de probabilidade. Os resultados demonstram que a restrição hídrica, conforme o potencial osmótico, afeta de forma distinta a atividade das enzimas CAT, SOD, APX. O que pode resultar em plantas menos adaptadas ao estresse hídrico. Facultad de Ciencias Agrarias y Forestales de la Universidad Nacional de La Plata 2021-06-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares Peer reviewed article application/pdf https://revistas.unlp.edu.ar/revagro/article/view/12244 10.24215/16699513e070 Journal of the Agronomy College; Vol. 120 No. 1 (2021): Revista de la Facultad de Agronomía; 070 Revista de la Facultad de Agronomía; Vol. 120 Núm. 1 (2021): Revista de la Facultad de Agronomía; 070 Journal de la Faculté d'Agronomie; Vol. 120 No. 1 (2021): Revista de la Facultad de Agronomía; 070 Revista da Faculdade de Agronomia; v. 120 n. 1 (2021): Revista de la Facultad de Agronomía; 070 1669-9513 0041-8676 por https://revistas.unlp.edu.ar/revagro/article/view/12244/11054 |
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Biblioteca de la Facultad de Ciencias Agrarias y Forestales de la UNLP Argentina |
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| author |
Oliveira Novais Araújo , Bruno Andrade Monteiro, Manoela Celente Martins, Angelita Lacerda Fonseca, Liriana Somavilla Uliana, Adriel Diel de Oliveira, Vinícius Pedó, Tiago Zanatta Aumonde, Tiago |
| spellingShingle |
Oliveira Novais Araújo , Bruno Andrade Monteiro, Manoela Celente Martins, Angelita Lacerda Fonseca, Liriana Somavilla Uliana, Adriel Diel de Oliveira, Vinícius Pedó, Tiago Zanatta Aumonde, Tiago Biochemical performance of bean seedlings under water restriction at the beginning of development |
| author_facet |
Oliveira Novais Araújo , Bruno Andrade Monteiro, Manoela Celente Martins, Angelita Lacerda Fonseca, Liriana Somavilla Uliana, Adriel Diel de Oliveira, Vinícius Pedó, Tiago Zanatta Aumonde, Tiago |
| author_sort |
Oliveira Novais Araújo , Bruno |
| title |
Biochemical performance of bean seedlings under water restriction at the beginning of development |
| title_short |
Biochemical performance of bean seedlings under water restriction at the beginning of development |
| title_full |
Biochemical performance of bean seedlings under water restriction at the beginning of development |
| title_fullStr |
Biochemical performance of bean seedlings under water restriction at the beginning of development |
| title_full_unstemmed |
Biochemical performance of bean seedlings under water restriction at the beginning of development |
| title_sort |
biochemical performance of bean seedlings under water restriction at the beginning of development |
| description |
The present work aimed to evaluate the performance of bean cultivars submitted to water deficit in the initial development of plants. The experiment was conducted at the Federal University of Pelotas. The seeds used were from the cultivars BRS Esteio and IPR Tuiuú, both cultivars from the black group. Water restriction was imposed using PEG-6000 as an osmotic potential reducer to perform the germination test. On the tenth day of germination, seedlings were collected for the evaluation of the following tests: levels of proline, hydrogen peroxide, lipid peroxidation and antioxidant enzymes that were evaluated through the specific activity of the enzymes superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX). The design used was completely randomized, in the factorial scheme two cultivars for four osmotic potentials. The data were subjected to analysis of variance and the F values when significant were compared using the Tukey test at 5% probability. The results demonstrate that water restriction, according to the osmotic potential, affects CAT, SOD, APX enzymes in a different way. Which can result in plants less adapted to water stress. |
| publisher |
Facultad de Ciencias Agrarias y Forestales de la Universidad Nacional de La Plata |
| publishDate |
2021 |
| url |
https://revistas.unlp.edu.ar/revagro/article/view/12244 |
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