Effect of herbicides in the oxidative stress in crop winter species
| Autor: | Fábio Luís Winter, Leandro Galon, Eduarda Costa, Cinthia Maethê Holz, Rosilene R. Kaizer, Carla Alves, Jéssica Reis de Oliveira Sofiatti, César Tiago Forte |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
Crops Agricultural food.ingredient Avena enzymes Raphanus 01 natural sciences Green manure chemistry.chemical_compound Lupinus food Species Specificity Sulfentrazone lcsh:Science Peroxidase Sulfonamides Multidisciplinary biology agricultural plants Herbicides Vicia sativa food and beverages 04 agricultural and veterinary sciences Triazoles Malondialdehyde biology.organism_classification Catalase Horticulture Vicia Oxidative Stress chemistry Benzamides 040103 agronomy & agriculture biology.protein 0401 agriculture forestry and fisheries lcsh:Q PROTOX system 010606 plant biology & botany |
| Zdroj: | Anais da Academia Brasileira de Ciências, Vol 90, Iss 2, Pp 1533-1542 Anais da Academia Brasileira de Ciências v.90 n.2 2018 Anais da Academia Brasileira de Ciências Academia Brasileira de Ciências (ABC) instacron:ABC Anais da Academia Brasileira de Ciências, Volume: 90, Issue: 2, Pages: 1533-1542, Published: APR 2018 |
| ISSN: | 1678-2690 |
| Popis: | Most herbicides applied in crop field, stay in the soil for a period, affecting next crop or even the plants using as green manure. Nowadays, the use of herbicides grow to increase productivity, mainly in the grain producing region north of Rio Grande do Sul state. The objective of this study was to evaluate the effects of herbicides fomesafen and sulfentrazone on antioxidant system in Avena sativa1, Vicia sativa2, Raphanus sativus and Lupinus albus. The plants were exposed to varying concentrations of fomesafen3 (0, 0.125, 0.25 and 0.5 kg ha -1) and sulfentrazone (0, 0.3, 0.6 and 1.2 kg ha-1). For this, the activities of, ascorbat peroxidase, catalase and guaiacol enzymes were analyzed, and the levels of MDA were quantificated. Fomesafen and sulfentrazone promoted alterations in balance of plants generating oxidative stress and elicited the response of the antioxidant system of plants, mainly in the high doses of fomesafen, for the species V. sativa and R. sativus. At the same time, the 1,2 kg ha -1 dose of sulfentrazone generated lipid peroxidation for V. sativa, R. sativus and L. albus. Additionally, A. sativa was the species that demonstrated low alterations on antioxidant system with the exposure to herbicide fomesafen and sulfentrazone. Thus, we can we can suggest that the species present a better response in defense of the oxidative stress generated by the herbicides. |
| Databáze: | OpenAIRE |
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