| Revue: | Acta scientiarum. Agronomy |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000459848 |
| ISSN: | 1679-9275 |
| Autores: | Alves, Rafael Mateus1 Silva, Monalisa Alves Diniz da2 Silva, Elania Freire da3 Hermínio, Pedro José4 Gomes-Junior, Francisco Guilhien1 |
| Instituciones: | 1Universidade de Sao Paulo, Escola Superior de Agricultura "Luiz de Queiroz", Piracicaba, Sao Paulo. Brasil 2Universidade Federal Rural de Pernambuco, Departamento de Agronomia, Serra Talhada, Pernambuco. Brasil 3Universidade Federal Rural do Semi-Arido, Mossoro, Rio Grande do Norte. Brasil 4Universidade Federal Rural de Pernambuco, Serra Talhada, Pernambuco. Brasil |
| Año: | 2022 |
| Volumen: | 44 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental, analítico |
| Resumen en inglés | In various parts of the world, agricultural exploitation faces saline soil or water, such that cultivable species tend to be limited regarding the establishment of seedlings, with effects on productivity. The objective of this study was to evaluate the effects of salinity levels associated with different temperatures on the germination, initial development, and oxidative damage indicators of purple corn seedlings. The experiment was completely randomized in a 5 × 2 factorial design (moistening of the germination paper with 0, 25, 50, 75, and 100 mM NaCl solutions at temperatures of 25 and 30°C). The parameters evaluated were germination, growth, and oxidative damage indicators at the seedling phase. The germinative decline and initial development of purple corn seedlings, regardless of the temperature (25 and 30°C), reflected oxidative damage resulting from saline stress. Although deleterious effects of salinity were observed, a temperature of 30°C provided greater length and accumulation of dry mass of purple corn seedlings compared to the effects at 25°C. Total chlorophyll, chlorophyll a, chlorophyll b, total carotenoids, and lipid peroxidation, regardless of the temperature (25 and 30°C), were identified as sensitive biochemical indicators for the detection of physiological quality of purple corn seedlings subjected to NaCl |
| Disciplinas: | Agrociencias, Biología |
| Palabras clave: | Gramíneas, Fisiología vegetal, Maíz morado, Plántulas, Zea mays, Antocianinas, Oxidación, Estrés salino |
| Keyword: | Gramineae, Plant physiology, Purple corn, Seedlings, Zea mays, Anthocyanins, Oxidation, Salt stress |
| Texte intégral: | Texto completo (Ver HTML) Texto completo (Ver PDF) |
