Journal: | Acta scientiarum. Agronomy |
Database: | PERIÓDICA |
System number: | 000459896 |
ISSN: | 1679-9275 |
Authors: | Bravim, Nara Priscila Barbosa1 Alves, Anatércia Ferreira2 Orlanda, José Fábio França3 Silva, Patrícia Barbosa Rodrigues4 |
Institutions: | 1Universidade Estadual do Maranhao, Balsas, Maranhao. Brasil 2Universidade Estadual da Regiao Tocantina do Maranhao, Centro de Ciencias Agrarias, Imperatriz, Maranhao. Brasil 3Universidade Estadual da Regiao Tocantina do Maranhao, Centro de Ciencias Exatas, Naturais e Tecnologicas, Imperatriz, Maranhao. Brasil 4Universidade Federal de Pernambuco, Centro de Biociencias, Recife, Pernambuco. Brasil |
Year: | 2021 |
Volumen: | 43 |
Country: | Brasil |
Language: | Inglés |
Document type: | Artículo |
Approach: | Experimental, analítico |
English abstract | The objective of the present study was to isolate fungi from agricultural soils and evaluate fungal growth in culture medium contaminated with atrazine, glyphosate and pendimethalin. Filamentous fungi were isolated from agricultural soils and cultured in a modified culture medium containing 0, 10, 20, 50, and 100 μg mL-1 atrazine, glyphosate and pendimethalin for 14 days at 28°C. The fungi that presented optimal and satisfactory growth were plated in Sabouraud culture medium with 4% dextrose and containing the herbicides at concentrations of 0, 10, 20, 50, and 100 μg mL-1 for seven days at 28°C. The mean mycelial growth values were submitted to analysis of variance and the Tukey test (p < 0.05%) for comparison and relative growth determination, and maximum inhibition rates were calculated. The isolated fungi Aspergillus fumigatus, Fusarium verticillioides and Penicillium citrinum were shown to be resistant to atrazine, glyphosate and pendimethalin. F. verticillioides showed higher mean mycelial growth in the culture media contaminated with atrazine and glyphosate than the other two fungi. In the culture medium contaminated with pendimethalin, F. verticillioides, and A. fumigatus presented the highest mean mycelial growth values |
Disciplines: | Agrociencias, Biología |
Keyword: | Hongos, Suelos, Hongos filamentosos, Resistencia a herbicidas, Biorremediación |
Keyword: | Fungi, Soils, Filamentous fungi, Bioremediation, Herbicides resistance |
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