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- Title
Comunicação Susceptibilidade de espécies de plantas com potencial de fitorremediação do herbicida sulfentrazone.
- Authors
Madalão, João Carlos; Ribeiro Pires, Fábio; Cargnelutti Filho, Alberto; Favaro Nascimento, Alex; Chagas, Kristhiano; Silva Araújo, Rodrigo; de Oliveira Procópio, Sergio; Bonomo, Robson
- Abstract
Among the new technologies, phytoremediation is considered as an option for the decontamination of areas that thave undergone intense herbicide applications. This work aimed to select species with potential to the phytoremediation of soils contaminated with the herbicide sulfentrazone. The tested species were Calopogonium mucunoides, hybrid Sorghum (Sorghum bicolor x Sorghum sudanense), Crotalaria breviflora, Crotalaria juncea, Canavalia ensiformis, Dolichos lablab, Stizolobium deeringianum e Stizolobium aterrimum. The experiment was conducted in a greenhouse, using 6 dm³ vases filled with soil samples collected at a depth of 20 cm. The experimental design was the randomized blocks in a factorial scheme of 8 x 5, with four repetitions, which were composed by the eight plant species, and five doses of sulfentrazone (0, 200, 400, 800 and 1,600g ha-1). We evaluated the phytotoxicity of the herbicide, plant height and dry weight of shoots and roots. The species showing the least symptoms of phytotoxicity and the highest rates of height and fresh and dry biomass were C. juncea, C. ensiformis and D. lablab, which were selected as tolerant to the herbicide sulfentrazone and with potential for phytoremediation.
- Subjects
PHYTOREMEDIATION; HERBICIDES; SOIL remediation; PLANT species; PHYTOTOXICITY
- Publication
Revista Ceres, 2013, Vol 60, Issue 1, p111
- ISSN
0034-737X
- Publication type
Article
- DOI
10.1590/s0034-737x2013000100016