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- Title
Dessecação de Crotalaria juncea no outono.
- Authors
Espanhol, Melina; Parreira, Mariana C.; Duarte, Daniel J.; Correia, Núbia M.
- Abstract
The objective of this study was to evaluate the effect of glyphosate applied alone and in mixtures with 2.4-D or metsulfuron methyl in the desiccation of mature plants of Crotalaria juncea during the fall season, in a field crop. Two experiments were carried out using a randomized experimental block design, in a 4 x 3 factorial scheme, with four replications. Treatments in the first experiment were formed by four doses (0.00, 0.54, 1.08 and 1.62 kg ha-1) of glyphosate, associated with three doses (0.00, 0.806 and 1.209 kg ha-1) of 2 ,4-D. In the second experiment the same doses of glyphosate were studied associated with three doses (0.0 4.0 and 8.0 g ha-1) of metsulfuron-methyl. Visual evaluations of plant poisoning, score number of plants with regrowth and dry matter of plants were determined. It was concluded that glyphosate applied alone or in association with 2.4- D or metsulfuron-methyl, regardless of the applied doses, was ineffective in the desiccation of mature plants of Crotalaria juncea.
- Subjects
DEHYDRATION; SUNN hemp; GLYPHOSATE; METSULFURON-methyl; FIELD crops; FACTOR structure; TOXICOLOGY of poisonous plants
- Publication
Brazilian Journal of Agricultural Sciences / Revista Brasileira de Ciências Agrárias, 2011, Vol 6, Issue 1, p90
- ISSN
1981-1160
- Publication type
Article
- DOI
10.5039/agraria.v6i1a1012