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Action of rain on the efficiency of herbicides applied post-emergence in the control of Senna obtusifolia Rev. Ciênc. Agron.
Souza,Guilherme Sasso Ferreira; Martins,Dagoberto; Pereira,Maria Renata Rocha; Bagatta,Murilo Villas Boas.
The objective of this study was to evaluate the effect of rainfall on the effectiveness of herbicides applied post-emergence on plants of Senna obtusifolia. The experiment was carried out under green-house conditions and the experimental design was completely randomized design with four replications, with treatments in a 7x8 factorial arrangement (seven herbicides treatments and eight rain intervals). The herbicides used were five formulations of glyphosate (Roundup Original, Roundup WG, Roundup Transorb, Roundup Transorb R and Roundup Ultra) applied at a rate of to 1,080 g a.e. ha-1, glufosinate-ammonium (Finale) at 400 g a.i. ha-1 and 2,4-D (DMA 806) at 1,000 g a.e. ha-1. The rain simulation occurred at intervals of 15; 30; 60; 120; 240, 360, and 480...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glufosinate-ammonium Sicklepod Glyphosate Weed 2; 4-D.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000300016
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