There are few reports in literature about the selectivity of postemergence application of herbicides for the control of eudicotyledon weeds (broadleaf) in chickpea. For this reason, the
aim of this study was to investigate the selectivity of diphenyl-ether herbicides in chickpea
influenced by the herbicides and application rates. A field experiment was conducted from
February to June 2017 in Urutaí, state of Goiás, Brazil. Cultivar BRS Aleppo was used in
the experiment. The experiment was set up in a randomized block design with 2 × 3 + 1
factorial arrangement and three replications. The first factor was herbicides (fomesafen and
lactofen) with the second factor being herbicide rate (50, 75, and 100% of referenced rate)
plus an untreated check as a comparison. The applied rates of herbicides were 250 and
180 g ⋅ ha–1 of fomesafen and lactofen, respectively. The selectivity of herbicides was evaluated according to agronomic characteristics (plant population, height, dry matter, number
of pods per plant and 100-grain weight) and yields. Both herbicides, regardless of dosage,
were selective in chickpea cultivation, even exhibiting leaf necrosis symptoms with visible
injuries below 20% with no effect on yield.
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