Publicação: Interaction between timing of foliar fertilizer application and different metribuzin doses in carrot
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The objective of this research was to evaluate the potential of the foliar fertilizer FertiG as an attenuator of Metribuzin toxicity in the carrot crop. Experiments were carried out in the 2014 and 2015 crops cycles. The treatments were arranged in a 4 x 3 factorial scheme, four times of foliar fertilizer application and three doses of Metribuzin (0, 288 and 576 g ha-1). In crop 1, the foliar fertilizer with the herbicide (288 g ha-1) increased the commercial yield 5 d before the Metribuzin application. The use of FertiG associated to Metribuzin reduced the production of forked carrots 5 d before application and without the foliar fertilizer. The tank mixture decreased the total discard as well as the total yield (576 g ha-1). In crop 2, the commercial yield increased 5 d before (576 g ha-1) and 5 d after (288 g ha-1) the application of Metribuzin when the leaf fertilizer was associated with the herbicide. The yield of the forked carrots decreased 5 d after the application of Metribuzin (288 g ha-1), as well as the total discard. Thus, when associated with Metribuzin (288 g ha-1), FertiG has the potential to attenuate the herbicide toxicity in carrots.
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Commercial yield, Daucus carota, Forked carrots, Herbicide, Phytotoxicity
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Inglês
Como citar
Agronomia Colombiana, v. 36, n. 1, p. 35-41, 2018.
