Published in Scientific Papers. Series A. Agronomy, Vol. LXVI, Issue 1
Written by Anyo Mitkov
In 2021 and 2022, a field experiment with the winter wheat variety 'Enola' was conducted. The trial was performed on the experimental field of the Agricultural University of Plovdiv, Bulgaria. The efficacy and selectivity of the following five herbicides was under evaluation - Pontos (240 g/l flufenacet + 100 g/l picolinafen) – applied in three rates, Pallas 75 WG (75 g/l piroxulam), Axial One (45 g/l pinoxaden + 5 g/l florasulam), Atlantis Flexx 20,25 WG (45 g/kg mesosulfuron + 67.5 g/kg propoxicarbazon-potassium + 90 g/kg mefenpir-dietil), and a tank mixture of Biathlon 4 D (714 g/kg tritosulfuron + 54 g/kg florasulam) and Axial 050 (50 g/l pinoxaden). The herbicidal treatments were compared with untreated control. The natural weed infestation was presented by the weeds corn chamomile, common poppy, wild mustard, wild radish, ivy-leaved speedwell, annual raygrass, and wild oat. Biological yield was reported for both years of the experiment. The highest average yield of the two experimental years was found for the variant treated with the tank mixture of Biathlon 4 D + Axial 050- 6.31 t/da.
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