Published in Scientific Papers. Series A. Agronomy, Vol. LXIII, Issue 1
Written by Anyo MITKOV
In 2017 and 2018 a field trial with the maize hybrid “P 9537” on the experimental field of the Agricultural University of Plovdiv, Bulgaria was conducted. The following herbicide products were evaluated: Kabadex Extra (267 g/l mesotrione + 16.7 g/l florasulam), Starane Gold SE (1 g/l florasulam + 100 g/l fluroxypyr), Derby Super WG (300 g/kg aminopyralide-potassium + 150 g/kg florasulam), Mustang 306,25 SC (300 g/l 2,4D + 6.25 g/l florasulam), Casper 55 WG (500 g/kg dicamba + 50 g/kg prosulfuron) and Arat WG (500 g/kg dicamba + 250 g/kg tritosulfuron). The application of Kabadex Extra + Dasoil, Derby Super WG (in rates of 0.033 kg ha-1 alone, 25 and 0.033 kg ha-1 + Dasoil), as well as Starane Gold in rate of 1.5 l ha-1 caused low phytotoxicity symptoms for the crop. The highest maize yield (984.19 kg da-1) as well as the highest herbicide efficacy against Chenopodium album L., Amaranthus blitoides L., Xantium strumarium L., Abutilon theophrasti Medic., Datura stramonium L. and Solanum nigrum L. after the application of Kabadex Extra in rate of 0.033 l ha-1 + Dasoil -1.0 l ha-1 were found.
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