Investigating Possibility of Tank Mixture of Nicosulfuron+ Rimsulfuron (Ultima) with Bromoxynil+MCPA (Bromicid MA) for Weed

Document Type : Research Article

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Plant Pest and Disease Research Institute

Abstract

To investigate the possibility of tank-mix application of two herbicides; Nicosulfuron+ Rimsulfuron (Ultima 4% SC) and Bromoxinil+MCPA (Bromicide MA 40 % EC) for control of narrow and broadleaf weeds in corn an experiment was carried out in Jiroft Agricultural Research Centers during 2010. The experiment was conducted in a Rrandomized Complete Block design with two-factors and four replications. The first factor was Nicosulfuron+ Rimsulfuron dosage at four levels; 0, 125, 150 and 175 grams per hectare and the second factor was Bromoxynil +MCPA at 0, 0.5, 1.0 and 1.5 liters per hectare. The results showed that the best combination of tank-mix of the above mentioned herbicides, considering weed control efficiency and percent of corn yield augmentation was 0.5 to 1.0 liters per hectare of Bromoxinil+MCPA and 125 to 150 grams per hectare of Nicosulfuron+ Foramsulfuron. These treatments had the best control of weeds of Digera muricata, Portulaca oleracea, Convolvulus arvensis, Physalis alkekengi, Amatanthus. Sp, Malva parviflora and increased seed corn by 6719 kg ha-1

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