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The Effect of Two Formulations of Sulfentrazone on Soil and Leaf Residues and Phytotoxicity in Tobacco (Nicotiana Tabacum L.)

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Author(s): Bertha K. Mashayamombe | Upenyu Mazarura | Albert Chiteka

Journal: Asian Journal of Agriculture and Rural Development
ISSN 2304-1455

Volume: 3;
Issue: 3;
Start page: 135;
Date: 2013;
Original page

Keywords: Broadleaf Weeds | Grass Weeds | Sedges | Efficacy | Phytotoxicity | Residues

ABSTRACT
Field studies were done to compare a wettable granular formulation (Authority 75 WG) and a suspension concentrate formulation (Authority 48 SC) of the herbicide sulfentrazone. A 6 x 2 factorial experiment was laid out in a split plot design to evaluate the effect of herbicide levels on phytotoxicity and residues in both leaves and the soil. One rate of the wettable granular formulation (0.225 kg/ha), four different rates of the suspension concentrate formulation (0.165 kg/ha, 0.205 kg/ha, 0.185 kg/ha, 0.225 kg/ha) and the control (0.00 kg/ha) were tested. Tobacco phytotoxicity at 27 days after transplanting (DAT) and soil residues at 12 WAT was measured. There was significantly higher (P
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