Efficacy of fomesafen and combinations of bentazone+aciflorfen (Storm) herbicides on Common bean (Phaseolus vulgaris L.) weed control in Lorestan Province

Mousavi, Karim; Nazari Alem, Jamshid; Nazari, Saeed

doi:10.22067/ijpr.v2i2.19021

Efficacy of fomesafen and combinations of bentazone+aciflorfen (Storm) herbicides on Common bean (Phaseolus vulgaris L.) weed control in Lorestan Province

Document Type : Original Articles

Authors

Karim Mousavi

Jamshid Nazari Alem

Saeed Nazari

10.22067/ijpr.v2i2.19021

Abstract

Efficacy of fomesafen and storm (bentazone+aciflorfen) herbicides on common bean (phaseolus vulgaris L.) weed control were evaluated in a randomized complete block design with four replications during 2008 in Lorestan Province. Herbicides were applied postemergence at three trifoliate growth stage of common bean. Herbicide injury on weeds reached maximum three days after treatments and common bean was recovered from initial injury of herbicides especially their combinations with high dose at 14 days after treatments, so that treatments had no persistent injury effect on crop. Tank mixture of fomesafen (1.5 L.ha-1) and storm (1.5 L.ha-1) treatment controlled weeds by 71.3% and based on visual injury monitoring, this mixtures controlled Physalis divaricata, Hibiscus trionum, and Portulaca oleracea 92.8, 81.3, and 63.8%, respectively. In general, visual evaluation 14 days after treatments, fomesafen (1.5 L.ha-1) mix with storm
(1 or 1.5 L.ha-1) controlled weeds by 80% and it was not significantly differed from hand weeding. Results of this research indicated that fomesafen and storm herbicides, and their combinations at proposed doses may apply postemergence for weed control in common bean.

Keywords

Broadleaf weeds

Herbicides tank mixture

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