AS  Vol.5 No.7 , June 2014
Weed Management in Kidney Bean with Tank Mixes of S-Metolachlor, Imazethapyr and Linuron
ABSTRACT


Field studies were conducted in various locations in Ontario during 2011 to 2013 to evaluate s-metolachlor, imazethapyr and linuron applied preemergence (PRE) alone and in tankmix combination for the control of troublesome weeds in kidney bean. S-metolachlor, imazethapyr, linuron, s-metolachlor + imazethapyr, s-metolachlor + linuron and s-metolachlor + imazethapyr + linuron applied PRE at rates evaluated caused 3% or less injury in kidney bean. S-metolachlor provided 87% - 91% control of redroot pigweed, 46% - 55% control of common lambsquarters, and 96% - 97% control of green foxtail. Imazethapyr provided 93% - 96% control of redroot pigweed, 96% - 99% control of lambsquarters and 86% - 93% control of green foxtail. Linuron provided 82% - 98% control of lambsquarters, 82% - 99% control of redroot pigweed and 55% - 85% control of green foxtail. The tank mixes of s-metolachlor plus imazethapyr, s-metolachlor plus linuron, and s-metolachlor plus imazethapyr plus linuron provided 92% - 100% control of lambsquarters, redroot pigweed and green foxtail. Generally, kidney bean yields reflected the level of weed control. Based on these results, tank mixes of s-metolachlor plus imazethapyr, s-metolachlor plus linuron, and s-metolachlor plus imazethapyr plus linuron all provide an adequate margin of crop safety and excellent control of redroot pigweed, common lambsquarters and green foxtail in kidney bean.



Cite this paper
Soltani, N. , Nurse, R. and Sikkema, P. (2014) Weed Management in Kidney Bean with Tank Mixes of S-Metolachlor, Imazethapyr and Linuron. Agricultural Sciences, 5, 611-617. doi: 10.4236/as.2014.57064.
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