Abstract
This study was conducted to compare Zest (nicosulfuron) herbicide at two rates and two application timings for efficacy in grain sorghum. Palmer amaranth control was best when a preemergence (PRE) herbicide was followed by a late postemergence (LPOST) treatment. Zest at 0.67 or 1.33 oz/a provided the best velvetleaf and shattercane control. Either rate of Zest applied early postemergence (EPOST) controlled green foxtail more than 90%, but the higher rate was required for greater than 90% control when applications were delayed until LPOST.
Keywords: herbicide-resistant grain sorghum, herbicide tolerance
How to Cite:
Currie, R. S. & Geier, P. W., (2021) “Zest Application Timings for Efficacy in Grain Sorghum”, Kansas Agricultural Experiment Station Research Reports 7(7). doi: https://doi.org/10.4148/2378-5977.8110
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