Post-emergence herbicides for control of glyphosate-resistant Canada fleabane in corn

K.J. Mahoney; C. Shropshire; P.H. Sikkema

doi:10.1139/cjps-2016-0221

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K.J. Mahoney,^1,* C. Shropshire,¹ P.H. Sikkema¹

¹K.J. Mahoney, C. Shropshire, and P.H. Sikkema.Department of Plant Agriculture, University of Guelph

^*Corresponding author: K.J. Mahoney (email: kmahoney@uoguelph.ca).

Abstract

Post-emergence herbicides were evaluated for glyphosate-resistant Canada fleabane control in corn (Zea mays L.) from 2013 to 2015. By 8wk after treatment, dicamba/atrazine (96% control), dicamba (95% control), bromoxynil atrazine (93% control), dicamba/diflufenzopyr (90% control), and tembotrione/thiencarbazone-methyl dicamba (85% control) reduced population density and aboveground biomass to levels equivalent to the weed-free control.

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Citation Download Citation

K.J. Mahoney, C. Shropshire, and P.H. Sikkema "Post-emergence herbicides for control of glyphosate-resistant Canada fleabane in corn," Canadian Journal of Plant Science 97(2), 206-209, (16 November 2016). https://doi.org/10.1139/cjps-2016-0221

Received: 11 July 2016; Accepted: 1 November 2016; Published: 16 November 2016