Hostname: page-component-7b7567c8c-fvjsw Total loading time: 0 Render date: 2026-11-15T05:56:25.519Z Has data issue: false hasContentIssue false

Response of Small-Grain Cultivars to Chlorsulfuron

Published online by Cambridge University Press:  12 June 2017

Larry H. Hageman
Affiliation:
Dep. Agron. and Plant Genetics, Univ. of Minnesota, St. Paul, MN 55108
Richard Behrens
Affiliation:
Dep. Agron. and Plant Genetics, Univ. of Minnesota, St. Paul, MN 55108

Abstract

The response of several spring wheat (Triticum aestivum L.), barley (Hordeum vulgare L.), and oat (Avena sativa L.) cultivars to preemergence and postemergence applications of chlorsulfuron (tested under code number DPX-4189) {2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl] benzenesulfonamide} was evaluated in the field and greenhouse in 1979. In greenhouse experiments, ‘Butte’ spring wheat was less susceptible than six other spring wheat cultivars to chlorsulfuron at 1.0 kg/ha applied preemergence or postemergence. ‘Morex’, ‘Conquest’, and ‘Bonanza’ barley cultivars were less susceptible than six other barley cultivars to preemergence chlorsulfuron, but barley cultivars were similar in response to postemergence chlorsulfuron. The eight oat cultivars responded similarly to preemergence and postemergence chlorsulfuron at 1.0 kg/ha. Data from two field experiments, which included evaluation of durum wheat [Triticum durum (Desf.)] cultivars, indicated that the four small grains had adequate tolerance to postemergence chlorsulfuron at 0.125 and 0.25 kg/ha, except that durum wheat grain yield was reduced by 0.25 kg/ha at the Rosemount location. No differential cultivar responses to chlorsulfuron occurred among the small grains in the field.

Information

Type
Research Article
Copyright
Copyright © 1981 by the Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable