Hostname: page-component-78c5997874-v9fdk Total loading time: 0 Render date: 2024-11-05T05:10:23.077Z Has data issue: false hasContentIssue false

EXP 31130A Efficacy and Corn (Zea mays) Response in Western Kansas

Published online by Cambridge University Press:  12 June 2017

Patrick W. Geier*
Affiliation:
Kansas State University Agricultural Research Center, Hays, KS 67601
Phillip W. Stahlman
Affiliation:
Kansas State University Agricultural Research Center, Hays, KS 67601
*
Corresponding author's E-mail: [email protected].

Abstract

Field experiments were conducted over 3 yr at two locations in northwest Kansas to evaluate the efficacy and crop tolerance of EXP 31130A alone and with other herbicides in corn. EXP 31130A alone and in combination with acetochlor, atrazine, or metolachlor controlled kochia and redroot pigweed 93% or greater regardless of location, year, or tillage system. Green foxtail control in 1997 and 1998 was > 90% with EXP 31130A in combination with chloroacetamide herbicides but varied among experiments with EXP 31130A alone. Control of puncturevine with EXP 31130A alone or in tank mixtures was 75% or greater at five of six sites. EXP 31130A alone and in combinations caused minor, early-season, corn leaf bleaching and/or stunting under conventional tillage. However, no injury was detected in no-till systems. In 1996, no-till corn receiving EXP 31130A treatments yielded similarly or up to 29% more than hand-weeded corn. Yields did not differ among treated, untreated, and hand-weeded corn in 1996 under conventional tillage, where weed interference was not as intense as under no-till conditions. Conventional-tillage corn receiving EXP 31130A alone or in tank mixtures in 1997 yielded similarly to hand-weeded corn. Averaged over experiments, corn yield in 1998 increased by 10 to 18% with applications of EXP 31130A alone or in combinations compared to untreated corn.

Type
Research
Copyright
Copyright © 1999 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.)

References

Literature Cited

Anderson, R. L. and Nielsen, D. C. 1996. Emergence patterns of five weeds in the central Great Plains. Weed Technol. 10:744749.Google Scholar
Anonymous. 1997. 1997 Kansas Farm Facts. Kansas Agricultural Statistics, Topeka, KS: Kansas Department of Agriculture, USDA. 118 p.Google Scholar
Anonymous. 1998. Balance Technical Sheet. Research Triangle Park, NC: Rhone-Poulenc Ag Company. 2 p.Google Scholar
Buhler, D. D. 1995. Influence of tillage systems on weed population dynamics and management in corn and soybean in the central USA. Crop Sci. 35:12471258.Google Scholar
Derksen, D. A., Blackshaw, R. E., and Boyetchko, S. M. 1996. Sustainability, conservation tillage and weeds in Canada. Can. J. Plant Sci. 76:651659.Google Scholar
Geier, P. W., Stahlman, P. W., Regehr, D. L., and Maddux, L. D. 1997. Efficacy of isoxaflutole alone and in combinations in corn. Proc. North Cent. Weed Sci. Soc. 52:81.Google Scholar
Lyon, D. J., Miller, S. D., and Wicks, G. A. 1996. The future of herbicides in weed control systems of the Great Plains. J. Prod. Agric. 9:209215.CrossRefGoogle Scholar
Moshier, D. G., Simpkins, G. S., Striegel, W. L., and Wrucke, M. A. 1997. Efficacy of isoxaflutole premixes applied preplant or preemergence in corn. Proc. North Cent. Weed Sci. Soc. 52:7879.Google Scholar
Northam, F. E. and Stahlman, P. W. 1997. Prairie cupgrass control in fallow. Proc. North Cent. Weed Sci. Soc. 52:5758.Google Scholar
Norwood, C. A. and Currie, R. S. 1997. Dryland corn vs. grain sorghum in western Kansas. J. Prod. Agric. 10:152157.Google Scholar
Pallett, K. E., Little, J. P., Sheekey, M., and Veerasekaran, P. 1998. The mode of action of isoxaflutole I. Physiological effects, metabolism, and selectivity. Pestic. Biochem. Physiol. 62:113124.Google Scholar
Viviani, F., Little, J. P., and Pallett, K. E. 1998. The mode of action of isoxaflutole 11. Characterization of the inhibition of carrot 4-hydroxyphenylpyruvate dioxygenase by the diketonitrile derivative of isoxaflutole. Pestic. Biochem. Physiol. 62:125134.Google Scholar
Young, B. G. and Hart, S. E. 1998. Optimizing foliar activity of isoxaflutole on giant foxtail (Setaria faberi) with various adjuvants. Weed Sci. 46:397402.Google Scholar