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Weed Control and Peanut (Arachis hypogaea) Response to Nicosulfuron and Bentazon Alone and in Mixture

Published online by Cambridge University Press:  12 June 2017

John S. Richburg III
Affiliation:
Dep. Agron., Box 748, Univ. Georgia, Coastal Plain Exp. Stn., Tifton, GA 31793-0748
John W. Wilcut
Affiliation:
Dep. Agron., Box 748, Univ. Georgia, Coastal Plain Exp. Stn., Tifton, GA 31793-0748
E. Ford Eastin
Affiliation:
Dep. Agron., Box 748, Univ. Georgia, Coastal Plain Exp. Stn., Tifton, GA 31793-0748

Abstract

Field studies in 1990 and 1991 evaluated treatment timings of nicosulfuron and bentazon alone and in mixture for weed control, peanut injury, and yield. The experimental areas were treated with a broadcast PPI application of benefin at 1.68 kg ai ha-1. Nicosulfuron was applied at 40 g ai ha-1 and bentazon at 560 g ai ha-1. Nicosulfuron mixed with bentazon applied 1 wk after crop emergence (WAE) controlled yellow nutsedge 81%. Bentazon or bentazon plus nicosulfuron applied 1 or 3 WAE controlled smallflower morningglory at least 94%. Nicosulfuron controlled sicklepod at least 76% in 1990. However, control of sicklepod was 71% from 1 WAE nicosulfuron application in 1991 and less than 26% for 3, 5, or 7 WAE application. Bentazon controlled Ipomoea spp. at least 70% but did not control Florida beggarweed and sicklepod. Nicosulfuron alone controlled Florida beggarweed and Ipomoea spp. Nicosulfuron reduced early-season peanut growth, but peanut recovered by mid-August. Bentazon reduced nicosulfuron control of Florida beggarweed when applied 1, 3, or 5 WAE, but not 7 WAE. Bentazon mixed with nicosulfuron applied 3 WAE in 1990 reduced weed-free peanut yields compared to nicosulfuron alone. Nicosulfuron and bentazon did not significantly reduce peanut yields under weed-free conditions in 1991.

Type
Weed Control and Herbicide Technology
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

Literature Cited

1. Bridges, D. C. and Banks, P. A. 1989. Postemergence johnsongrass control in corn. Proc. South. Weed Sci. Soc. 42:44.Google Scholar
2. Camacho, R. F., Moshier, L. J., Morishita, D. W., and Devlin, D. L. 1991. Rhizome johnsongrass (Sorghum halepense) control in corn (Zea mays) with primisulfuron and nicosulfuron. Weed Technol. 5:789794.CrossRefGoogle Scholar
3. Colvin, D. L. and Brecke, B. J. 1988. Peanut yield and weed control as affected by timing and application rate of chlorimuron. Proc. South. Weed Sci. Soc. 41:60.Google Scholar
4. Dowler, C. C. 1992. Weed Survey—Southern States. Proc. South. Weed Sci. Soc. 45:397399.Google Scholar
5. Johnson, W. G., Frans, R. E., Mclelland, M. R., and Hathcock, P. J. 1989. Weed control and crop response to DPX-V9360–34 (ACCENT) in corn. Proc. South. Weed Sci. Soc. 42:45.Google Scholar
6. Littlefield, T. A., Colvin, D. L., and Brecke, B. J. 1992. Peanut cultivar tolerance differences to nicosulfuron applications. Am. Peanut Res. Educ. Soc. 19:58.Google Scholar
7. Littlefield, T. A., Colvin, D. L., Bennett, J. M., and Brecke, B. J. 1992. Field and greenhouse evaluations for nicosulfuron use in peanuts. Proc. South. Weed Sci. Soc. 45:84.Google Scholar
8. Reynolds, D. B., Vidrine, P. R., Griffin, J. L., and Richard, P. A. 1989. Rate by timing response to new postemergence herbicides in corn. Proc. South. Weed Sci. Soc. 42:53.Google Scholar
9. Richburg III, J. S., Wilcut, J. W., and Wiley, G. 1993. Cadre rates and methods in Georgia peanuts. Proc. South. Weed Sci. Soc. 46:39.Google Scholar
10. Richburg III, J. S., Walker, R. H., Wyatt, D. R. 1990. Postemergence grass control in corn with sulfonylurea herbicides. Proc. South. Weed Sci. Soc. 43:53.Google Scholar
11. Sims, G. R., Wehtje, G. R., McGuire, J. A., and Hicks, T. V. 1987. Weed control and response of peanut (Arachis hypogaea) to chlorimuron. Peanut Sci. 14:4245.Google Scholar
12. Vidrine, P. R., Reynolds, D. B., and Griffin, J. L. 1989. Comparison of postemergence grass herbicides in corn. Proc. South Weed Sci. Soc. 42:50.Google Scholar
13. Wehtje, G. and Wilcut, J. W. 1992. Interactions of Classic (chlorimuron) with other pesticides used in peanuts. Am. Peanut Res. Educ. Soc. 24:49.Google Scholar
14. Wehtje, G., Wilcut, J. W., and McGuire, J. A. 1992. Influence of bentazon on the phytotoxicity of paraquat to peanuts (Arachis hypogaea) and associated weeds. Weed Sci. 40:9095.CrossRefGoogle Scholar
15. Wilcut, J. W., York, A. C., and Wehtje, G. R. 1993. The control and interaction of weeds in peanut (Arachis hypogaea). Rev. Weed Sci. 6:177206.Google Scholar
16. Wilcut, J. W., Wehtje, G. R., and Grichar, W. J. 1992. Alachlor alternative weed control systems for Georgia, Alabama, and Texas peanut. Proc. Weed Sci. Soc. Am. 32:3.Google Scholar
17. Wilcut, J. W. 1991. Imazethapyr and AC 263,222 herbicide systems for Georgia peanuts. Proc. South. Weed Sci. Soc. 44:138.Google Scholar
18. Wilcut, J. W. and Wehtje, G. R. 1991. Bentazon and naptalam tankmixtures with chlorimuron for weed control in peanuts. Proc. Am. Peanut Res. Educ. Soc. 23:54.Google Scholar
19. Worsham, A. D. and Saunders, E. 1989. Johnsongrass control postemergence in corn with DPX-V9360 (ACCENT), CGA-136872 (BEACON) and SD-63596. Proc. South. Weed Sci. Soc. 42:51.Google Scholar
20. Young, J. H., Person, N. K. Jr., Donald, J. O., and Mayfield, W. D. 1982. Harvesting, curing and energy utilization. Pages 458485 in Pattee, H. E. and Young, C. T. eds. Peanut Science and Technology. Am. Peanut Res. Educ. Soc., Yoakum, TX.Google Scholar