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Weed Control in No-Till Sorghum (Sorghum bicolor)

Published online by Cambridge University Press:  12 June 2017

Gail A. Wicks  and
Phil H. Grabouski
Gail A. Wicks
Affiliation:
Dep. Agron., Univ. Nebraska West Central Res. and Ext. Ctr., North Platte, NE 69101
Phil H. Grabouski
Affiliation:
Dep. Agron., Univ. Nebraska West Central Res. and Ext. Ctr., North Platte, NE 69101
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Abstract

Field research was conducted in Nebraska to evaluate the efficacy of herbicides for the control of summer annual weeds in sorghum [Sorghum bicolor (L.) Moench.]. During 1976 to 1979, no-till plots treated with a mixture of paraquat (1,1′-dimethyl-4,4′-bipyridinium ion), atrazine [6-chloro-N-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diamine], and terbutryn [N-(1,1-dimethylethyl)-N′-ethyl-6-(methylthio)-1,3,5-triazine-2,4-diamine] yielded 33% more sorghum grain than plots receiving the same herbicides when a seedbed was prepared by disking. During 1981 to 1983, season-long weed control was obtained with acetochlor [2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl) acetamide], alachlor [2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide], cyanazine {2-[[4-chloro-6-(ethylamino)-1,3,5-triazin-2-yl] amino]-2-methylpropanenitrile}, metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide], or terbutryn added to paraquat plus atrazine and metolachlor plus cyanazine plus paraquat applied 10 days prior to planting. The use of seed safeners did not increase sorghum yield.

Keywords

Continuous croppingcrop residueecofarmingherbicidesseed safeners
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 34 , Issue 4 , July 1986 , pp. 577 - 581
Copyright
Copyright © 1986 by the Weed Science Society of America 

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References

Literature Cited

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