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Rice (Oryza sativa) response to clomazone

Published online by Cambridge University Press:  12 June 2017

David L. Jordan ,
Patrick K. Bollich ,
Ann B. Burns  and
Douglas M. Walker
Patrick K. Bollich
Affiliation:
Rice Research Station, Crowley, LA 70527
Ann B. Burns
Affiliation:
Northeast Research Station, St. Joseph, LA 71366
Douglas M. Walker
Affiliation:
Rice Research Station, Bastrop, LA 71220
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Abstract

Experiments were conducted in 1993 and 1994 to determine if seed treated with disulfoton at 3, 6, or 12 g ai kg−1 reduced bleaching of rice foliage caused by clomazone applied delayed preemergence at 0.56, 1.1, 1.7, or 2.2 kg ai ha−1 on silt loam and silty clay soils. Clomazone injured rice more on silt loam soil than on silty clay soil. Disulfoton reduced bleaching caused by clomazone. In additional field experiments conducted during 1995 and 1996, clomazone at rates as high as 2.2 kg ha−1 did not affect grain yield in seven of 10 experiments. Clomazone at rates below 1.7 kg ha−1 did not reduce grain yield in any of the experiments.

Keywords

Clomazone, disulfoton, rice, ‘Cypress.’Herbicide safenerpesticide interactiondisulfoton
Type
Weed Management
Information
Weed Science , Volume 46 , Issue 3 , June 1998 , pp. 374 - 380
Copyright
Copyright © 1998 by the Weed Science Society of America 

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Footnotes

Current address: Crop Science Department, North Carolina State University, Box 7620, Raleigh, NC 27695-7620; david_jordan@ncsu.edu

References

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