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Response of Rice Cultivars to V-10029

Published online by Cambridge University Press:  20 January 2017

Wei Zhang ,
Eric P. Webster  and
Christopher T. Leon
Wei Zhang
Affiliation:
Department of Agronomy and Environmental Management, Louisiana State University AgCenter, Baton Rouge, LA 70803
Eric P. Webster*
Affiliation:
Department of Agronomy and Environmental Management, Louisiana State University AgCenter, Baton Rouge, LA 70803
Christopher T. Leon
Affiliation:
Department of Agronomy and Environmental Management, Louisiana State University AgCenter, Baton Rouge, LA 70803
*
Corresponding author's E-mail: ewebster@agcenter.lsu.edu
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Abstract

A study was conducted in 2002 and 2003 to evaluate response of seven rice cultivars to V-10029 applied at 20 and 40 g ai/ha to two- to three- or four- to five-leaf rice. Differential response of the rice cultivars to V-10029 was observed. Medium-grain ‘Earl’ was less tolerant to V-10029, as reflected by increased injury, shorter plants, and fewer plants at 7 d after late postemergence treatment and shorter plants and lower grain yield at harvest, when compared with nontreated Earl. Growth of medium-grain ‘Bengal’ was initially inhibited by V-10029; however, plant height at harvest and rice grain yield of Bengal were not affected. All long-grain cultivars exhibited tolerance to V-10029, both initially and at harvest. The results indicate that rice cultivars vary in tolerance to V-10029.

Keywords

V-10029, sodium 2,6-bis[(4,6-dimethoxypyrimidin-two-yl)oxy]benzoaterice, Oryza sativa L. ‘Bengal’, ‘Cl-141’, ‘CL-161’, ‘Cocodrie’, ‘Cypress’, ‘Earl’, ‘Wells’Herbicide toleranceALS, acetolactate synthaseDATdays after late postemergence treatment
Type
Research Article
Information
Weed Technology , Volume 19 , Issue 2 , June 2005 , pp. 307 - 311
Copyright
Copyright © Weed Science Society of America 

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Footnotes

1 Published with the approval of the Director of the Agricultural Experiment Station, Louisiana State University AgCenter, Baton Rouge, LA 70803 under the manuscript number 04-14-0004.

References

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