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1 July 2008 The Effect of Postemergence Herbicides on The Spectral Reflectance of Corn
Wesley J. Everman, Case R. Medlin, Richard D. Dirks, Thomas T. Bauman, Larry Biehl
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Abstract

Studies were conducted in 2001 and 2002 to determine the effect of POST herbicides on the spectral reflectance of corn. POST corn herbicides evaluated included 2,4-D, atrazine, bromoxynil, dicamba diflufenzopyr, nicosulfuron, and primisulfuron. Multispectral and hyperspectral data were collected and spectral properties were analyzed using SAS procedures and MultiSpec image analysis. Corn treated with POST applications of atrazine and primisulfuron could not be distinguished from nontreated corn regardless of data type or analysis method used. 2,4-D and dicamba diflufenzopyr were the most readily distinguished from nontreated corn plots using both hyperspectral and multispectral data.

Nomenclature: Atrazine, bromoxynil, 2,4-D, dicamba diflufenzopyr, nicosulfuron, primisulfuron; corn, Zea mays L

Wesley J. Everman, Case R. Medlin, Richard D. Dirks, Thomas T. Bauman, and Larry Biehl "The Effect of Postemergence Herbicides on The Spectral Reflectance of Corn," Weed Technology 22(3), 514-522, (1 July 2008). https://doi.org/10.1614/WT-07-021.1
Received: 16 March 2007; Accepted: 1 March 2008; Published: 1 July 2008
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KEYWORDS
precision agriculture
precision weed control
site-specific herbicide application
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