Friday, 6 January 2006 - 9:00 AM

Critical period of grass versus broadleaf weed interference in cotton

Walter E. Thomas1, Wesley J. Everman1, Scott B. Clewis1, Ian C. Burke2, and John W. Wilcut1. (1) North Carolina State University, NCSU Crop Science Department, Campus Box 7620, Raleigh, NC 27606, (2) USDA-ARS, Southern Weed Science Research Unit, Stoneville, MS 38776

Field trials were conducted to evaluate the influence of various weed removal timings/interference timings on cotton growth and lint yield. Either broadleaf or grass weeds were allowed to compete with cotton for the various intervals. Plots were allowed to either be weedy until or weed free for a certain time point after planting.

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