Weed Identification
UC Pest Management Guidelines
Weed Science Society of America
Weed Images and Descriptions -by Rutgers Cooperative Extension
Weed Identification -by the University of Illinois
Poisonous Plants Database -by Cornell University
Herbicides
Herbicide Symptom Key -by Pat Clay and Bill McCloskey
Herbicide Symptoms -by Pat Clay, Kai Umeda and Bill McCloskey (PDF, 4.2MB) An overview of herbicides, their classification, mode of action, and target weeds are provided along with photos of symptoms.
Hazard From Herbicide Used in Previous Crop -by Barry Tickes (PDF, 26KB)
Herbicide Resistance -by Ron Vargas
International Survey of Herbicide Resistant Weeds
For more information about pesticides, click Here
Cotton Report Articles
Effect of Buctril Rate on Weed Control in BXN Cotton -by William B. McCloskey (PDF, 142KB)
Effect of Halosulfuron (Permit), CGA362622, Glyphosate (Roundup Ultra) and Pyrithiobac (Staple) on Purple Nutsedge Growing in a Fallow Field -Maren E. Veatch and William B. McCloskey (PDF, 49KB)
Effects of Reduced Tillage and Crop Residues on Cotton Weed Control, Growth and Yield -by K.O. Adu-Tutu, W.B. McCloskey, S.H. Husman, P. Clay, M. Ottman, and E.C. Martin (PDF, 56KB)
Integrated Morningglory Control Strategies Transgenic Cotton and Precision Cultivation -by Tim C. Knowles, Bill McCloskey, and Vic Wakimoto (PDF, 20KB)
Johnsongrass Control in Cotton with BAS 620 -by P. A. Clay and L. D. Isom (PDF, 13KB)
Weed Control in Arizona Ultra Narrow Row Cotton 1999 Preliminary Results -William B. McCloskey, Patrick A. Clay, and Stephen H. Husman (PDF, 40KB)
IPM/BMP Practices in Arizona Cotton -by Paul B. Baker, William B. McCloskey, Will Sherman and Timothy D. Dennehy
Interactions Between Herbicides and Cotton Seedling Damping-off in the Field -by A. Heydari and I. J. Misaghi
Layby Mexican Sprangletop Control with Select (Clethodim) and Antagonism Resulting From Staple (Pyrithiobac Sodium) and Select Tank Mixed -by Tim C. Knowles, Bill McCloskey and Mike Keavy
Preliminary Study of Cotton Weed Control Strategies Using Over-The-Top Herbicides -by William B. McCloskey
Survey of Cotton Weeds and Weed Control Practices in Arizona Upland Cotton Fields -by William B. McCloskey, Paul B. Baker and Will Sherman