Browsing Cotton Report 1999 by Authors
1998 Low Desert Upland Cotton Advanced Strains Testing ProgramHusman, Stephen J.; Wegener, R.; Johnson, K.; Silvertooth, Jeff; University of Arizona Cooperative Extension (College of Agriculture, University of Arizona (Tucson, AZ), 1999)Upland cotton advanced strains and commercial check comparison varieties were evaluated in replicated field studies at three locations in 1998. The test sites include Buckeye, Az., Maricopa, Az., and Safford, AZ. Twelve seed companies submitted a maximum of five advanced strains entries per location. Three commercial check varieties were used at each site for comparison purposes and included DPL 5415, SG 125, and STV 474.
Arizona Upland Cotton Variety Testing Program, 1998Silvertooth, Jeffrey C.; Norton, Randy; Clark, L.; Walser, R.; Husman, Stephen H.; Knowles, Tim; Moser, H.; Silvertooth, Jeff; University of Arizona Cooperative Extension (College of Agriculture, University of Arizona (Tucson, AZ), 1999)Ten field experiments were conducted in major cotton growing areas of Arizona in 1998 for the purpose of evaluating Upland cotton varieties in terms of adaptability and performance. Eight commercial cottonseed companies participated in the program. A maximum of two varieties were submitted by each company at each location. Experiments were conducted on a commercial level on grower-cooperator fields in most cases. Locations used in the program spanned the range of conditions common to cotton producing areas of the state from about 100 ft. to 4,000 ft. elevation. Each of the participating seed companies offer a compliment of varieties that can serve to match various production strategies commonly employed in the state. The 1998 cotton season was a very difficult one for many cotton producing areas in AZ below ~2,000 ft. elevation, characterized by a cool wet spring, late planting, a delayed crop, and a strong monsoon season that reduced fruit retention in many cases. Many varieties commercially available performed well at several locations demonstrating good adaptation to Arizona conditions.