Historical Perspective: Soil Injection of Thiocarbamates for Nutsedge Control in Cotton

R.S. Baker


 
ABSTRACT

EPTC was recommended in Mississippi as a soil injected treatment for nutsedge control in cotton from 1965 through 1973. During the first 4 years of use, the application was confined to the time of planting. Horizontal or vertical blades mounted in front of the planter assured the precise placement of the EPTC which was necessary for cotton safety. Rates of 0.75 to 1.5 lb/A on a broadcast basis were applied 1.5 inches deep on the row shoulders, with EPTC no closer than 4 inches from the cottonseed. The practice was used successfully by a small number of dedicated growers. The planting time application phased out largely due to the lack of commercially available equipment, and the high level of management which discouraged its use. From 1969 through 1973 EPTC was recommended only as a soil-injected application after cotton stand establishment. Although research with butylate proved promising, it was not as effective as EPTC and was never recommended.



Reprinted from 1987 Proceedings: Beltwide Cotton Production Research Conferences pp. 356 - 358
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998