Authentication of Weed Loss Estimates in South Carolina Cotton

John R. Abernathy and J.W. Keeling


 
ABSTRACT

Cotton fields were survey in 1985 for weed infestation levels near harvest. These weeds have escaped control measures and are likely to cause yield loss and fiber contamination. Two counties were selected with largest cotton acreage in South Carolina. Fields were randomly selected driving along major highway through the counties. The survey was conducted by making at least 20 stops in each filed at random sites and counting the number and species of weed present in a two square meter area. Survey results indicant goosegrass was the most abundant weed present in both counties. A dinitroanaline resistant goosegrass biotype has been documented as being present in this part of South Carolina. This survey supports this problem. Sicklepod and prickly sida were the most abundant broadleaf weeds.



Reprinted from 1986 Proceedings: Beltwide Cotton Production Research Conferences pp. 253 - 254
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998