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AbstractForty four short staple varieties and Pima S-6 were grown in a replicated trial on the Safford Agricultural Center in Graham county. Most of the varieties were commercially available in the cotton belt, however, a few experimental varieties from the New Mexico acalas, ChemBred and from Delta Pines were included. Seventeen varieties produced more than 4000 pounds of seed cotton per acre with the top variety, BR 110, yielding 4921 pounds per acre. The second variety, HS Sal 10, is a new variety developed by Bill Salmons. 1990 contained some record breaking high temperatures in the month of June which were detrimental to yields in other parts of the state. In this area, this heat spell was not as devastating and in some respects this year was a better cotton year than even 1989.