Abstract
The distributions of Thompson Seedless berries for weight and soluble solids weight were normal whether or not the vines were sprayed during bloom with gibberellic acid (GA<sub>3</sub>) at concentrations of 5 or 10 ppm. The distributions for soluble solids content, however, mostly departed significantly from normality. Airstream grades of raisins, either as percent B or better, or percent substandard, correlated significantly with fruit maturity (°Brix) and fresh berry weight, similarly to raisins from nongibberellic acid-treated vines. Bloom-applied GA<sub>3</sub> at 10 ppm significantly increased fresh berry weight, but not maturity, vine yield, or percent water berries. Neither were raisin berry weight, airstream grades, or scoreable mold levels significantly affected by GA<sub>3</sub> at either 5 or 10 ppm.
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