AbstractThe effects of scarification and the use of gibberellic acid were studied on the germination of Congo watermelon seed observed in the germinating flats 7, 8, 10, and 14 days after sowing. Observations were made on the percentage of germinated seeds. The major results were as follows: 1. Gibberellic acid at concentrations of 50 and 100 p.p.m. considerably reduced the germination of the watermelon seed. This effect was observed on all four dates that the germination was counted. The reduction in germination increased as the concentration of the gibberellic acid increased. 2. None of the scarification treatments was statistically superior to the check. This was found at all four germination countings.
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