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- Author or Editor: R.B. Reader x
In the laboratory, gibberellic acid (GA3) applied to Tabasco pepper (Capsicum frutescens L.) seed at 1000 ppm for 48 hr and priming in 2.75% KNO3 for 144 hr significantly stimulated seed germination performance (a function of germination rate and percent germination). In the field, GA3-treated and primed seed treatments were direct-seeded or plug-mix planted and were evaluated for germination, emergence, and yield. In addition, a pregerminated plug-mix seed treatment and a transplanting treatment also were evaluated. Seed priming and GA3 treatment significantly decreased field emergence of both direct-seeded and plug-mix planted treatments. Seedling emergence percentages of untreated seed that was direct-seeded, and pregerminated seed that was planted in plug-mix were significantly higher than other treatments. Greatest stand percentage was observed in the pregerminated seed treatment. Mean rates of emergence increased in primed and pregerminated seed treatments. Total fruit yields of Tabasco were increased by transplanting or pregerminated seed treatments; red fruit yields were greater in pregerminated seed treatments.