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Am. J. Enol. Vitic. 47:3:340-342 (1996)
Copyright © 1996 by the American Society for Enology and Viticulture.
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Streptomycin-induced Seedlessness in the Grape Cultivar Rubi (Italia Red)

C. V. Pommer 1, E. J. P. Pires 1, M. M. Terra 1, and I. R. S. Passos 1

1 Viticulture Section, Instituto Agronômico de Campinas, Caixa Postal 28 - 13001-970 Campinas, SP, Brazil.

An experiment was conducted to induce seedlessness in the seeded grape cultivar Rubi (Italia Red) using a commercial source of streptomycin. Streptomycin (400 mg/L) applied to clusters six to eight days before bloom, followed by 30 mg/L GA3 12 days after bloom, resulted in commercially acceptable clusters (476 g) and 100% seedless berries weighing 6.3 g. This technique may allow growers to produce seedless berries from seeded table grape cultivars.

Key words: table grapes, seedlessness induction, streptomycin, Vitis vinifera, Italia Red

Submitted on October 31, 1994






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Copyright © 1996 by the American Society for Enology and Viticulture.