Budding and fruitifulness of seedles grapes in the São Francisco river Valley.

Aiming to evaluate the bud burst perecntage and frultifulness index of tive varieties of seedless grape in tive different pruning dates, an experiment was carried out in the Experimental Station of Bebedouro, of Scrni-arid Embrapa, in Petrolina-PE. The varieties were Perlette, Thompson Seedless, Marroo Seedless, Catalunha and Superior Seedlcss, and the pruning times were from: 12/18 to 12/19/2000; 06/18 to 06/21/200 I; 10/23 to 10/29/200 I; O I/29 to 02/05/2002 and 04/08 to 04/12/2002. The best results for budding and fruitfulness were obtained in the Marroo Seedless and Pcrlcttc varictics, bcing favored by pruning in June 2001 and Apri! 2002 in most of the varieties.Edição de 49th Annual Meeting International Society for Tropical Horticulture, Fortaleza, Ago.Set. 2003