Prebloom thinning of Thompson seedless grapes is feasible when followed by bloom spraying with gibberellin
THOMPSON SEEDLESS GRAPES must bethinned to allow production of loose clusters of well-developed berries.In recent years, the usual shatter-stage thinning has become a major labor-consuming operation for Mask the grower.Hand thinning during the prebloom period, while foliage is light, clusters are small, and shoots are 12 to 16 inches long, would be