TY - JOUR T1 - Defoliation of Vitis Vinifera Grapevines by Artificial Means JF - American Journal of Enology and Viticulture JO - Am J Enol Vitic. SP - 76 LP - 79 DO - 10.5344/ajev.1971.22.2.76 VL - 22 IS - 2 AU - Robert J. Weaver AU - Robert M. Pool Y1 - 1971/01/01 UR - http://www.ajevonline.org/content/22/2/76.abstract N2 - Chemical defoliants, desiccants, and mechanical aids were tested at different stages of grapevine development. Effective in defoliating the grapevines was flaming followed by removal of the dried leaves with a stream of water. Flaming left no residue that could contaminate the berries. Most chemical treatments were unsuccessful, primarily because of damage to the clusters. The best chemical treatments were no better than flaming. ER -