RT Journal Article SR Electronic T1 Endogenous GA-like Substances in Dipping Waters of Cuttings of Two Vitis Rootstocks JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 1 OP 6 DO 10.5344/ajev.1986.37.1.1 VO 37 IS 1 A1 G. Bartolini A1 M. A. Toponi A1 L. Santini YR 1986 UL http://www.ajevonline.org/content/37/1/1.abstract AB Dipping bases of cuttings in water stimulated rooting of Vitis rootstocks 5BB, easy-to-root and 140 Ru, hard-to-root. Endogenous GA-like substances were obtained from the dipping waters with different treatments. A relationship between the levels of GA-like substances in the diffusate and rooting appeared. The possible relationship between the new equilibrium upon dipping and the rooting process is discussed.