Weaver, Robert J ... Botanical Gazette 115:4 1. Black Corinth grape vines at Davis and Madera, California, were sprayed with benzothiazol-2-oxyacetic acid at concentrations varying from 5 to 100 p.p.m. The use of this growth-regulator ... June ... 115:4 ... benzothiazol-2-oxyacetic acid at concentrations ... benzothiazol-2-oxyacetic acid usually retarded coloring. 2. Clusters dipped in