Weaver, Robert J ... Botanical Gazette 114:1 1. Clusters and foliage of Black Corinth grapes were sprayed with 4-chlorophenoxyacetic acid at concentrations of 10, 25, 50, 100, or 300 p.p.m. Large berries and compact clusters ... September ... May 24, May 28, June 3 ... p.p.m. Large berries and ... range from 10 to 50 p.p
