Further Tests of Dry Sulfur Compounds for the Control of the San Jose Scale

Abstract

During the season of 1919 a series of experiments for the control of the San Jose scale was conducted in two orchards on the west side of the state. The object of these experiments was to make a thorough test, under field conditions, of several widely advertised dry sulfur compounds
intended for the control of the San Jose scale. A description of these experiments and the results have been published in Experiment Station Circular No. 239, this work being conducted by W. S. Brock, of the Horticultural Department of the University of Illinois, and the present writer.