Washington navel fruit drop: Effects of 2,4-D on drop of sound and unsound oranges when sprays were applied in the late fall and winter
Louis C. Erickson, University of California College of Agriculture
California Agriculture 6(11):7-15. DOI: 10.3733/ca.v006n11p7.
Louis C. Erickson is Assistant Plant Physiologist, University of California College of Agriculture, Riverside;
Not available – first paragraph follows:
Sound Washington Navel orange fruit was the only type in which drop was consistently reduced by a highly significant amount—1 % level of probability—in studies in orchards near Pomona and Redlands.
The above progress report is based on Research Project No. 1346