TY - JOUR AU - Erickson, Louis C. TI - 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 JF - California Agriculture JO - Calif Agr Y1 - 1952/11/01 VL - 6 IS - 11 SP - 7 EP - 15 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v006n11p7 AB - 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.