TY - JOUR AU - Stewart, W. S. AU - Klotz, L. J. AU - Hield, H. Z. TI - Growth regulators: Effect of 2,4-D investigated in studies on Washington navels JF - California Agriculture JO - Calif Agr Y1 - 1951/08/01 VL - 5 IS - 8 SP - 4 EP - 4 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v005n08p4 AB - Satisfactory control of naval orange fruit drop is achieved by California citrus growers who have applied 2,4-D as a plant growth regulator on commercial acreage since 1947.