Received for publication September 25, 1975. This work was supported in part by a Grant-in-Aid from the Olive Administrative Committee, Federal Marketing Order No. 932 and from the CIBA-GEIGY Corp.
Professor of Pomology, Post-Graduate Research Pomologist, and Extension Sub-tropical Horticulturist, respectively. The assistance of the Orchard Machinery Co., Yuba City, California in supplying the tree shaking equipment is gratefully acknowledged.