Normally lemons ripen and are ready for market in winter, when demand is lowest and competition is greatest. Using the Verdelli process, growers can stress their trees and produce a second crop in the summer, when demand is a t its peak. (Max Clover took the cover photo in a citrus grove near Bakersfield.)

The authors gratefully acknowledge the assistance of K. Totzky and C. Peterson for help in the collection of field data.