Zilberstaine, M., Dept. Crop Protection, Extension Service, Tel-Aviv 61070, Israel
Herzog, Z., Dept. Crop Protection, Extension Service, Tel-Aviv 61070, Israel
Manulis, S., Dept. Plant Pathology, ARO, Volcani Center, Bet-Dagan 50250, Israel
Zutra, D., Dept. Plant Pathology, ARO, Volcani Center, Bet-Dagan 50250, Israel

[No abstract available]