1. Department of Plant and Environmental Sciences, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram, Jerusalem 9190401, Israel
2. Abteilung Pflanzenphysiologie, Institut für Biowissenschaften, Universität Rostock, A.-Einstein-Str. 3, Rostock D-18059, Germany
3. Gilat Research Center, Institute of Plant Protection, Agricultural Research Organization, M.P. Negev 85280, Israel
4. Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche 60121, Ancona, Italy