1. Newe Yaar Research Center, ARO, P.O. Box 1021, Ramat Yishay 30095, Israel
2. Weizmann Institute of Science, Rehovot 76100, Israel
3. Faculty of Agriculture, Food and Environmental Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
4. Volcani Center, ARO, P.O. Box 6, Bet-Dagan 50250, Israel