1. The Kennedy Leigh Centre for Horticultural Research and The Otto Warburg Center for Biotechnology in Agriculture, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel (A.V., D.W.);
2. Newe Ya'ar Research Center, ARO, Ramat Yishay 30095, Israel (E.L.); and
3. Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, Michigan 48109 (E.P.)