1. Max-Planck Institute of Molecular Plant Physiology, 14476 Potsdam-Golm, Germany (S.N.O., J.E.L., E.U.W., A.L., J.T.v.D., B.F., A.R.F., P.G.); Leibniz-Institute of Vegetable and Ornamental Crops, 14979 Grossbeeren, Germany (P.G.); and University of Potsdam, Institute of Chemistry and Interdisciplinary Center for Photonics, 14476 Potsdam-Golm, Germany (E.S.)