the plates. The Petri dishes were further kept in a climate chamber
(type TE 1200, Viessmann, Hof, Germany) at T = 14 ± 2 C and 12 h
light period (approx. 2 mol m2 total daily photon dose; Sylvania
T8 F58W/840 G13 LuxLine Plus Cool White, Havells Sylvania Germany
GmbH, Erlangen, Germany).