Fig. 2From: Asymbiotic seed germination and in vitro seedling development of Orchis militaris, an endangered orchid in SiberiaComparative effects of plant growth regulators and photoperiod on the germination of immature seeds of Orchis militaris during 5 months of cultivation. # * mark is the indication of the 16/8 h L/D photoperiod conditions, in which seed cultivation on these media was performed, in contrast to the dark conditions (0/24 h L/D), applied with the media without this mark; the means having the same superscript letters in a column were not significantly different as determined by Duncan’s multiple range test (p < 0.05)Back to article page