Fig. 3
From: Cryopreservation without vitrification suitable for large scale cryopreservation of orchid seeds

Germination (protocorms and seedlings) percentage of cryopreserved seeds of four species of orchids (Angraecum magdalenae, A. protensum, A. rutenbergianum and Benthamia cinnabarina) treated with PVS2 and recovered on recovery medium 1 containing Phytamax nutrients. Total viable seed = 3082