Fig. 1
From: Cryopreservation without vitrification suitable for large scale cryopreservation of orchid seeds

The effect of pre-treatment of PVS2 and PVS3 (30 and 60 min) on germination (protocorms and seedlings) of cryopreserved Angraecum protensum on recovery medium 1 (RM1) containing Phytamax nutrients. C cryopreserved, NC non-cryopreserved. Total viable seed tested = 10,535