Zutta B. R., Nobel P. S., Aramians A. M., Sahaghian A., Low- and High-Temperature Tolerance and Acclimation for Chlorenchyma versus Meristem of the Cultivated Cacti Nopalea cochenillifera, Opuntia robusta, and Selenicereus megalanthus, Journal of Botany, 2011, 2011:347168, doi: 10.1155/2011/347168
The study compares the viability of photosynthetic parenchyma and axillary bud meristems in three cultivated cacti. It includes one hour of exposure to low temperature after different acclimation conditions.