Liguori, G., Inglese, G., Pernice, F., Sortino, G. and Inglese, P. 2013. CO2 uptake of Opuntia ficus-indica (L.) Mill. whole trees and single cladodes, in relation to plant water status and cladode age. Italian Journal of Agronomy. 8, 1 (Feb. 2013), e3. DOI:https://doi.org/10.4081/ija.2013.e3.