Abstract
We compared responses of maize, tomato, and bean plants to water stress. Maize reached a severe water deficit (leaf water potential −1.90 MPa) in a longer period of time as compared with tomato and bean plants. Maize stomatal conductance (g s) decreased at mild water deficit. g s of tomato and bean decreased gradually and did not reach values as low as in maize. The protein content was maintained in maize and decreased at low water potential (ψw); in tomato it fluctuated and also decreased at low ψw; in bean it gradually decreased. Ribulose-1,5-bisphosphate carboxylase/oxygenase activity remained high at mild and moderate stress in maize and tomato plants; in bean it remained high only at mild stress.
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Castrillo, M., Fernandez, D., Calcagno, A. et al. Responses of Ribulose-1,5-Bisphosphate Carboxylase, Protein Content, and Stomatal Conductance to Water Deficit in Maize, Tomato, and Bean. Photosynthetica 39, 221–226 (2001). https://doi.org/10.1023/A:1013731210309
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DOI: https://doi.org/10.1023/A:1013731210309