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Nonstomatal limitations are responsible for drought-induced photosynthetic inhibition in four C4 grasses
2003
New Phytologist
• Here, the contribution of stomatal and nonstomatal factors to photosynthetic inhibition under water stress in four tropical C4 grasses was investigated (Panicum coloratum, Bothriochloa bladhii, Cenchrus ciliaris and Astrebla lappacea). • Plants were grown in well watered soil, and then the effects of soil drying were measured on leaf gas exchange, chlorophyll a fluorescence and water relations. • During the drying cycle, leaf water potential (Ψleaf ) and relative water content (RWC) decreased
doi:10.1046/j.1469-8137.2003.00835.x
pmid:33873592
fatcat:iotv3lsyzzac7ch6fwivmjfi2a