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Fig. 4 | BMC Plant Biology

Fig. 4

From: Tolerance of citrus plants to the combination of high temperatures and drought is associated to the increase in transpiration modulated by a reduction in abscisic acid levels

Fig. 4

Chlorophyll fluorescence parameters in citrus plants subjected to different stress treatments. Quantum efficiency (ΦPSII) (a) and maximum efficiency of PSII photochemistry (Fv/Fm ratio) (b) in Carrizo and Cleopatra plants subjected to drought (WS), heat (HS) and their combination (WS + HS). Different letters denote statistical significance at p ≤ 0.05. G: genotypes; T: stress treatment; GxT: interaction genotype x stress treatment. *P < 0.05; **P < 0.01; ***P < 0.001; ns: no statistical differences

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BMC Plant Biology

ISSN: 1471-2229

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