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Fig. 5 | Annals of Forest Science

Fig. 5

From: Seedlings of two Acacia species from contrasting habitats show different photoprotective and antioxidative responses to drought and heatwaves

Fig. 5

Maximum quantum efficiency of PSII in the dark (F v /F m ) and maximum quantum efficiency of PSII in the light (F v ′/F m ′) of two Acacia species (A. aneura and A. melanoxylon) under well-watered (open circle) and drought-stressed (closed circle) treatments. Vertical line, shaded areas, letters and asterisks described as in Fig. 1. Values are means (±SE) of n = 5. F v /F m : Effects of sampling day, species and treatment as well as their interactions were statistically significant (p < 0.01). F v ′/F m ′: Effects of sampling day, species and treatment as well as their interactions (species by treatment, treatment by day) were statistically significant (p < 0.01)

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Annals of Forest Science

ISSN: 1297-966X