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. 2000 Sep;124(1):183–190. doi: 10.1104/pp.124.1.183

Figure 3.

Figure 3

Electrolyte leakage rates of cellular membranes, expressed as Rc, of leaves of Maidenhair tree in response to the frosting treatments after long-term (5 years) growth at ambient (□) and elevated (▪) CO2 partial pressures. Values are means of four leaves, one per plant at each CO2 partial pressure ± se. All measurements were made mid-month. No significant differences between CO2 partial pressures for each CO2 partial pressure, except at −6.5°C (P < 0.05, two sample t tests).