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Comparison of inflow rates into plant stems of Encelia farinosa, Laurus nobilis, and a tubing control, measured with a XYL'EM apparatus (Cochard et al., 2000) and simultaneous outflow rates from these samples measured with a Sperry apparatus (Sperry et al. 1988). Significant differences (p <0.05) between inflow and outflow rates are designated by an asterisk.
