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. 2016 Sep 12;172(3):1669–1678. doi: 10.1104/pp.16.00923

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Figure 5. — Drought-induced changes in Lp_r and percentage area covered by cortical lacunae (of total cortical area) in grapevine fine roots as a function of stem water potential. Each gray triangle symbol represents a single root analyzed (dashed gray line is best fit, , , P = 0.0035). Lp_r was measured on roots obtained from plants subjected to drought at different Ψ_stem (solid line is best fit, , , P < 0.0001). To evaluate the ability to recover Lpr following drought, Lp_r was determined from rewatered plants. (i.e. in the region of Ψ_stem between −1.0 and −2.0 MPa) that recovered for 1 day after watering. Each circle represents mean ± se (n = 3 roots).

Inline graphic — Drought-induced changes in Lp_r and percentage area covered by cortical lacunae (of total cortical area) in grapevine fine roots as a function of stem water potential. Each gray triangle symbol represents a single root analyzed (dashed gray line is best fit, , , P = 0.0035). Lp_r was measured on roots obtained from plants subjected to drought at different Ψ_stem (solid line is best fit, , , P < 0.0001). To evaluate the ability to recover Lpr following drought, Lp_r was determined from rewatered plants. (i.e. in the region of Ψ_stem between −1.0 and −2.0 MPa) that recovered for 1 day after watering. Each circle represents mean ± se (n = 3 roots).