Changes in the percentage of the number of cavitated vessles.

The percentage of the number of cavitated vessels at the start of the experiment and the first irrigation period. Sampling (Start) was conducted just before stopping irrigation, and sampling (first irrigation) was conducted during the recovery period of each drought-irrigation cycle. Bars indicate ± 1 standard error of the mean (n = 3–4). The p-value derived from the analysis of deviance to validate the independent variables is shown.