Supplemental Data. Hydraulic tradeoffs underlie enhanced performance of polyploid trees under soil water deficit

Supplemental Figure S1. Correlation between branch length and diameter for diploid (purple), triploid (brown), and tetraploid (blue) trees grown on their own roots in the field.

Supplemental Figure S2. Leaf phenology of diploid (pink), triploid (brown), and tetraploid (blue) grafted atemoya genotypes grown in the greenhouse.

Supplemental Figure S3. Aboveground organ measurement in grafted scions of diploid (purple), triploid (brown), and tetraploid (blue) atemoya trees grown in the greenhouse.

Supplemental Figure S4. Correlation between SI and leaf area in diploid (pink), triploid (brown), and tetraploid (blue) grafted atemoya polyploids.

Supplemental Figure S5. Vessel element radii (logarithmic scale) in the continuum formed by stems of decreasing diameters (circles), leaf veins of increasing order (triangles), and flower pedicels (ribbons) of diploid (pink), triploid (brown), and tetraploid (blue).

Supplemental Figure S6. Relative humidity (blue) and temperature (red) in the greenhouse during 2019 and 2020.

Supplemental Figure S7. Total leaf number per branch in diploid (pink), triploid (brown), and tetraploid (blue) atemoya scions at the end of the growth season (June 2020), as a function of treatment.

Supplemental Figure S8. Stomatal conductance of diploid (pink), triploid (brown), and tetraploid (blue) grafted atemoya genotypes grown in the greenhouse under three irrigation regimes.

Supplemental Table S1. Gas exchange variables.