Table I. Cuticular wax extracted from the plant surface compared with total stem wax in vesicle-trafficking mutants of Arabidopsis

Average wax content (µg cm−2) ± se is shown for trs120-4, rhd3-1, gnl1-1, and ech compared with the Col-0 wild type.

ParameterCol-0trs120-4gnl1-1echrhd3-1
Total wax19.8 ± 1.719.1 ± 1.312.3 ± 1.1a,b6.2 ± 0.6a,c8.3 ± 0.8a
Surface wax18.3 ± 1.217.7 ± 1.09.5 ± 0.5a3.2 ± 0.6a7.4 ± 1.6a
Intracellular waxd1.51.42.83.00.9
Percent secreted9293775289
  • a Statistically significant difference between the mutant and the wild type (Student’s t test, P < 0.01).  bStatistically significant difference between surface wax and total wax within a genotype (Student’s t test, P < 0.05).  cStatistically significant difference between surface wax and total wax within a genotype (Student’s t test, P < 0.01).  dCalculated from average total wax – average surface wax (µg cm−2).