Table 1.

Composition of Cuticular Wax on Leaves of the Wild Type and the shn Mutant

Compound ClassWild Type (Ws) (μg/cm2) n = 5Mutant shn (μg/cm2) n = 7Average Fold Increase
Fatty acids0.13 ± 0.020.50 ± 0.303.8**
Aldehydes0.05 ± 0.030.11 ± 0.122.2
Primary alcohols0.18 ± 0.030.50 ± 0.282.8**
Alkyl esterstr0.07 ± 0.051.4***
Alkanes0.23 ± 0.062.08 ± 1.389.0***
Secondary alcoholstr0.10 ± 0.0311.9***
Ketones0.01 ± 0.010.11 ± 0.0811.0***
Steroids0.08 ± 0.050.34 ± 0.274.3**
Isoalcohols0.05 ± 0.040.11 ± 0.092.2
Unidentified0.07 ± 0.070.84 ± 0.7712.0
Total0.80 ± 0.264.78 ± 2.356.0***
  • The coverage of total extracted lipids and of individual compound classes are given as mean values with standard deviation. tr, traces (<0.05 μg/cm2 detectable). Level of significance obtained with a Student's t test are marked by the following: **, P < 0.05; ***, P < 0.01.