Skip to main content
. Author manuscript; available in PMC: 2018 Jan 30.
Published in final edited form as: J Chem Ecol. 2015 Nov 6;41(12):1105–1117. doi: 10.1007/s10886-015-0646-y

Table 1.

List of selected biogenic volatile organic compounds (BVOCs) analyzed by a proton-transfer-reaction time-of-flight mass spectrometer (PTR-TOF-MS) in aspen (Populus tremula) leaf wounding experiments

Compound Molecular formula of the protonated compound Protonated molecular mass Molecular mass of major fragments Average abundance in the wound-induced volatile blend (parts per million) Explained variance (r2) for the linear correlation with wound length a
Lightweight oxygenated compounds (LOCs)      430000     0.66***
     formaldehyde (CH2O)H+ 31.018      1000     0.54***
     methanol (CH4O)H+ 33.034      150000     0.71***
     acetaldehyde (C2H4O)H+ 45.034      260000     0.63***
     formic acid (CH2O2)H+ 47.013      2700     0.70***
     ethanol (C2H6O)H+ 47.049      3100     0.43***
     acetone (C3H6O)H+ 59.049      4400     0.61***
     acetic acid (C2H4O2)H+ 61.028      2500     0.57***
Pentenyl family LOX products      6000     0.78***
     pentenal (C5H8O)H+ 85.065 71.086     0.77***
     pentenone (C5H8O)H+ 85.065     0.81***
     pentanal (C5H10O)H+ 87.080 71.086     0.70***
     pentenol (C5H10O)H+ 87.080 69.070     0.70***
Hexenal family LOX products      560000     0.80***
     hexenal (C6H10O)H+ 99.080 81.070      560000     0.77***
     hexenol (C6H12O)H+ 101.096 83.085      2200     0.68***
     hexenyl acetate (C8H14O2)H+ 143.107      140     0.60***
Hexanal family LOX products      800     0.76***
     hexanal (C6H12O)H+ 101.096 83.085      700     0.68***
     hexanol (C6H14O)H+ 103.112 85.101      47     0.80***
     hexyl acetate (C8H16O2)H+ 145.122      17     0.42***
Benzenoids and jasmonates      60     0.52***
     methyl benzoate b (C8H8O2)H+ 137.060      28     0.33**
     methyl salicylate b (C8H8O3)H+ 153.055      15     0.64***
     jasmonic acid c (C12H18O3)H+ 211.133      10     0.15*
     methyl jasmonate c (C13H20O3)H+ 225.146      8     0.16*
Induced isoprenoids (isoprenoids other than isoprene)    180     0.51***
     Σ monoterpenes (C10H16)H+ 137.133 81.070      90     0.40**
     DMNT d (C11H18)H+ 151.148      22     0.36***
     Linalool (C10H20O)H+ 155.143      27     0.29**
     Σ sesquiterpenes (C15H24)H+ 205.195      22     0.37***
     TMTT e (C16H26)H+ 219.211      14     0.14*
a

The explained variances are given for the correlations of the wound length with the emitted volatiles during 7 min after wounding. Experiments involving linear cuts with razor blade and leaf punctures were pooled

b

Phenylpropanoid compound; (c) LOX products; (d) (E)-4,8-dimethyl-1,3,7-nonatriene; (e) (E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene

c

LOX products

d

(E)-4,8-dimethyl-1,3,7-nonatriene

e

(E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene

Asterisks denote the statistical significance: (*) P<0.05; (**) P<0.01; (***) P<0.001