Table 3: Comparison of volatile compounds (mean ± SE) detected by GC/MS from wax scale-damaged and undamaged persimmon trees.
Emissions (ng/h)
CompoundMayJulySeptember
UDDUDDUDD
(I) Terpenoid compound
 3-Thujene ** **
 4[10]-Thujene *
 α-Pinene ** **
 2[10]-Pinene-[1S,5S]-[ ] *
 β-Pinene * *
 Camphene *
 Limonene * * *
 β-trans-Ocimene *
 β-cis-Ocimene * *
 Farnesene
(II) Alcohol compound
 3-Hexen-1-ol * * *
 2-Ethyl-1-hexanol
(III) Ester compound
 3-Hexenyl-acetate
Notes: UD means undamaged persimmon trees leaves; D means damaged persimmon trees leaves; ** ; * .