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Table 2 The 22 most shared chemical compounds by compound class, and their insecticidal properties in previous literature

From: Shared phytochemicals predict efficacy of essential oils against western flower thrips (Frankliniella occidentalis) in the greenhouse

Compound

Compound class

Effect in this study?

Found in insecticidal essential oils?

Specific chemical insecticidal?

Against thrips?

References

Linalool

Noncyclic monoterpene

Y

Y

Sometimes

Y

[13, 43,44,45,46]

Myrcene

Noncyclic monoterpene

Y

Y

Sometimes

Boosted when thrips feed

[41, 44, 47, 48]

trans-β-Ocimene

Noncyclic monoterpene

N

Y

Is nematicidal

Could not find

[49, 50]

1,8-Cineole

Cyclic monoterpene

Y, neg

Y

Sometimes

Y

[13, 43, 44, 51]

α-Phellandrene

Cyclic monoterpene

N

Y

Y

Boosted when thrips feed

[41, 48]

α-Terpinene

Cyclic monoterpene

Y

Y

Sometimes

Y

[13, 43, 48, 52]

α-Thujene

Cyclic monoterpene

Y

Y

N

Could not find

[46, 47, 52]

Borneol

Cyclic monoterpene

Y

Y

Sometimes

Y

[13, 43,44,45, 53]

p-Cymene

Cyclic monoterpene

Y

Y

Y

N

[13, 52,53,54]

γ-Terpinene

Cyclic monoterpene

Y

Y

Sometimes

Could not find

[43, 52]

Limonene

Cyclic monoterpene

N

Y

Y

Boosted when thrips feed

[41, 43, 44, 48]

Terpinolene

Cyclic monoterpene

Y

Y

Y

Could not find

[41]

cis-p-Menth-2-en-1-ol

Terpene alcohol, cyclic monoterpene

Y

Y

Could not find

Could not find

[55]

Terpinen-4-ol

Terpene alcohol, cyclic monoterpene

Y

Y

Y

Could not find

[43, 44, 46, 52]

α-terpineol

Terpene alcohol, cyclic monoterpene

N

Y

Sometimes

Y

[13, 43,44,45, 56]

α-Pinene

Bicyclic monoterpene

N

Y

Sometimes

Y

[13, 41, 43, 44, 46,47,48]

β-Pinene

Bicyclic monoterpene

N

Y

Sometimes

Y

[13, 46, 47, 57]

Camphene

Bicyclic monoterpene

N

Y

Y

Y

[13, 44]

Sabinene

Bicyclic monoterpene

N

Y

Sometimes

Could not find

[41, 51, 58]

β-caryophyllene

Bicyclic sesquiterpene

Y

Y

Y

Could not find

[47, 52, 57, 59]

δ-Cadinene

Bicyclic sesquiterpene

Y

Y

Could not find

Could not find

[57]

trans-Cadina-1(6),4-diene

Cadinene sesquiterpene

Y

Y

Could not find

Could not find

[14, 54]