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Table 2 Volatile compounds emitted by S. wertheimae galls and by leaves and infructescences of P. atlantica

From: Gall volatiles defend aphids against a browsing mammal

   

Gall

Leaf

Infructescence

Compound

Code

 

ng h-1 g-1DW

% total

ng h-1 g-1DW

% total

ng h-1 g-1DW

% total

α-Pinene*

apin

M

43.6 ± 17.5

8.7

2.5 ± 0.8

1.4

16.3 ± 4.7

8.3

Camphene*

camp

M

n.d.

0

n.d.

0

0.5 ± 0.2

0.3

Sabinene*

sabi

M

51.1 ± 50.0

10.2

n.d.

0

69.7 ± 31.8

35.7

β-Pinene*

bpin

M

18.6 ± 13.0

3.7

1.1 ± 0.8

0.6

9.5 ± 2.5

4.9

β-Myrcene*

myrc

M

30.5 ± 4.8

6.1

n.d.

0

11.6 ± 5.8

5.9

α-Phellandrene*

aphe

M

16.7 ± 3.8

3.3

n.d.

0

n.d.

0

2-Carene*

2car

M

0.8 ± 0.8

0.2

n.d.

0

n.d.

0

3-Carene*

3car

M

88.7 ± 88.6

17.8

n.d.

0

n.d.

0

p-Cymene*

cyme

M

5.7 ± 0.8

1.1

n.d.

0

n.d.

0

β-Phellandrene

bphe

M

27.6 ± 9.8

5.5

n.d.

0

n.d.

0

Limonene*

limo

M

181.0 ± 57.2

36.2

9.8 ± 6.6

5.2

87.3 ± 24.9

44.7

(Z)-Ocimene

zoci

M

n.d.

0

65.6 ± 48.0

34.6

n.d.

0

(E)-β-Ocimene*

boci

M

1.0 ± 0.4

0.2

110.5 ± 80.1

58.3

0.5 ± 0.6

0.3

γ-Terpinene*

gter

M

12.3 ± 8.1

2.5

n.d.

0

n.d.

0

Terpinene-4-ol*

terp

M

3.9 ± 3.3

3.5

n.d.

0

n.d.

0

α-Terpinolene

ater

M

17.3 ± 8.8

0.8

n.d.

0

n.d.

0

Germacrene D*

germ

S

0.7 ± 0.3

0.1

n.d.

0

n.d.

0

  1. *Compound identified by comparison with authenticated standard. Tentative identification of other compounds by comparison of retention indices and mass spectra with Wiley 275 and Massfinder/Terpenoids library databanks. M Monoterpene or derivative, S Sesquiterpene or derivative, n.d. not detected. Mean values ± standard errors are given.