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Table 2 Esters contents (µg L−1) of harvested apples of protective applications of individuals and combinations of EOs against B. Cinerea (X ± SE)

From: Volatile organic compounds produced by some synthetic essential oils as biological fumigants against Botrytis cinerea on apples

Compounds

CT

Fun

Thy + Fun

Cin + Fun

Eug + Fun

Cin + Eug + Fun

Thy + Eug + Fun

Thy + Cin + Fun

Thy + Cin + Eug

 + Fun

p-value

Esters

 Ethyl acetate

24.6 ± 2.0i

27.9 ± 2.3h

41.7 ± 4.1g

43.2 ± 3.7f

64.9 ± 3.8b

43.3 ± 6.5e

73.4 ± 5.7a

49.0 ± 3.6c

47.2 ± 4.2d

 < 0.00001

 Ethyl propionate

30.6 ± 5.5i

34.0 ± 6.2h

44.5 ± 11.9g

49.5 ± 13.3f

192.9 ± 9.5a

176.3 ± 38.5b

84.1 ± 22.6d

64.4 ± 11.7e

140.3 ± 6.9c

 < 0.00001

 Ethyl isobutyrate

38.9 ± 7.1i

44.1 ± 8.1h

57.0 ± 9.5g

59.0 ± 9.9f

88.6 ± 14.8b

68.6 ± 12.6d

100.3 ± 16.8a

77.6 ± 14.2c

64.5 ± 10.8e

 < 0.0001

 Propyl acetate

45.0 ± 2.4h

50.1 ± 2.6f

43.1 ± 16.9i

47.9 ± 18.8g

73.3 ± 28.8d

85.1 ± 4.5b

81.5 ± 3.2c

94.7 ± 5.0a

53.3 ± 21.0e

0.0125

 Ethyl butyrate acetate

61.0 ± 13.8i

67.9 ± 15.4h

71.5 ± 8.3g

86.9 ± 10.1f

145.3 ± 16.8c

138.0 ± 31.2d

161.6 ± 18.7a

153.5 ± 34.7b

100.2 ± 11.6e

 < 0.00001

 Ethyl 3-methylbutanoate

31.5 ± 3.9h

35.1 ± 4.4g

37.4 ± 1.1e

41.6 ± 12.2c

41.2 ± 2.9d

36.2 ± 3.0f

70.8 ± 20.8a

66.4 ± 8.3b

30.0 ± 2.1i

0.0003

 Butyl acetate

13.9 ± 2.5i

15.5 ± 2.8h

20.3 ± 5.4g

22.6 ± 6.0f

87.9 ± 4.3a

80.3 ± 17.5b

38.3 ± 10.3d

29.3 ± 5.3e

63.9 ± 3.1c

 < 0.00001

 Ethyl pentanoate

42.4 ± 5.3i

47.2 ± 5.9h

50.3 ± 14.8g

61.2 ± 1.8f

102.3 ± 30.2c

95.9 ± 12.1d

113.7 ± 33.5a

106.6 ± 13.4b

70.5 ± 20.8e

0.0006

 Ethyl hexanoate

12.0 ± 2.2i

13.4 ± 2.4h

17.5 ± 4.7g

19.4 ± 5.2f

29.7 ± 8.0b

22.7 ± 4.1d

33.0 ± 8.9a

25.3 ± 4.6c

21.6 ± 5.8e

0.0027

 Hexyl acetate

40.3 ± 12.6i

44.8 ± 1.4h

49.1 ± 12.5g

59.7 ± 15.2f

99.9 ± 25.4c

91.1 ± 28.2d

111.0 ± 31.6a

101.3 ± 17.4b

68.8 ± 28.4e

0.0032

 (Z)-3-Hexenyl acetate

79.8 ± 4.2i

90.3 ± 4.8h

93.7 ± 9.8g

97.0 ± 10.1f

145.8 ± 15.2c

140.5 ± 7.5d

165.0 ± 17.2a

159.0 ± 8.5b

106.0 ± 11.1e

 < 0.00001

 Ethyl heptanoate

184.7 ± 15.1i

205.4 ± 16.8g

192.5 ± 85.4h

214.1 ± 130.7f

327.4 ± 28.6d

349.3 ± 145.3c

364.1 ± 31.8b

388.4 ± 95a

238.1 ± 76.9e

0.029

 Ethyl octanoate

429.9 ± 39.4i

486.7 ± 44.6g

481.3 ± 31.7h

498.4 ± 32.7f

748.6 ± 49.2d

757.0 ± 69.4c

847.4 ± 55.7b

856.9 ± 78.6a

544.4 ± 35.8e

 < 0.00001

 Ethyl 3-hydroxybutyrate

173.4 ± 13.5b

113.1 ± 5.0d

265.9 ± 25.6a

265.9 ± 25.6a

123.4 ± 6.7c

173.4 ± 13.5b

265.9 ± 25.6a

113.1 ± 5.0d

123.4 ± 6.7c

 < 0.00001

  1. Different letters in the same column indicate statistically significant differences (p ≤ 0.01). ns; not significant