Table 5 Inhibition Zone Diameter (IZD) of essential oils of some forest species against post-harvest apple pathogenic fungi using agar well diffusion assay.

From: Phytochemical characterization of forest leaves extracts and application to control apple postharvest diseases

Plant species

Essential oil concentrations

IZD Phytopathogenic fungi (mm)

C. gloeosporioides

A. alternata

E. globulus

4

16.34 ± 0.01aa*

22.65 ± 0.21a

2

13.22 ± 0.23b

18.67 ± 0.09b

1

11.15 ± 0.27c

16.12 ± 0.11c

0.5

9.22 ± 0.33d

12.15 ± 0.14d

0.25

6.18 ± 0.11e

7.23 ± 0.13e

0.125

00.00 ± 0.00f

00.00 ± 0.00f

P. lentiscus

4

12.23 ± 0.04a

16.56 ± 0.12a

2

9.45 ± 0.06b

14.38 ± 0.08b

1

8.32 ± 0.05c

14.11 ± 0.10b

0.5

8.22 ± 0.09c

10.26 ± 0.21c

0.25

7.11 ± 0.12d

9.45 ± 0.13d

0.125

00.00 ± 0.00

00.00 ± 0.00e

J. phoenicea

4

13.56 ± 0.40a

15.12 ± 0.04a

2

9.11 ± 0.09b

9.65 ± 0.06b

1

5.10 ± 0.08c

7.81 ± 0.02c

0.5

3.00 ± 0.02d

5.12 ± 0.03d

0.25

00.00 ± 0.00e

1.51 ± 0.01e

0.125

00.00 ± 0.00e

00.00 ± 0.00e

P-valueb

 

 < 0.01

 < 0.01

DMSO (negative control)

 

–

–

  1. Values are mean ± standard error of the mean for bioassay conducted in triplicates. *Sensitive (IZD ≥ 11 mm: Bauer et al., 1966); a Tukey’s Test, values followed by different superscripts are significantly different at P ≤ 0.05; b Probabilities associated with individual F tests.
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