Table 2.
Antifungal activity of Juniperus polycarpos var. turcomanica essential oil by two different methods
| Fungi | Concentration (µLL−1) | Percent inhibition of mycelia growtha | |||||
|---|---|---|---|---|---|---|---|
| Method | |||||||
| Agar dilution | Disc diffusion | ||||||
| Day | Day | ||||||
| 1 | 3 | 6 | 1 | 3 | 6 | ||
| Alternaria alternata | 100 | 74.4 ± 2.72 bb | 49.6 ± 8.76 d | 27.7 ± 6.66 f | 58.8 ± 2.50 b-e | 43.5 ± 9.56 fg | 27.5 ± 7.11 h |
| 200 | 100.0 ± 0.00 a | 50.0 ± 4.22 d | 39.4 ± 3.79 e | 67.1 ± 6.14a-c | 46.9 ± 3.56 ef | 28.6 ± 6.18 h | |
| 400 | 100.0 ± 0.00 a | 75.9 ± 4.07 b | 51.4 ± 2.41 d | 71.8 ± 3.60 ab | 57.7 ± 8.31c-e | 31.1 ± 7.03gh | |
| 800 | 100.0 ± 0.00 a | 77.6 ± 3.54 b | 65.6 ± 0.91 c | 77.0 ± 6.09 a | 61.1 ± 6.51b-d | 49.4 ± 5.25 d-f | |
| Control (tween + alcohol) | 3.7 ± 1.1 g | 2.3 ± 1.2 g | 0.0 ± 0.0 g | – | – | – | |
| Control | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 i | 0.0 ± 0.0 i | 0.0 ± 0.0 i | |
| Macrophomina phaseolina | 100 | 71.5 ± 4.03 d | 56.9 ± 2.07 e | 44.7 ± 4.29 g | 100.0 ± 0.00 a | 76.9 ± 7.88 de | 65.0 ± 4.67 f |
| 200 | 87.0 ± 9.45 b | 69.4 ± 5.77 cd | 53.3 ± 2.41 f | 100.0 ± 0.00 a | 89.9 ± 1.04b | 73.1 ± 3.67e | |
| 400 | 100.0 ± 0.0 a | 77.3 ± 4.73 c | 62.8 ± 2.65 d | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 81.4 ± 2.46 cd | |
| 800 | 100.0 ± 0.0 a | 85.8 ± 4.47 b | 69.2 ± 1.38 cd | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 85.0 ± 3.79 bc | |
| Control (tween + alcohol) | 3.8 ± 1.2 h | 2.2 ± 1.4 h | 0.8 ± 0.5 h | – | – | – | |
| Control | 0.0 ± 0.0 h | 0.0 ± 0.0 h | 0.0 k ± 0.0 h | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | |
| Curvularia fallax | 100 | 73.7 ± 2.48 bc | 49.3 ± 11.19 d | 27.7 ± 6.66 f | 100.0 ± 0.00 a | 76.9 ± 7.88 de | 65.0 ± 4.67 f |
| 200 | 100.0 ± 0.00 a | 50.0 ± 4.22 d | 39.4 ± 3.79 e | 100.0 ± 0.00 a | 89.9 ± 1.04 b | 73.1 ± 3.67 e | |
| 400 | 100.0 ± 0.00 a | 73.4 ± 6.04 bc | 53.9 ± 5.94 d | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 81.4 ± 2.46 cd | |
| 800 | 100.0 ± 0.00 a | 77.6 ± 3.54 b | 66.6 ± 0.91c | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 85.0 ± 3.79 bc | |
| Control (tween + alcohol) | 3.5 ± 1.4 g | 2.2 ± 1.1 g | 0.0 ± 0.0 g | – | – | – | |
| Control | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | |
| Cytospora sacchari | 100 | 100.0 ± 0.00 a | 75.0 ± 4.07 c | 65.6 ± 5.51d | 72.8 ± 4.20 cd | 63.5 ± 3.79 ef | 48.7 ± 8.07 g |
| 200 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 75.6 ± 2.59 c | 100.0 ± 0.00 a | 71.5 ± 2.96 cd | 59.2 ± 2.46 f | |
| 400 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 83.6 ± 1.05 b | 100.0 ± 0.00 a | 75.3 ± 2.75 c | 67.0 ± 1.06 de | |
| 800 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 87.8 ± 2.38 b | 100.0 ± 0.00 a | 90.6 ± 1.92 b | 75.8 ± 1.90 c | |
| Control (tween + alcohol) | 4.1 ± 1.6 e | 3.7 ± 1.3 ef | 2.5 ± 1.2 ef | – | – | – | |
| Control | 0.0 ± 0.0 f | 0.0 ± 0.0 f | 0.0 ± 0.0f | 0.0 ± 0.0 h | 0.0 ± 0.0 h | 0.0 ± 0.0 h | |
| Fusarium oxysporum | 100 | 100.0 ± 0.00 a | 70.0 ± 2.37 b | 61.1 ± 0.89 b | 100.0 ± 0.00 a | 68.0 ± 3.33d | 51.7 ± 2.67 f |
| 200 | 100.0 ± 0.00 a | 77.9 ± 4.30 ab | 70.0 ± 3.24 b | 100.0 ± 0.00 a | 76.6 ± 8.61c | 59.2 ± 2.24 e | |
| 400 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 80.6 ± 1.42 ab | 100.0 ± 0.00 a | 86.4 ± 2.91b | 71.1 ± 2.84 cd | |
| 800 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 65.6 ± 2.42 b | 100.0 ± 0.00 a | 90.4 ± 1.47 b | 76.4 ± 1.43 d | |
| Control (tween + alcohol) | 3.9 ± 1.3 c | 3.6 ± 1.4 c | 2.2 ± 1.1c | – | – | – | |
| Control | 0.0 ± 0.0c | 0.0 ± 0.0 c | 0.0 ± 0.0 c | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | |
| Colletotricbum trichellum | 100 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 66.1 ± 6.93 bc | 50.6 ± 4.16 ef | 41.7 ± 7.98 f |
| 200 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 71.3 ± 6.29 bc | 62.9 ± 4.56 cd | 54.8 ± 3.93de | |
| 400 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 74.6 ± 4.17 b | 63.3 ± 6.11 cd | 61.4 ± 1.39 cd | |
| 800 | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 100.0 ± 0.00 a | 66.2 ± 7.41 bc | 67.2 ± 1.43bc | |
| Control (tween + alcohol) | 4.5 ± 1.3 b | 3.8 ± 1.2 c | 2.7 ± 1.2 d | – | – | – | |
| Control | 0.0 ± 0.0 e | 0.0 ± 0.0 e | 0.0 ± 0.0 e | 0.0 ± 0.0 g | 0.0 ± 0.0 g | 0.0 ± 0.0 g | |
aData are mean ± SD (standard deviation). (n = 4)
bMeans comparison were done between different concentrations of Juniperus oil in various days for each fungus. Means with different letters about each fungus in each method are statistically significant at 5% level probability