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. 2020 Mar 17;26(4):759–771. doi: 10.1007/s12298-020-00776-4

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