Table 6 Mycelial growth Inhibition (%) and spore germination (%) rates of forest dried leaves essential oils against A. alternata and C. gloeosporioides after seven days of treatment.
Plant species | Essential oil concentrations (µl/ml) | Mycelial growth inhibition (%) | Spore germination inhibition (%) | ||
|---|---|---|---|---|---|
C. gloeosporioides | A. alternata | C. gloeosporioides | A. alternata | ||
E. globulus | 4 | 78.37 ± 0.02aa | 72.86 ± 0.22a | 100.00 ± 0.00a | 100.00 ± 0.00a |
2 | 78.34 ± 0.01a | 72.65 ± 0.21a | 100.00 ± 0.00a | 100.00 ± 0.00a | |
1 | 63.22 ± 0.23ab | 58.67 ± 0.09b | 98.57 ± 0.05a | 81.14 ± 1.50a | |
0.5 | 31.15 ± 0.24 c | 36.12 ± 0.11c | 75.14 ± 0.01b | 45.71 ± 1.93b | |
0.25 | 19.12 ± 0.23 d | 12.15 ± 0.14 d | 49.57 ± 0.02c | 32.57 ± 1.20b | |
0.125 | 6.16 ± 0.01 d | 7.23 ± 0.13d | 31.42 ± 0.02c | 22.58 ± 1.02c | |
P-valueb | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |
P. lentiscus | 4 | 71.23 ± 0.04a | 62.23 ± 0.04a | 98.57 ± 0.01a | 95.24 ± 0.02a |
2 | 69.23 ± 0.04a | 56.56 ± 0.12ab | 95.00 ± 0.03a | 94.08 ± 0.01a | |
1 | 68.45 ± 0.06ab | 49.38 ± 0.08 | 93.55 ± 0.09a | 88.51 ± 0.08a | |
0.5 | 28.32 ± 0.04c | 24.11 ± 0.10c | 76.16 ± 0.02b | 65.14 ± 0.01ab | |
0.25 | 18.2 ± 0.06c | 12.26 ± 0.21c | 58.75 ± 0.04b | 49.27 ± 0.02b | |
0.125 | 8.11 ± 0.12d | 5.45 ± 0.13d | 42.32 ± 0.03c | 31.41 ± 0.02c | |
P-value | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |
J. phoenicea | 4 | 52.23 ± 0.04a | 53.23 ± 0.04a | 100.00 ± 0.00a | 100.00 ± 0.00a |
2 | 43.56 ± 0.40ab | 45.82 ± 0.04b | 99.00 ± 0.02a | 98.05 ± 0.05a | |
1 | 39.11 ± 0.09b | 39.67 ± 0.06c | 98.05 ± 0.04a | 88.57 ± 0.10ab | |
0.5 | 25.10 ± 0.08c | 27.83 ± 0.02c | 84.19 ± 0.01b | 78.14 ± 0.01b | |
0.25 | 13.00 ± 0.02d | 15.12 ± 0.03d | 51.52 ± 0.02c | 49.52 ± 0.02c | |
0.125 | 00.00 ± 0.00e | 1.52 ± 0.07d | 38.42 ± 0.02c | 33.34 ± 0.02c | |
P-valueb | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |