Table 4 Effect of direct confrontation of two Penicillium spp. isolates, two Trichoderma spp. isolates, and four Aspergillus sp. isolates on mycelial growth inhibition of F. oxysporum f. sp. melonis and M. phaseolina after 5 days of incubation at 28 °C, means of six Petri plates (two plates per replicate)
Pathogens | Code | Mycelial growth inhibition percentage (%)a | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
P. digitatum | P. italicum | T. viride | T. harzianum | A. flavus | A. niger | A. fumigatus | A. terreus | P valueb | ||
F. oxysporum f. sp. melonis | FOM1 | 19.31b C | 11.43c D | 11.61c C | 16.75b D | 16.56b C | 20.54b B | 11.75b D | 35.14a A | > 0.05 |
FOM3 | 20.38a B | 19.73b B | 10.24c D | 19.8b B | 25.95a AB | 21.6a AB | 26.35a A | 18.81b C | > 0.05 | |
FOM4 | 17.34b C | 16.12b C | 26.43a A | 21.88a BC | 22.1a BC | 24.42a AB | 21.26a BC | 20.6a C | > 0.05 | |
FOM6 | 19.91b B | 23.27a AB | 22.55a AB | 16.6b C | 25.71a AB | 30.46a A | 15.19b C | 24.51a AB | > 0.05 | |
FOM8 | 13.29c D | 25.6b AB | 8.71d D | 23.31b C | 36.59a A | 27.86b AB | 11.07c D | 12.4c D | > 0.05 | |
P valuec | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | ||
M. phaseolina | MP1 | 48.01a A | 36.22a A | 42.43a A | 42.38a A | 23.77b B | 29.33b B | 35.97a A | 21.84c B | > 0.05 |
MP2 | 38.54a B | 35.39a B | 38.15a B | 52.42a A | 33.51ab B | 29.78a B | 44.81a A | 44.92a A | > 0.05 | |
MP3 | 30.51ab A | 46.63a A | 37.90a B | 46.21a A | 42.56a A | 30.63a B | 24.54c C | 24.64c C | > 0.05 | |
MP4 | 27.09b C | 43.97a A | 33.27ab B | 38.74b B | 37.34a B | 31.79a B | 20.79c D | 20.29cd D | > 0.05 | |
MP5 | 35.14a B | 31.95ab B | 41.46a A | 42.38a A | 29.79b BC | 27.29ab C | 29.13bc BC | 28.23b BC | > 0.05 | |
P valuec | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | > 0.05 | ||