Table 3.
Internal mycoflora of wheat, barley and maize samples from Tunisia.
| Relative frequencya |
Average relative densityb,* |
Average percentage of infected grainsc,* |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Wheat | Barley | Maize | Wheat | Barley | Maize | Wheat | Barley | Maize | |
| Aspergillus | 54.17 | 70.00 | 76.19 | 7.10 ± 1.95 | 10.05 ± 3.11 | 44.84 ± 8.11 | 4.08 ± 1.02 | 5.8 ± 1.76 | 27.05 ± 6.39 |
| Section Flavi | 45.83 | 50.00 | 66.67 | 3.13 ± 0.79 | 7.74 ± 3.09 | 30.36 ± 6.29 | 1.67 ± 0.45 | 4.00 ± 1.65 | 19.24 ± 4.92 |
| Section Nigri | 33.33 | 25.00 | 47.62 | 3.98 ± 1.47 | 2.05 ± 0.92 | 14.37 ± 4.96 | 2.42 ± 0.82 | 1.60 ± 0.75 | 7.71 ± 3.31 |
| Other Aspergilli | 0.00 | 10.00 | 9.52 | 0.00 ± 0.00 | 0.26 ± 0.18 | 0.21 ± 0.14 | 0.00 ± 0.00 | 0.20 ± 0.14 | 0.19 ± 0.13 |
| Penicillium | 41.67 | 75.00 | 38.10 | 9.39 ± 3.50 | 13.08 ± 3.26 | 11.74 ± 5.02 | 6.34 ± 3.42 | 9.2 ± 2.91 | 4.48 ± 1.84 |
| Fusarium | 9.52 | 25.00 | 19.05 | 0.21 ± 0.14 | 1.40 ± 0.71 | 1.68 ± 0.79 | 1.17 ± 0.12 | 1.10 ± 0.55 | 0.67 ± 0.35 |
| Eurotium | 62.5 | 65.00 | 42.86 | 24.80 ± 4.51 | 17.70 ± 5.97 | 9.05 ± 4.43 | 17.17 ± 4.22 | 6.9 ± 2.00 | 4.67 ± 2.58 |
| Alternaria | 70.83 | 65.00 | 14.29 | 9.81 ± 2.40 | 13.37 ± 3.34 | 0.85 ± 0.49 | 5.42 ± 1.30 | 8.60 ± 2.24 | 0.29 ± 0.16 |
| Curvularia | 20.83 | 20.00 | 0.00 | 1.07 ± 0.59 | 1.41 ± 0.75 | 0.00 ± 0.00 | 0.92 ± 0.59 | 1.10 ± 0.59 | 0.00 ± 0.00 |
| Epicoccum | 37.5 | 40.00 | 14.29 | 7.17 ± 2.68 | 6.76 ± 2.72 | 4.39 ± 3.66 | 2.00 ± 0.88 | 3.80 ± 1.57 | 2.19 ± 1.90 |
| Cladosporium | 29.17 | 25.00 | 20.00 | 2.51 ± 1.02 | 2.63 ± 1.55 | 1.28 ± 0.66 | 0.97 ± 0.34 | 1.80 ± 1.20 | 0.57 ± 0.28 |
| Ulocladium | 8.33 | 20.00 | 0.00 | 0.19 ± 0.12 | 0.49 ± 0.23 | 0.00 ± 0.00 | 0.17 ± 0.12 | 0.40 ± 0.18 | 0.00 ± 0.00 |
| Rhizopus | 4.17 | 25.00 | 14.29 | 4.13 ± 3.79 | 8.13 ± 4.51 | 9.84 ± 5.48 | 0.83 ± 0.83 | 3.20 ± 1.45 | 5.71 ± 3.94 |
| Chaetomium | 25.00 | 25.00 | 14.29 | 2.49 ± 0.91 | 0.72 ± 0.30 | 0.83 ± 0.48 | 1.00 ± 0.43 | 0.60 ± 0.26 | 0.29 ± 0.16 |
| Other genera | 91.67 | 85.00 | 76.19 | 31.12 ± 3.85 | 24.25 ± 4.29 | 15.50 ± 5.41 | 18.17 ± 3.18 | 17.20 ± 3.34 | 7.62 ± 2.71 |
a
Relative frequency of contaminated samples (%) = Number of samples contaminated with a genus × 100/Total number of samples.
b
Relative density per sample (%) = Number of isolates of a genus contaminating a sample × 100/Total number of isolates.
c
Percentage of infected grains per sample (%) = Number of infected grains by a genus in each sample × 100/Total number of grains.
*
Mean value ± Mean Standard Error (SE = s/√N).