Table 4.
Fungal identifications according to the protocol of the Regional Center for Mycology and Biotechnology (RCMB) using the image analysis system
| Genera (isolate code) | Growth characteristics | Microscopic characteristics |
|---|---|---|
| Aspergillus terreus (A) | Colonies reach 3.0–3.5 cm diameter on Czapek agar at 25 °C within 7 days with buff to yellow–brown color | CH: columnar, 60.5 μm, VD: sub-globose 15.4 μm in diameter, StP: 6.4×2.3 μm, StS: 6.0×1.2 μm, CD: 5.2 μm in diameter, C: globose, smooth, 2.1 μm in diameter |
| Aspergillus foetidus var. pallidus (B) | Colonies reach 5–7 cm diameter in 7 days at 28 °C with velvety, olive black color, reverse first colorless then yellowish brown | CH: black, radiate, VD: globose- sub-globose, 36.0 μm, StP: 13×4.0 μm, StS: 8.0×3.0 μm, CD: 12.0 μm in diameter, C: sub-globose, 4.0 µm |
| Aspergillus fumigatus (G) | Colonies spread rapidly on Czapek agar plates at 25 °C | CH: columnar, 18,030× µm, VD: 25 µm in diameter, fertile over the upper half only, StP: sterigmata in one series 6.0×2.2 µm, CD: 6.0 µm, C: globose, echinulate, green-colored, 2.8 µm in diameter |
| Aspergillus fumigatus var. ellipticus (E&J) | Colonies reach 2–3 cm diameter in 7 days at 28 °C on Czapek with blue-green color, reverse colorless | CH: short columnar, VD: flask shape 23.0 μm, StP: 7.9 × 3.0 μm, CD: 12.0 μm in diameter, C: subspherical 3.0 µm |
| Penicillium janthinellum (H) | Colonies on CYA attain 3–4 cm diameter at 25 °C, with white, grayish, buff, pale yellow color, and pale pink mycelium to deep green. Reverse pale yellow, brown or pinkish | CD: 3.5 µm, CD: ellipsoidal 3.0×2.3 µm |
CH conidial heads, VD vesicle diameter, StP primary sterigmata, StS secondary sterigmata, CD conidiophore diameter, C conidia diameter