Table 2 The morphological and microscopic features of isolates
| Â | Morphological features | Microscopic features | ||
|---|---|---|---|---|
Aspergillus flavus | Colonies: margin white, yellow green Exudate: lacking Reverse: colorless |
| Conidiophore: colorless, long, coarsely roughened Conidial heads: radiate Vesicles: globose or flask shaped Conidia: globose to sub-globose, colorless to yellow green |
|
A. fumigatus | Colonies: fast-growing, velutinous, floccose, margin white, greyed-green Reverse: colorless |
| Conidiophore: short, smooth, gradually enlarging upward, passing imperceptibly into a flask-shaped vesicle, phialides on vesicle directly Conidia: globose to sub-globose, smooth to finely roughened |
|
A. niger | Colonies: black, margin white Exudate: lacking Reverse: colorless to grayed-yellow |
| Conidiophore: smooth Conidial heads: large, globose to radiate Vesicles: globose or sub-globose Conidia: globose to sub-globose |
|
A. versicolor | Colonies: velutinous, margin white, greenish intermixed with yellowish hyphae Exudate: lacking Reverse: grayed orange |
| Conidiophore: colorless, smooth Conidial heads: radiate Vesicles: sub-globose to ovate Conidia: globose, echinulate |
|
Rhizopus arrhizus | Colonies: fast-growing, filling the whole plate after 3 days, white at first and becoming greyish |
| Sporangiophore: smooth-walled, non-septate, unbranched, ends opposite rhizoids Sporangia: white first, then black Sporangiospores: irregular, globose, oval, brownish-black |
|
