Table 2.
Morphological characteristics of CNUFC-GWD3-9 and the reference species Gilbertella persicaria.
| Characteristic | CNUFC-GWD3-9 | Gilbertella persicariaa |
|---|---|---|
| Colony color | Rapid-growing, first white and then grayish yellow | Rapid-growing, first white and then grayish olive |
| Sporangiophores | 10.5–50.0 µm in width, variable in length | Up to 40–50 µm in width, up to 3–4 mm in height |
| Sporangia | Many-spored, globose to subglobose, first white-yellowish and then brown or black when mature, 36.5–250.5 × 37.2–253.5 µm | Many-spored, globose to irregularly globose, first white and then yellow and then black and glistening when mature, 40–260 µm in diameter |
| Columellae | Variable in shape, ovoid to pyriform, subglobose, 20.5–110.7 × 25.2–139.0 µm | Variable in shape depending on size, 40–119 × 20–170 µm |
| Sporangiospores | Irregular in shape, mainly ellipsoidal, 5.9–15.5 × 4.5–8.9 μm | Short oval and rather irregular in shape, 5–13 × 4.5–11 μm, up to 8.6 × 17 μm |
| Chlamydospores | Present | Present |
| Zygospores | Not observed | Present |
a
From the description by Hesseltine [8].