Table 2.
Group | Species | Colony | Growth Rate (mm/d) | Conidia | Appressoria | Mycelial Appressoria | ||||
---|---|---|---|---|---|---|---|---|---|---|
Length (μm) | Width (μm) | Shape | Length (μm) | Width (μm) | Shape and Color | |||||
1 | Colletotrichum fructicola | black and gray, reverse black | 6.0 ± 0.04 a | 13.3 ± 0.21 b | 5.4 ± 0.24 a | cylindrical | 6.7 ± 0.16 a | 5.0 ± 0.17 a | brown to dark black, ovoid to slightly irregular | oval to irregular, light brown to dark brown, margin lobed or deeply lobed |
2 | Colletotrichum siamense | white, reverse pale yellowish | 4.3 ± 0.12 c | 11.7 ± 0.41 c | 5.4 ± 0.21 a | cylindrical | 5.7 ± 0.39 b | 4.7 ± 0.22 b | brown to dark black, irregular with a crenate edge | irregularly shaped and brown, with a deep, marginal, lobed edge |
3 | Colletotrichum kahawae | pale gray, reverse pale gray | 3.4 ± 0.09 d | 14.4 ± 0.60 a | 5.0 ± 0.94 b | cylindrical | 6.7 ± 0.40 a | 5.4 ± 0.17 c | brown to dark black, round | ovoid or irregularly shaped, light brown, with a deep, marginal, lobed, or smooth edge |
4 | Colletotrichum nymphaeae | gray, reverse dark gray | 6.2 ± 0.08 a | 10.5 ± 0.08 d | 4.6 ± 0.43 c | fusiform | 7.4 ± 0.33 c | 5.9 ± 011 d | gray, round | oval, light brown, smooth edge |
5 | Colletotrichum sichuaninese | gray, reverse pale gray | 5.5 ± 0.39 b | 14.5 ± 0.32 a | 5.2 ± 0.30 ab | long cylindrical | 12.0 ± 0.56 d | 8.8 ± 0.21 e | brown to dark black, ovoid to slightly irregular | oval or round, brown to dark brown, with a smooth border |
6 | Colletotrichum karstii | white, reverse white | 6.4 ± 0.05 a | 15.7 ± 0.12 e | 7.0 ± 0.26 d | fusiform | 8.9 ± 0.32 e | 7.4 ± 0.46 f | brown to dark black, round | oval to round, light brown, and smooth edges |
Note: In a column, averages followed by different small letters indicate statistically significant differences (p < 0.05); a–f: the values with the same letter in a column do not significantly differ according to Duncan’s multiple range test.