Diaporthe hubeiensis Dissanayake, X.H. Li & K.D. Hyde
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https://dx.doi.org/10.3897/mycokeys.84.71701 |
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https://treatment.plazi.org/id/22A1496A-2AD0-5002-A1D7-7888283CD8FC |
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Diaporthe hubeiensis Dissanayake, X.H. Li & K.D. Hyde |
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Diaporthe hubeiensis Dissanayake, X.H. Li & K.D. Hyde
Figure 3 View Figure 3
Diaporthe hubeiensis Manawasinghe, Dissanayake, Li, Liu, Wanasinghe, Xu, Zhao, Zhang, Zhou, Hyde, Brooks & Yan, Frontiers in Microbiology 10(no. 1936): 20 (2019)
Description.
Asexual morph: pycnidia on PDA in culture, 700-885 μm in diam., superficial, scattered, dark brown to black, globose or subglobose. Conidiophores reduced to conidiogenous cells. Conidiogenous cells (6.5-)7-10(-11.5) × 2-3.5 μm (n = 30), aseptate, cylindrical, phiailidic, straight or slightly curved. Alpha conidia 5.8-8(-8.5) × 2.5-3.2 μm (n = 30), aseptate, hyaline, ellipsoidal to cylindrical, biguttulate, blunt at both ends. Beta conidia not observed.
Culture characters.
Culture incubated on PDA at 25 °C, originally flat with white felted aerial mycelium, becoming dark brown mycelium due to pigment formation, conidiomata irregularly distributed over agar surface after 20 days.
Specimens examined.
China. Hunan Province: Zhuzhou City , on leaves of Camellia oleifera , 27°2'35"N, 113°19'20"E, 14 Aug. 2020, Q. Yang (CSUFT019; living cultures: HNZZ019 and HNZZ009) GoogleMaps .
Notes.
Diaporthe hubeiensis was originally described as pathogen of grapevines in Hubei Province, China ( Manawasinghe et al. 2019). In the present study, two isolates (HNZZ019 and HNZZ009) are closely related to D. hubeiensis in the combined phylogenetic tree (Fig. 1 View Figure 1 ). The differences of nucleotides in the concatenated alignment (1/460 in ITS, 3/458 in cal, 1/320 in his3 and 3/433 in tub2) are minor. Morphological comparison indicated that the isolates were similar to D. hubeiensis by the size of alpha conidia. We therefore identify the isolates as belonging to D. hubeiensis .
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