Aplosporella prunicola Damm & Crous Fungal Diversity 27: 39 (2007).

Li, Wen-Li, Liang, Rui-Ru, Dissanayake, Asha J. & Liu, Jian-Kui, 2023, Botryosphaerialean fungi associated with woody oil plants cultivated in Sichuan Province, China, MycoKeys 97, pp. 71-116 : 71

Aplosporella prunicola Damm & Crous Fungal Diversity 27: 39 (2007).

Fig. 6

Description.

Saprobic on decaying branches of Zanthoxylum bungeanum . Sexual morph: Not observed. Asexual morph: Coelomycetous, Conidiomata 355-408 × 568.5-599 μm (x̄ = 381.5 × 584 μm, n = 10), immersed, partially erumpent when mature, multilocular, locules divided by pale brown cells of textura angularis. Peridium 107-122 μm wide, composed of 3-5 layers of pale brown cells of textura globulosa. Ostiole 70-88 μm diam., central. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 6.5-10 × 2-3 μm (x̄ = 8 × 2.5 μm, n = 20), holoblastic, hyaline, cylindrical, smooth-walled. Conidia 20-23.5 × 12-13.5 μm (x̄ = 21.5 × 13 μm, n = 30), L/W ratio = 1.6, ellipsoidal to subcylindrical, with both ends broadly rounded, initially hyaline, becoming dark brown, aseptate, smooth.

Culture characteristics.

Colonies on PDA after 7 d, becoming pale olivaceous-gray to olivaceous-black at the surface, and olivaceous black at the reverse, with irregular edges.

Material examined.

China, Sichuan Province, Yaan City , Hanyuan County, 29°16'51"N, 102°37'48"E, elevation 1,689 m, on dead branches of Zanthoxylum bungeanum , 30th October 2021, W.L Li, HJ 509 (HUEST 22.0091), living culture UESTCC 22.0090 .

Notes.

Our isolate UESTCC 22.0090 morphologically lines up with the description of Aplosporella prunicola provided by Damm et al. (2007) in having immersed to erumpent, multilocular conidiomata and brown, smooth-walled, ovoid to oblong conidia. The strain UESTCC 22.0090 is phylogenetically and morphologically similar to A. yalgorensis and A. prunicola , however, A. yalgorensis can be distinguished from other Aplosporella species by its pitted conidial walls. Thus, the strain UESTCC 22.0090 was identified as A. prunicola based on current evidence. This is the first time A. prunicola is reported from Zanthoxylum bungeanum in China.

Figures

Figure 6. Aplosporella prunicola (HUEST 22.0091, new host record) a, b appearance of conidiomata on natural substrate c vertical section of multiloculate conidioma d, e section of peridium f-i conidiogenous cells and developing conidia j-n brown aseptate conidia. Scale bars: 100 μm (c); 20 μm (d, e); 10 μm (f-n).