Trichoderma polyalthiae K. Nuankaew & S. Boonlue, 2018
publication ID |
https://doi.org/ 10.11646/phytotaxa.371.5.1 |
persistent identifier |
https://treatment.plazi.org/id/29305211-FFB3-8D36-FF02-FBADFF67F883 |
treatment provided by |
Felipe |
scientific name |
Trichoderma polyalthiae K. Nuankaew & S. Boonlue |
status |
sp. nov. |
Trichoderma polyalthiae K. Nuankaew & S. Boonlue View in CoL , sp. nov. Fig. 2 View FIGURE 2 .
MycoBank: MB 826751
Etymology: polyalthiae, from the generic name of host plant, Polyalthia .
Diagnostic characters: Growth rate on PDA and SNA; on PDA, agar became diffuse dull yellow to brownish and coconut-like odour noted.
Colony radius on CMD after 72 h, 17–20 mm at 15 °C, 30–35 mm at 20 °C, 53–55 mm at 25 °C, 50–53 mm at 30 °C, no growth at 35 °C; mycelium covering the plate after 4 days at 20 °C; colony hyaline, mycelium loose, flat, thin layer of mycelium close to agar surface, not zonate; no distinct odour; agar not pigmented. Conidiophores acremonium- to irregularly verticillium-like; phialides straight to lageniform, 9.0–19.2 × 1.4–2.5 μm, L / W 5.8 –12.1 (n = 30) ; conidia, formed within 3 days in the aerial mycelium, hyaline, smooth, mostly ellipsoidal to globose, 2.0–3.8 × 1.3–2.9 μm, L / W 1.0 –1.6 (n = 30) ; chlamydospores broadly ellipsoidal to ellipsoidal, terminal or intercalary in hyphae, 3.6–7.7 ×1.8–3.1 μm, L / W 1.3 –2.8 (n = 30). Sexual stage not known .
Colony radius on PDA after 72 h, 14–20 mm at 15 °C, 27–31 mm at 20 °C, 48–50 mm at 25 °C, 45–48 mm at 30 °C, no growth at 35 °C; colony hyaline, thin layer of mycelium close to agar surface, not zonate; agar became diffuse dull yellow to brownish, and coconut-like odour noted.
Colony radius on SNA after 72 h, 7–12 mm at 15 °C, 10–17 mm at 20 °C, 20–25 mm at 25 °C, 29–31 mm at 30 °C, no growth at 35 °C; colony hyaline, mycelium loose; not zonate; no distinct odour; agar not pigmented.
Known distribution: Thailand.
Holotype: THAILAND, Ubon Ratchathani Province, 15°17’02.6”N, 104°48'27.6"E, isolated from stems of Polyalthia debilis (Pierre) Finet & Gagnep., Apr, 2015 , Nuankaew K., dried-culture: TBRC 8737 View Materials , living culture: SB 042015 . GoogleMaps
L |
Nationaal Herbarium Nederland, Leiden University branch |
K |
Royal Botanic Gardens |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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