Biology:Cystotheca quercina

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Short description: Species of fungus

Cystotheca quercina
Cystotheca quercina on Quercus leucotrichophora in India.
Scientific classification edit
Missing taxonomy template (fix): Cystotheca
Species:
Template:Taxonomy/CystothecaC. quercina
Binomial name
Template:Taxonomy/CystothecaCystotheca quercina
N. Ahmad, A.K. Sarbhoy, Kamal & D.K. Agarwal, 2006

Cystotheca quercina is a species of powdery mildew in the family Erysiphaceae. It is found in Asia on plants in the genus Quercus.

Description

Cystotheca quercina on Quercus leucotrichophora in India (as seen from the underside).

Many Cystotheca species form dense, white or brown, distorting patches on the leaves of their hosts. Some species in this genus are also known to cause witch's-broom galls on their hosts. Cystotheca nanyuensis, like most Erysiphaceae, is highly host-specific and is only known to infect Quercus leucotrichophora. It has been recorded from India and Pakistan.[1][2] This species is similar to Cystotheca wrightii but differs in that it forms white, thin primary mycelium, has larger ascomata, up to 95 μm diameter, and 4–5(–8)-spored asci.[3]

Taxonomy

The fungus was formally described in 2006 by N. Ahmad, A.K. Sarbhoy, Kamal and D.K. Agarwal. The type specimen was collected in India. The specific epithet derives from the host genus.

References

  1. ↑ Afshan, Najam-ul-Sehar; Zafar, Irsa; Jabeen, Muhammada; Liaqat, Nida; Khalid, Abdul Nasir (2022-08-15). "New records of powdery mildews on oak trees in Pakistan" (in en). Nova Hedwigia 115 (1–2): 79–88. doi:10.1127/nova_hedwigia/2022/0696. ISSN 0029-5035. Bibcode: 2022NovaH.115...79A. http://www.schweizerbart.de/papers/nova_hedwigia/detail/115/101690/New_records_of_powdery_mildews_on_oak_trees_in_Pak?af=crossref. 
  2. ↑ Braun, Uwe; Cook, Roger T. A. (2012). Taxonomic manual of the Erysiphales (powdery mildews). CBS biodiversity series. Utrecht: CBS-KNAW fungal biodiversity centre. ISBN 978-90-70351-89-2. 
  3. ↑ Bradshaw, Michael; Braun, Uwe; Quijada, Luis; Coombes, Allen J.; Contreras-Paredes, Carlos; Pfister, Donald H. (2023-05-04). "Phylogeny and taxonomy of the genera of Erysiphaceae, part 3: Cystotheca" (in en). Mycologia 115 (3): 427–436. doi:10.1080/00275514.2023.2194172. ISSN 0027-5514. PMID 37159342. https://www.tandfonline.com/doi/full/10.1080/00275514.2023.2194172. 

Wikidata ☰ Q107611836 entry




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