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Collection - oomycetes

Czech Collection of Phytopathogenic oomycetes

Keywords: oomycetes – PhytophthoraPythium – phytopathogenic – Czech Republic – RILOG

The collection was established based on the framework of Scientific Intent No MZP0002707301 in 2005 and was admitted in 2012 as a member of The National Programme on Conservation and Utilization of Genetic Resources of Microorganisms (NPGZM) (Czech). The collection aims for the preservation of genetic diversity of important phytopathogenic and other oomycetes in the Czech Republic for scientific and other purposes (tests of pathogenicity and host resistance, testing and development of control measurements, reference studies in science and phytosanitary services, systematics, education, etc.).

There are approx. 583 strains of approx. 54 oomycetous taxa preserved which are belonging to Phytophthora (30 strains) and Pythium (24 strains) in the accessible part of the collection. The other 430 strains are deposited in the private section of the collection. The isolates were acquired from many various plant hosts including forest, ornamental, and fruit trees as well as other hosts from various other environments (riparian and forest stands, parks, urban greenery, orchards, public gardens, gardening centres, ornamental and forest nurseries etc.). The collection is operated by Marcela Mrázková (custodian), Markéta Hrabětová (molecular determination) and Liliya Fedusiv (technician).  

Authors of the collection:

Ing. Mrazkova Mgr. Hrabetova Mgr. Fedusiv
Ing. Marcela Mrázková Mgr. Markéta Hrabětová Mgr. Liliya Fedusiv
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tel: +420 296 528 234 tel: +420 296 528 368 tel: +420 296 528 235


Overview of deposited taxa (31. 1. 2021)


1. Phytophthora P. ×alni
2. Phytophthora bilorbang
3. Phytophthora cactorum
4. Phytophthora cambivora
5. Phytophthora cinnamomi
6. Phytophthora citrophthora
7. Phytophthora cryptogea
8. Phytophthora gallica
9. Phytophthora gonapodyides
10. Phytophthora gregata
11. Phytophthora hedraiandra
12. Phytophthora chlamydospora × amnicola
13. Phytophthora inundata
14. Phytophthora lacustris
15. Phytophthora megasperma
16. Phytophthora multivora
17. Phytophthora nicotianae
18. Phytophthora occultans
19. Phytophthora palmivora
20. Phytophthora plurivora
21. Phytophthora polonica
22. Phytophthora pseudosyringa
23. Phytophthora ramorum
24. Phytophthora rosacearum
25. Phytophthora rubi
26. Phytophthora sansomeana
27. Phytophthora syringae
28. Phytophthora taxon Raspberry
29. Phytophthora taxon Walnut
30. Phytophthora uniformis


1. Pythium anandrum
2. Pythium citrinum
3. Pythium conidiophorum
4. Pythium cylindrosporum
5. Pythium dimorphum
6. Pythium dissimile
7. Pythium emineosum
8. Pythium folliculosum
9. Pythium helicandrum
10. Pythium helicoides
11. Pythium heterothallicum
12. Pythium chamaihyphon
13. Pythium intermedium
14. Pythium irregulare
15. Pythium litorale
16. Pythium macrosporum
17. Pythium mamillatum
18. Pythium mercuriale
19. Pythium oopapillum
20. Pythium pachycaule
21. Pythium spiculum
22. Pythium ultimum
23. Pythium undulatum
24. Pythium vexans


Complete catalog - phytopathogenic oomycetes 31. 1. 2021, RILOG
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Isolations can also be searched in a continuously updated collections database NPGZM