Cochliobolus victoriae
victoria blight of oats
Bipolaris victoriae, Drechslera victoriae, Helminthosporium victoriae, Helminthosporium sativum var. victoriae
Africa: Zambia, Zimbabwe; Asia: India, Iran, Malaysia, Nepal, Saudi Arabia; Europe: Germany, Ireland, Netherlands, Switzerland, UK; North America: Canada, USA; Oceania: Australia; South America: Argentina, Bolivia, Brazil.
CA, FL, GA, ID, IA, LA, MD, MA, MN, MT, NE, NY, TX, WI.
2024-09-05
fungus
Korea
Main: Poaceae family including oats and grasses. Others hosts: rice, barley, and wheat.
COCHVI
Cochliobus victoriae is primarily seed-transmitted in oats, however spread between plants in wet and windy conditions. It is shown to survive in soils for at least ten years, more in wetter soils.
5 Known Hosts
Avena sativa
oat
Yes
COCHVI-3,CABI CPC,RICH ISTA,COCHVI-4
This pathogen is mainly found on cultivars with Victoria parentage in oats. Although data from experimentation regarding the seed pathway is from the 1940's it appears that the seed is a pathway for Victoria oats.
Chemical, Cultural
The use of resistant varieties and chemcial disinfectants has been used to control spread.
COCHVI-3
Buchenau, GW., 1960. Etiology and epiphytology of Victoria blight of oats. Thesis, Iowa State University, Ames, IA
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
Richardson, MJ. 1990. An Annotated List of Seedborne Diseases. International Seed Testing Association, Zurich Switzerland.
Meehan FL, 1950. Helminthosporium victoriae M. and M. and some other graminicolous species. In: Retrospective Theses and Dissertations.
Oryza sativa
rice
No
RICH ISTA
No references found indicating seed is a pathway.
Richardson, MJ. 1990. An Annotated List of Seedborne Diseases. International Seed Testing Association, Zurich Switzerland.
Triticum aestivum
wheat
No
RICH ISTA
No references found indicating seed is a pathway.
Richardson, MJ. 1990. An Annotated List of Seedborne Diseases. International Seed Testing Association, Zurich Switzerland.
Hordeum vulgare
barley
No
RICH ISTA
No references found indicating seed is a pathway.
Richardson, MJ. 1990. An Annotated List of Seedborne Diseases. International Seed Testing Association, Zurich Switzerland.
Zea mays
corn
No
RICH ISTA
No references found indicating seed is a pathway.
Richardson, MJ. 1990. An Annotated List of Seedborne Diseases. International Seed Testing Association, Zurich Switzerland.
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