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.
Crops
Avena sativa
oat
Yes
COCHVI-3, CABICPC, RICHISTA, 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
Hordeum vulgare
barley
No
RICHISTA
No references found indicating seed is a pathway.
Oryza sativa
rice
No
RICHISTA
No references found indicating seed is a pathway.
Triticum aestivum
wheat
No
RICHISTA
No references found indicating seed is a pathway.
Zea mays
corn
No
RICHISTA
No references found indicating seed is a pathway.
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