date:Aug 06, 2013
The International Bremia Evaluation Board (IBEB) has evaluated all Bremia races found in 2012 and races found earlier. In 2012, once again most outbreaks of Bremia were caused by new Bremia races with only local importance. However IBEB was able to identify and nominate three new races: Bl:29, 30 and 31. The Board emphasizes the importance of chemical control and hygiene measures in addition to the use of resistant varieties to prevent the development of new races.
Bremia lactucae, or downy mil