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Rice blast,caused by Magnaporthe grisea,is one of themost important rice diseases in China.Resistance break-down often happened,especially in the field supplied withhigh nitrogen fertilizer.In the simulation study on racedynamics and cultivar-race interaction on population level,the influence of nitrogen on the relative parasitic fittness ofcuhivar-race combinations should be realized quantitative-ly.
Rice blast, caused by Magnaporthe grisea, is one of themost important rice diseases in China. Resistance break-down often happened, especially in the field supplied with high nitrogen fertilizer. In the simulation study on racedynamics and cultivar-race interaction on population level, the influence of nitrogen on the relative parasitic fittness ofcuhivar-race combinations should be realized quantitative-ly.