【摘 要】
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Rice blast, caused by Magnaporthe grisea, is one of the most constraints to rice production worldwide.In my study, a total of 240 single spore isolates, collected from different rice main cultivars in
【机 构】
：
Department of Plant Pathology, Shengyang Agricultural University,Shengyang 1100000;Institute of Crop
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Rice blast, caused by Magnaporthe grisea, is one of the most constraints to rice production worldwide.In my study, a total of 240 single spore isolates, collected from different rice main cultivars in the different growing regions of Liaoning in 2009 and 2011, were used to test the Avr genes by the specific primers ofAvrl-co39, Avr-pita, ACE1, Avr-pik, Avr-pizt, Avr-pia and Avr-pit, and 20 rice varieties with single blast resistance gene were inoculated in the greenhouse to analyse the isolates virulence.
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