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Genetic structure and virulence diversity of Pyricularia grisea in breeding for rice blast resistance

Correa Victoria, F.; Martinez, C.

Induced mutations and molecular techniques for crop improvement Proceedings, Vienna, Austria, 19-23 June 1995: 133-145

1995


Accession: 002851123

Rice blast caused by Pyricularia grisea is the main production constraint in rice worldwide. Development of resistant cultivars has been the preferred means of controlling this disease; however, resistance is defeated by the pathogen shortly after cultivar release. The blast pathogen population in Colombia's rice growing areas was grouped into 6 genetically different families named SRL-1 to SRL-6 using DNA fingerprinting.

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