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http://dx.doi.org/10.5423/RPD.2012.18.4.324

Pathogenic Races of Pyricularia oryzae Isolated from Various Rice Cultivars on the Blast Nursery and Paddy Field in Different Locations  

Shim, Hongsik (Crop Protection Division, National Academy of Agricultural Science, Rural Development Administration)
Yeh, Wan-Hae (Crop Protection Division, National Academy of Agricultural Science, Rural Development Administration)
Yoo, Boung-Joo (Crop Protection Division, National Academy of Agricultural Science, Rural Development Administration)
Myung, Inn-Shik (Crop Protection Division, National Academy of Agricultural Science, Rural Development Administration)
Hong, Sung-Kee (Crop Protection Division, National Academy of Agricultural Science, Rural Development Administration)
Lee, Seungdon (Coordination Division, Research Policy Bureau, Rural Development Administration)
Publication Information
Research in Plant Disease / v.18, no.4, 2012 , pp. 324-330 More about this Journal
Abstract
This study was conducted to investigate the association of race distribution of Pyricularia oryzae with rice cultivar and location. Races present in a given location were different in cultivars, and the races from a given cultivars were different by location. For precise study of race distribution, it needs to identify isolates by considering cultivation ratio and collection area. There are great differences between the resistant degree in the upland blast nursery and on the resistant degree of the leaf blast and panical blast in the paddy field. The number of virulent races in a rice cultivar was not related with the resistant degree in blast nursery or in paddy field.
Keywords
Pyricularia oryzae; Race; Rice blast;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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