Article

Races of Puccinia graminis in the United States in 1988.

1990-08-01

Abstract excerpt

Oat stem rust was present in light amounts throughout most of the United States in 1988, and yield losses were nil. Disease development was a month later than the 40-yr average. The principal race of the pathogen was NA-27, which is virulent on hosts having resistance genes Pg-1, -2, -3, -4, and -8. NA-27 accounted for 83% of the isolates and NA-16 for 7%. No virulence was found for Pg-a or Pg-16 in the 1988 oat s...

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Literature Corpus work: 8dab6e3f-52dc-538c-8bb4-b7602dc55267
DOI: 10.1094/pd-74-0555

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