00730naa a2200241 a 450000100080000000500110000800800410001910000180006024501360007826000090021465000100022365000170023365000270025070000230027770000180030070000230031870000160034170000200035770000150037770000190039270000190041177300580043015593392008-02-04       2007    bl uuuu     u00u1 u    #d1 aVIEIRA, E. A.  aVirulence variability of Puccinia coronata f. sp. avenae isolates collected in three counties from Rio Grande do Sul State, Brazil.  c2007  aAveia  aAvena Sativa  aResistência Genética1 aCARVALHO, F. I. F.1 aCHAVES, M. S.1 aOLIVEIRA, A. C. de1 aHARTWIG, I.1 aSILVA, J. A. G.1 aBERTAN, I.1 aMARTINS, A. F.1 aMARTINS, L. F.  tPlant Disease, St. Paulgv. 91, n. 1, p. 66-70, 2007.