00516naa a2200169 a 450000100080000000500110000800800410001910000220006024500950008226000090017765300110018665300130019765300220021065300270023270000170025977300700027610527202007-04-26       1998    bl uuuu     u00u1 u    #d1 aROMEIRO, R. da S.  aBacterial blight (Xanthomonas campestris) of sunflower (Helianthus annuus), a new disease.  c1998  aDoenca  aGirassol  aQueima bacteriana  aXanthomonas campestris1 aMOURA, A. B.  tRevista Ceres, Vicosagv. 45, n. 259, p. 233-243, maio/jun. 1998.