Pereira, A.L.G. Campacci, C.A. Zagatto, A.G. Watanabe, K.
Ocorrencia de Xanthomonas campestris pv. cerealis (Hagborg 1942)Dye 1978 B em culturas de trigo (Triticum aestivum L.)no estado do Parana [podridao negra, Brasil]
Occurence of Xanthomonas campestris pv. cerealis (Hagborg 1942)Dye 1978 B in wheat (Triticum aestivum L.)crops in the state of Parana [black rot, Brazil]