Stem rust and leaf rust of wheat, survey 1986-87 [Puccinia graminis f. sp. tritici; Puccinia recondita f. sp. tritici; pathotypes; identification; cultivars; resistance; distribution; New South Wales; Queensland; Victoria; South Australia; Western Australia; New Zealand]

australia meridional australia occidental australie occidentale champignon encuestas epidemiologia epidemiologie epidemiology feuille fungi hojas hongos leaves new south wales new zealand nueva gales del sur nueva zelandia pathotype pathotypes patotipos puccinia graminis puccinia recondita queensland rouille roya rusts south australia stems surveys tallo tige triticum variedades varieties victoria western australia