Physiologic races of Puccinia coronata Cda. var. avenae Fraser & Led. in Czechoslovakia in 1967 and 1968

Sebesta, J.

Ochrana Rostlin 9(2): 89-94

1973


Accession: 000160873

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Abstract
In 1967 14 and in 1968 15 races were recorded on oats. Races 228, 231, 239 and 240 predominated; race 265 significantly increased in 1968. Races 203, 216, 259, 264, 274 and 294 were isolated for the first time. The var. Garry and Garry X Cesky Zluty (290-1-1) are resistant to races 228, 229, 231, 232, 234, 239 and 240; Delphin and Julius are practically immune from them. Rodney is resistant to these and to 201. Dodge and Garland, affected only by 264, are the most resistant vars.