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Virulence of Puccinia recondita on wheat in southern Bulgaria during 1979-81

Rasteniev"dni Nauki 20(4): 113-119
Virulence of Puccinia recondita on wheat in southern Bulgaria during 1979-81
Twelve physiological races were identified in southern Bulgaria during this period, with races 77 and 167 being the most widespread. Subraces were found for races 77 and 21. Genetic formulae are presented for virulence genes in 10 of the races. Most single-spore isolates identified as of the same race had different virulence in relation to Lr resistance genes and their genetic formulae were not the same.

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Accession: 001507725

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