Propagation of avirulent race of rice blast fungus on rice leaves previously infected with virulent race

DOI: 10.3186/JJPHYTOPATH.45.272Semantic Scholar

88 Citations•1979•

H. Naito

Japanese Journal of Phytopathology

Leaves of rice variety Sasanishiki were previously inoculated with virulent race N-1 of rice blast fungus but were reinoculated with avirulent race C-3, pathogenic to variety Fukei 69 or Tachihonami after development of susceptible lesions.

Abstract

Leaves of rice variety Sasanishiki were previously inoculated with virulent race N-1 of rice blast fungus. After development of susceptible lesions, the infected leaves of Sasanishiki were reinoculated with avirulent race C-3. Conidia produced on the lesions contained a few conidia of race C-3 pathogenic to variety Fukei 69 or Tachihonami.

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