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Journal Article 1982

Autor: Sang Won Ahn Ou, SH

The infection efficiency and the infection rate of the spore population of Pyricularia oryzae was lower if the percentage of races to which each cultivar was resistant was high. It appears that cultivars with resistance to a high percentage of the races of the pathogen behaved as expected for “ho...

Enlace original: https://cgspace.cgiar.org/handle/10568/43412

Investigación en Agricultura
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Sang Won Ahn ,  Ou, SH ,  [Epidemiological implications of the spectrum of resistance to rice blast] ,  Epidemiological implications of the spectrum of resistance to rice blast
Journal Article 1982

Autor: Sang Won Ahn Ou, SH

Eighteen rice cultivars used for differentiating physiologic races of Pyricularia oryzae in the Philippines were repeatedly exposed in the blast nursery, and seven of them artificially inoculated with 40 single-spore isolates. The number of lesions that formed on individual cultivars was negative...

Enlace original: https://cgspace.cgiar.org/handle/10568/43996

Investigación en Agricultura
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Sang Won Ahn ,  Ou, SH ,  [Quantitative resistance of rice to blast disease] ,  Quantitative resistance of rice to blast disease
Journal Article 1984

Autor: Sang Won Ahn Tulande Valencia, Edgar Rubiano, M.
Enlace original: https://cgspace.cgiar.org/handle/10568/88535

Investigación en Agricultura
Enlace permanente
Sang Won Ahn ,  Tulande Valencia, Edgar ,  Rubiano, M. ,  [Negative selection in breeding for quantitative resistance to rice blast (Bl) under upland nursery conditions] ,  Negative selection in breeding for quantitative resistance to rice blast (Bl) under upland nursery conditions
Journal Article 1984

Autor: Sang Won Ahn Rubiano, M.
Enlace original: https://cgspace.cgiar.org/handle/10568/88537

Investigación en Agricultura
Enlace permanente
Sang Won Ahn ,  Rubiano, M. ,  [Relationship between susceptibility to leaf blasst (Bl) and panicle Bl severity] ,  Relationship between susceptibility to leaf blasst (Bl) and panicle Bl severity
Journal Article 1984

Autor: Sang Won Ahn Rubiano, M.
Enlace original: https://cgspace.cgiar.org/handle/10568/65805

Investigación en Agricultura
Enlace permanente
Sang Won Ahn ,  Rubiano, M. ,  [Methods and timing of fungicide application to control rice blast (Bl) under favorable upland conditions in Colombia] ,  Methods and timing of fungicide application to control rice blast (Bl) under favorable upland conditions in Colombia

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