Parinthawong, Nonglak

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Preferred name
Parinthawong, Nonglak
Alternative Name
Parinthawong, N.
Main Affiliation
Email
nonglak.pa@kmitl.ac.th

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    Item type:Publication,
    Blast resistance evaluation and genetic inheritance of gene controlling leaf blast resistance in Dawk Pa-yawm Rai variety (GS23774)
    (2020-01-01)
    Janthasri, S.
    ;
    Parinthawong, N.
    The landrace rice Dawk Pa-yawm Rai variety was highly resistant to 18 blast isolates, moderately resistant to 5 and susceptible to 2 blast isolates. Therefore, Dawk Pa-yawm Rai variety was broad-spectrum resistance to many blast isolates and can be used as genetic resource in breeding programs for blast disease resistance. The genetic inheritance of blast resistance in F<inf>2</inf> population was identified. Seven hundred and thirty F<inf>2</inf> plants from a cross between KDML105 (recipient) and Dawk Pa-yawm Rai (donor) were generated. The disease assessment revealed 524 F<inf>2</inf> plants were resistant and 206 F<inf>2</inf> plants were susceptible. The segregation of resistance and susceptible phenotypes showed a goodness of fit to the ratio 3:1 (R:S). The result found is important factor and useful in mapping of blast resistant gene in Dawk Pa-yawm Rai variety.