Koohakan, Prommart

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Koohakan, Prommart
Alternative Name
Koohakan, P.
Main Affiliation
Email
prommart.ko@kmitl.ac.th

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    Item type:Publication,
    Characterization of Phytopythium and Pythium species from freshwater area based on Morphological traits and ITS sequence
    (2023-07-01)
    Maiprom, N.
    ;
    Saelee, R.
    ;
    Koohakan, P.
    Twenty isolates were identified as Globisporangium nunn, Pythium acanthicum, Phytopythium chameahyphon, Phytopythium cucurbitacearum, Phytopythium helicoides, Phytopythium iriomotense, Pythium torulosum, Phytopythium vexans and unknown specific epithet Phytopythium species. The reconstruction of phylogenetic trees using Neighbourjoining, maximum-likelihood, and maximum-parsimony algorithms revealed that the majority of isolates belonged to clade K. Furthermore, this is the first report of Phytopythium iriomotense in Thailand. The current information possible that the discovered oomycetes will be useful in future research and applications.
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    The effectiveness of seed coating with microbial fungicide on controlling seed quality and damping-off disease of tomato
    (2026-01-01)
    Baikaden, S.
    ;
    Sikhao, P.
    ;
    Koohakan, P.
    Microbial seed coating was not significantly influenced germination percentage, germination index, or germination speed under laboratory conditions. Whereas, seeds coated with Trichoderma asperellum and Bacillus subtilis consistently demonstrated to improve seedling emergence and vigor in greenhouse conditions. With respect to disease suppression, coatings seeds with T. asperellum resulted to reduce both the incidence and severity of damping-off disease caused by Pythium torulosum. The lowest disease incidence (30.50%) and severity (17.43%) were observed in seedlings from T. asperellum-coated seeds. These findings highlighted the potential of antagonistic microbial coatings to promote seedling health and provided a sustainable strategy for managing soilborne diseases. This approach is offered a promising complement or alternative to chemical control methods in commercial tomato seedling production.