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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/16737

    Title: Mycorrhizal symbiosis enhances Phalaenopsis orchid's growth and resistance to Erwinia chrysanthemi
    Authors: 黃定鼎;Huang, Ding-Ding
    Contributors: 生物科技學系
    Keywords: Phalaenopsis;orchid micorrhizal fungi;orchid;cultivar type
    Date: 2011-09
    Issue Date: 2012-11-23 17:16:26 (UTC+8)
    Abstract: "Phalaenopsis is the most important potted orchid genus in the world. However, the low seedling
    survival rate, long vegetative growth period and disease outbreak are problems in production. Orchid
    micorrhizal fungi (OMF) are their obligate partners in orchid physiology. Orchids use their symbionts to
    gain access to organic and mineral nutrients by increasing nutrient absorption and translocation to
    plants under natural conditions. The benefit of orchid mycorrhizal symbiosis using Phalaenopsis as
    model plants was conducted. We inoculated in vitro grown plantlets of Doritaenopsis Taisuco Wonder
    ‘King Car Butterfly KC1111’ and Phalaenopsis Tai Lin Redangel ‘V31‘ with two OMF isolates,
    Ceratobasidium sp. AG-A (R02) and Rizoctonia solani AG-6 (R04). The effects of OMFs on orchid plant
    growth and Erwinia soft rot progression were examined after two months of ex vitro growth. The results
    showed that the presence of OMFs in Phalaenopsis roots significantly increased the growth and soft rot
    resistance of plants. Selectivity of cultivar type to different OMF was also observed. The relevance of
    this findings and future work are discussed."
    Appears in Collections:[生物科技學系] 期刊論文

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