日本植物病理学会報
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
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L-メチオニンによるミズナ萎凋病の抑制効果
山本 優紀佐久間 安奈中島 雅己
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2019 年 85 巻 2 号 p. 112-115

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Aboveground parts of mizuna plants were sprayed with 100 μg/ml L-methionine solution 3 or 10 days before inoculation. These plants were replanted in soil including Fusarium oxysporum f. sp. conglutinans (FOC). Disease severity scored at 14 days post-inoculation (dpi) was lower on L-methionine-treated plants than on untreated plants. No effect of L-methionine on mycelial growth of FOC was visible microscopically. Quantitative RT-PCR analyses of marker genes for plant defense responses (BrPR1, BrBGL2, BrLOX2, BrVSP2) in root tissues at 2 dpi showed that expression of these genes was higher in treated plants than in control plants.

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