Utilization of Nucleic Acid Compounds for Fruiting of Tricholoma matsutake

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  • Oga Shoji
    Faculty of Agriculture, Kyushu University
  • Koo C-D.
    School for Forest Resources, Chungbuk National University
  • Kim J-S.
    School for Forest Resources, Chungbuk National University

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Other Title
  • マツタケ子実体発生におよぼす核酸関連物質の効果
  • マツタケ シジツタイ ハッセイ ニ オヨボス カクサン カンレン ブッシツ ノ コウカ

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Ribonucleic acid (RNA-M) and 5'nucleotide mixture (RNA-Nt) were added to the mycelial colony (shiro) of Tricholoma matsutake prior to fruiting stage. Forty g ribonucleic acid derivatives was dissolved in 4,000ml distilled water, and sprayed directly to 4m^2 surface ground of the pine forest. Glucosamine, ergosterol and phospholipid were useful indicators to determine the fungal biomass in the fine roots. These indicator components in the fine roots increased after RNA-M and RNA-Nt addition, and then revealed obviously higher levels compare with nonaddition control plots. Addition of these compounds resulted to mycelial biomass increment judging from 3 indicator responses. Fruit body formation occurred around 30 days after addition of RNA-M and RNA-Nt. Total amount of fruit body was 230g (9 fruit bodies) (RNA-M) and 210g (7 fruit bodies) (RNA-Nt) during 14 days observation period. In contrast, yield of control plots were 0-60g (0-2 fruit bodies) in the experimental area. Yield and number of T. matsutake resulted increment with the addition of nucleic acid related compounds.

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