Mechanism of stimulation of germination of mulberry seeds by high-temperature treatment.

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  • KUSU SHIGEKI
    Faculty of Agriculture, Tokyo University of Agriculture and Technology
  • MOROHASHI YUKIO
    Faculty of Agriculture, Tokyo University of Agriculture and Technology

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  • クワ種子の発芽を促進する高温処理の作用機構
  • クワ シュシ ノ ハツガ オ ソクシンスル コウオン ショリ ノ サヨウ キコ

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High temperature treatment during a short time (e. g., 15min at 35°C) stimulated the germination of mulberry seeds at 25°C. Sensitivity of the seeds to the high temperatures continued to increase after imbibition and leveled off after about 20hr of imbibition. Far-red light irradiation applied immediately before or after the treatment with high temperatures did not suppress the stimulating effect of high temperatures. On the basis of these results, a possible mechanism for the high-temperature action was proposed.

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