| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
Parthenocarpy is the fruit development without pollination. Induction of parthenocarpy fruit by plant hormone treatment is used in producing grape and tomato fruits. The aim of this study was to reveal the role of plant hormones during parthenocarpy fruit development in strawberry. Of 13 auxins, a synthetic auxin Picrolam (Pic) appeared to be the most potent auxin that induced parthenocarpy strawberry fruits. Pic induced fruits as large as the pollinated fruits in size with high maturity rate. While even though Pic induce fruits about the same size as pollinated fruits, a certain level of gibberellin was required for the fruit development. The role of jasmonate during fruit maturation was also analyzed.
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