| Budget Amount *help |
¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
Effects of growth stage, day length and light quality on flower-bud formation in wasabi (Wasabia japonica) were examined to establish an efficient flowering induction system in a plant factory for a year-round stable seed production. We showed that flower-bud formation occurs effectively in wasabi plant cultivated more than 4 months after planting by low-temperature treatment at 4-8°C for one month and over 14 hours in the light period using LED white light (RGB). Light quality (blue, far-red and red light) has little influence on flower-bud formation, and FT, one of the essential flowering genes constitutively expressed in both light and dark periods under the above conditions.
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