| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2020: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2018: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
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| Outline of Final Research Achievements |
Since the lateral root primordium size is a major factor that determines the root system morphology and regulates the water absorption capacity under drought stress, it is extremely important for stable rice production under a poor environment to elucidate the control mechanism of the lateral root primordium size. Here, we tried to characterize some rice mutants that produce big size of lateral root primordia and isolate and analyze each mutant’s causative gene. As a result, it was clarified that changes in cell wall extensibility and auxin localization are involved in the control of lateral primordium size.
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