| Budget Amount *help |
¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
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| Outline of Final Research Achievements |
Large seed varieties of Adzuki bean are produced as an alternative crop to paddy rice in upland field converted from paddy (UFCP). As drainage of UFCP is not well done after long and heavy precipitation, the yields have not been stable in south west-warm region of Japan. Therefore, we newly proposed a cultivation practice in combination with early sowing before rainy season and pinching with defoliation (PWD) before the anthesis to inhibit vining through overgrowth. PWD improved the light intercepting characteristics in the canopy of the plants, resulting in an efficient use of solar radiation in lower leaves. After PWD, number of the branches increased, resulting that LAI was recovered within 20 days. These results suggest that combination of early seeding and PWD could be available for adzuki bean production to alleviate wet injury during the seeding period. PWD plants did not lodge, and produced lots of pods at the upper nodes of the several branches at the pod filling stage.
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