| Budget Amount *help |
¥14,170,000 (Direct Cost: ¥10,900,000、Indirect Cost: ¥3,270,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2018: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2017: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
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| Outline of Final Research Achievements |
In this study, single nucleotide polymorphisms in genetic resources of Japanese morning glory collected by the National BioResource Project were detected by the RAD-Seq method, and selected core collections in which allelic diversity was maintained. Genome-wide association studies using this core collection identified alleles and chromosomal regions that are likely to be involved in varietal differences in time of flower opening time and petal senescence, which are determinants of flower lifespan. In addition, a significant negative correlation was detected between flower lifespan and the number of seeds in a trait survey using the core collection. Furthermore, it was confirmed that the number of seeds increased when petal senescence was promoted by ethylene treatment.
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