We conducted a field survey of genus Vigna plants in the Yaeyama archipelago (Ishigaki, Iriomote, Hateruma and Yonaguni islands), Okinawa prefecture, from 8th to 14th July, 2013. A total of 26 accessions were collected from 3 species in the genus Vigna . These included 1 accession of Vigna luteola (Jacq.) Benth. , 22 accessions of V. marina (Burm.) Merr. and 3 accessions of V. riukiuensis (Ohwi) Ohwi & Ohashi. At several habitats, roots were observed by digging the soil, and pH levels and NaCl concentrations of the soils were measured. Collected seeds were conserved in the National Institute of Agrobiological Sciences (NIAS) genebank. We plan to multiply the seeds and evaluate their growth traits.
沖縄県八重山列島におけるVigna属植物遺伝資源の探索収集 ２０１３年
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