2019 ASHS Annual Conference

Buckwheat is a gluten-free, functional food crop with high nutritional and medicinal values. It is considered as a short season grain crop that completes its growth cycle quickly within 90 days. In this study, we have evaluate buckwheat germplasm for agronomic traits and compared flavonoid contents in different type of buckwheat. A total of 380 buckwheat germplasm, including 342 accessions of common type and 38 accessions of tartary type, were evaluated for agro-morphological traits. Common type showed higher values of 100-grains weight and total grain weight than tartary type. The percentage of days to 50% flowering at the end of May were 98% in common type and at the early of June were 93% in tartary type. The average flavonoids contents in tartary type tended to be higher than that of common type. The average content of Rutin was 8778.79mg/kg dry weight(DW), and Quercetin was 43.06mg/kg DW in tartary type whereas the average content of Rutin was 220.72mg/kg DW, and Quercetin was 4.51mg/kg DW in common type. In our results, “Kyunbuk-1989-3322” (KOR), “CBU304” (CHN) and “Clfa41” (USA), “CBU261” (KOR) showed the highest values of total grain weight during spring cultivation, respectively. Additionally, three accessions of common type including “Shinshudai soba” (JPN), “Chungbuk-2010-2” (KOR), “Gangwon-2001-21” (KOR) showed higher values (>4g) of 100-grain weight. These identified genotypes could be used as basic genetic resource to improve grain yield in spring cultivation seasons.