Varietal differences of rutin, protein and oil content of common buckwheat (Fagopyrum esculentum) grains in Kyushu area [Japan]
2002
Morishita, T. (Institute of Radiation Breeding, Omiya, Ibaraki (Japan)) | Tetsuka, T.
Research was conducted to define the characteristics of rutin, protein, and oil contents of common buckwheat in the Kyushu area with the use of local and breeding varieties containing various origins and ecotypes. The analysis of variance showed that the differences among varieties and years were significant at the 1% level for the rutin, protein, and oil contents. The range of the varietal differences of rutin content was larger than protein and oil content. Except for protein content, environmental variation was bigger than the genetic one. There were many high rutin content varieties in Nepal, but varietal characteristics depending on origin were not found in other origins. It was indicated that a high temperature was advantageous for rutin accumulation during maturing. There was an inverse significant correlation between grain yield and rutin content and a significant correlation between protein content and oil content. But it was unclear that a relationship existed between flour to grain ratio, 1,000 grain weight, and these contents.
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