A new rice cultivar 'Kinnoibuki'
2017
Endo, T. | Nagano, K. | Sasaki, K. | Chiba, B. | Wagatuma, K. | Hayasaka, H. | Saeki, K. | Sakai, M.
'Kinnoibuki' is a new giant embryo rice cultivar with low amylose content developed at the Furukawa Agricultural Experiment Station in 2013. It was selected from the progenies of a cross between 'Takitate' which has low amylose content and 'Hokurikumochi 167' (later known as 'Mebaemochi') which has a giant embryo. 'Kinnoibuki' is classified as a mid-late maturing plant in the central and southern areas of the Tohoku region. Culm length is medium. Grain yield is almost the same as 'Hitomebore', and 1000-grain weight is slightly less. The plant is a partial panicle number type. Cool temperature tolerance is very high at the reproductive stage. It has a true blast resistance genotype of 'Pii', a moderate field resistance to leaf blast, and a slightly weak field resistance to panicle blast. It also has a moderate resistance to lodging and a sprouting resistance that is slightly high. Grain appearance is milky and grain quality is slightly inferior to that of 'Hitomebore'. Embryo size is large and gamma-aminobutyric acid (GABA) content is high compared to a common cultivar such as 'Hitomebore'. When milled, amylose content is low. When milled rice is cooked, it is sticky and has palatable flavor. Areas suitable for cultivation include the southern Tohoku region and areas south of Tohoku.
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