"Bekogenki" is a new rice cultivar for whole crop silage (WCS) bred at the NARO Tohoku Agricultural Research Center in 2014. "Bekogenki" was selected from the progenies of a cross between the "Ukei-shi864" and "Aokei-shi161 (Ushiyutaka)" rice lines. "Bekogenki", which is classified as a rather early -heading group in the middle of the Tohoku region, could be harvested in the yellow ripe stage in early September before the harvesting of food rice. "Bekogenki" has a little, short and very thick culm, a very long flag leaf and a small number of panicles per area. Its resistance to leaf blast and panicle blast remain unknown, but it is believed to have the true resistance genes to blast, Pia and Pib. Its cold tolerance at the booting stage is a little weak. Its preharvest sprouting tolerance is a little low. The brown rice yield of "Bekogenki" does not differ from that of the WCS rice cultivar "Bekogonomi". The brown rice can be easily discriminated from brown rice for food due to its larger grain size and worse appearance quality. "Bekogenki" produced a larger whole crop yield and total digestible nutrient (TDN) yield at the yellow ripe stage than "Bekogonomi" in high fertilization/direct seeding cultivation at the NARO Tohoku Agricultural Research Center. "Bekogenki" indicated a stable and high whole crop yield and received a good evaluation as silage in a field test in the Hiraga area of Akita Prefecture. "Bekogenki" is expected to spread in the Hiraga area and the rest of the Tohoku region.
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東北地域の稲発酵粗飼料の生産に適した水稲品種「べこげんき」の育成
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