A new Job's-tears cultivar "Hatoyutaka" was developed at the National Agricultural Research Center for Tohoku Region, NARO, and was registered as "Norin 4" by the Ministry of Agriculture, Forestry and Fisheries (MAFF) in 2004. "Hatoyutaka" was selected from the progenies of the cross of "F_6-22 (Tohoku 1)/Ouu 4", with the aim of developing a new cultivar with early maturity, short culm, and high yield. The major agronomic characteristics of "Hatoyutaka" are as follows. The maturity is early to medium, later than that of "Hatojirou" and earlier than that of "Nakazato-zairai" . Its yield ability is higher than those of "Hatojirou" and "Nakazato-zairai". The plant height is as short as "Hatojirou", and shorter than that of "Nakazato-zairai". Its grain-setting layer is wider than that of "Hatojirou", and about the same as "Nakazato-zairai". Its lodging registance is the same as those of "Hatojirou" and "Nakazato-zairai". Its shattering is as easy as "Hatojirou" and "Nakazato-zairai" while its resistance to leaf blight is slightly weaker than that of "Hatojirou". "Hatoyutaka" is suitable for tea processimg, and the appearance of its roasted grains is good. "Hatoyutaka" is adapted to the Tohoku region of Japan. Its cultivation has been recommended in Iwate and Miyagi prefectures since 2004.
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ハトムギ新品種「はとゆたか」の育成
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