A new Job's-tears cultivar "Hatokirara" was developed at the NARO Tohoku Agricultural Research Center in 2011. "Hatokirara" was selected from the progenies of the cross between "Tohoku 1/Ohotsuku-1", with the aim of developing a new cultivar with early maturity and short culm. The major agronomic characteristics of "Hatokirara" are as follows. The maturity is early, 10 days earlier than that of "Hatojirou" and 14 days earlier than that of "Hatoyutaka". Its yield ability is the same as or higher than those of "Hatojirou" and lower than those of "Hatoyutaka". The plant height is shorter than those of "Hatojirou" and "Hatoyutaka". "Hatokirara" is able to mature with stability because its date of maturity is earlier than that of the standard variety "Hatojirou" in the Tohoku region in the cold district, and because it has a short culm, the machine harvest aptitude is high. Its grain-setting layer is wider than that of "Hatojirou", and about the same as that of "Hatoyutaka". Its lodging resistance is the same as those of "Hatojirou" and "Hatoyutaka". Its shattering is as easy as "Hatojirou" and "Hatoyutaka", while its resistance to leaf blight is the same as that of "Hatojirou". "Hatokirara" is suitable for tea processing. "Hatokirara" is adapted to the southern part of the Hokkaido region, the Tohoku region and the Honshu cold upland of Japan.
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ハトムギ新品種「はときらら」の育成
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