カレー用調理米飯向きの水稲新品種「華麗舞」の育成

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タイトル別名
  • A New Rice Variety "Kareimai"
  • カレー用調理米飯向き水稲新品種「華麗舞」の育成
  • カレーヨウ チョウリ ベイハン ムキ スイトウ シン ヒンシュ カレイ マイ ノ イクセイ

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In the breeding program aiming at developing rice varieties with a new useful grain characteristic, we bred a new rice variety, "Kareimai", at Hokuriku Research Center of National Agricultural Research Center. This variety is a non-glutinous rice variety suitable for curry and rice. "Kareimai" was bred from the progeny of a cross between Milyang 23 and Akihikari in 1979. From the F_8 progenies, we selected one promising line and named Hokuriku 149, and submitted the line to various locations for evaluating local adaptability. Hokuriku 149 was officially registered as Paddy Rice Norin 415 in MAFF and in 2006 it was named as "Kareimai". Agronomic characters of "Kareimai" evaluated are as follows. The heading date and ripening date is slightly earlier than "Koshihikari". Comparing with "Koshihikari", the culm length is about 20cm shorter, the panicle length is about 3cm longer and the panicle number is less. The plant type of this variety is classified into panicle weight type. The grain shape is slender. The surface of cooked rice of "Kareimai" is harder than "Koshihikari", but that of overall hardness is same as "Koshihikari". Therefore, "Kareimai" is suitable for curry and rice. "Kareimai" is estimated to possess true blast resistant genes, "Pia" and "Pib". The field resistance for leaf blast and panicle blast are not known. Tolerance to sprouting is weakish and cool weather tolerance is very weak. "Kareimai" can be grown in a region from Middle-Tohoku area to Kyushu area of Japan for new uses of rice.

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