Selection of New Check Rice Varieties for Evaluating High Cold Tolerance and the Development of Breeding Lines with High Cold Tolerance in the Tohoku Region of Japan

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概要

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• To select new check rice varieties for evaluating cold tolerance at the booting stage higher than 'Very-tolerant', precisely, cold tolerance was investigated using a deep-water irrigation system at 7 breeding stations for 5 years from 2004 to 2008.<BR>Judging from the percentage sterility, new check varieties from pre-existing 'Very-tolerant' to 'Very-tolerant 9' in the very-early heading group ('Yumekogane' class) and from 'Very-tolerant' to 'Very-tolerant 11' in the very-early ('Kakehashi' class), early, early-to-moderate and moderate heading groups were selected. Using the new check varieties, new breeding lines with high cold tolerance and good agronomic traits were developed.

著者

• NAKAGOMI Koji

  NARO Tohoku Agricultural Research Center

• NAKAGOMI Koji

  NARO Tohoku Agricultural Research Center, National Agriculture and Food Research Organization (NARO)

関連論文

• Selection of New Check Rice Varieties for Evaluating High Cold Tolerance and the Development of Breeding Lines with High Cold Tolerance in the Tohoku Region of Japan
• Close linkage of a blast resistance gene, Pias(t), with a bacterial leaf blight resistance gene, Xal-as(t), in a rice cultivar 'Asominori'

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