Early Heading Mutants of T.monococcum and Ae.squarrosa, A-and D-Genome Ancestral Species of Hexaploid Wheat

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概要

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• Two induced mutants for early heading in diploid species of Triticum monococcum and Aegilops squarrosa, A-and D-genome ancestral species common to common wheat, were analyzed for the genetic behavior of the heading trait. The T.monococcum mutant headed earlier than its wild type under the long-day condition with vernalization treatment, whereas the Ae.squarrosa mutant headed under the short-day condition without any difference from the long-day one. These results indicate that the former is a mutant for narrow-sense earliness, and the latter, for photoperiod sensitivity. Earliness of both mutants was found to be controlled by a recessive gene. These early-heading mutants could be useful sources for the breeding of heading earliness of common wheat, as well as for genetic analysis for the determination of heading time.

• 日本育種学会の論文

著者

• Sasakuma Tetsuo

  Graduate School Of Integrated Science Yokohama City University

• Shindo Chikako

  Kihara Institute for Biological Research

• Sasakuma Tetsuo

  Graduate School of Integrated Science & Kihara Institute for Biological Research, Yokohama City University

関連論文

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• Early Heading Mutants of T.monococcum and Ae.squarrosa, A-and D-Genome Ancestral Species of Hexaploid Wheat

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