| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a new cultivar produced by a method for producing a new cultivar having target traits without changing preferred traits of an original cultivar by controlling regions substituted with chromosome fragments derived from an introduced foreign cultivar in the case of making a plant cultivar improvement by a non-transgenic method. <P>SOLUTION: A progeny individual is obtained by hybridizing two individuals selected from a group consisting of an Oryza sativa cultivar (excluding Oryza sativa cultivar Koshihikari Kazusa No.4) in which a region containing an Sd1 gene, a region containing a Gn1 gene, and a region containing an Hd1 gene out of a chromosome of Oryza sativa cultivar Koshihikari are substituted with homo chromosome fragments derived from Oryza sativa cultivar Habataki, an individual of the Oryza sativa cultivar, and a progeny individual of the individual of the Oryza sativa cultivar. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
