Honda Motor Co., Ltd.

Yoichi Morinaka

Tomonori Takashi

Hidemi Kitano

Kenji Jinushi

Toshiro Komura

Provided is a method for producing a rice F1 seed, including crossing a rice male sterile line of Koshihikari containing one or more genes selected from the group consisting of the sd1 gene, the Gn1 gene and the hd1 gene derived fromL. cultivar Habataki, or a rice male sterile line exhibiting semi-waxiness as a seed parent, with a rice fertility restorer line as a pollen parent, and collecting the first filial generation seed (F1 seed) from the post-crossing seed parent; and a rice male sterile line containing one or more genes selected from the group consisting of the sd1 gene, the Gn1 gene and the hd1 gene derived fromL. cultivar Habataki.

Method for producing rice F1 seed, rice F1 seed, and rice male sterile line

Provided is a method for producing a rice F1 seed including crossing a rice male sterile line of Koshihikari containing one or more genes selected from the group consisting of the Pb1 gene derived from a rice (L) cultivar Modan and the Cr1 gene derived from, as a seed parent, with a rice fertility restorer line as a pollen parent, and collecting the first filial generation seed (F1 seed) from the post-crossing seed parent; a rice F1 seed which is obtained by the above-described method for producing a rice F1 seed; and a rice cytoplasmic male sterile line including one or more genes selected from the group consisting of the Pb1 gene derived from rice (L) cuitibar Modan, and the Cr1 gene derived from

Growing community of inventors

Nagoya, Japan

Yoichi Morinaka