| 摘要 |
The object of the present invention is the provision of a cybrid plant of the genus Lactuca which is useful for producing a first filial generation seed, and a method for producing the same. The present invention is directed to a cybrid plant of the genus Lactuca, a progeny thereof, or a part thereof, comprising, in cytoplasm thereof, a gene derived from mitochondria of a plant of the genus Helianthus. The cybrid plant is preferably cytoplasmic male sterile. The present invention is also directed to a method for producing the cybrid plant of the genus Lactuca.
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