Patent ID: 8044267

Claim:
A method of producing a male sterile Eruca sativa plant, wherein said plant comprises a male sterile cytoplasm conferring male sterility upon said plant, comprising the steps of: a) crossing a cytoplasmic male sterile Brassica oleracea [or a cytoplasmic male sterile Brassica napus ] plant comprising Ogura male sterile cytoplasm with an Eruca sativa plant, b) rescuing one or more embryos resulting from the cross of step a), c) regenerating a plant from one or more embryos of step b) and selecting one or more plant having Eruca sativa phenotype, d) doubling the chromosome number of the plant of step c), and e) back-crossing one or more plant resulting from step d) with an Eruca sativa plant and selecting for one or more plant with Eruca sativa phenotype.