Abstract: Through observation on the traits of F ₁,F ₂ derived from H5A sterile line and the progenies of inbreeding and backcrossing,only two parent forms were found in the different populations,one was sterile plants with white flower and white seed coat,another was fertile plants with blue flower and brown seed coat.There were no recombination types.It was proved that sterility was either closely linked with flower colour and the colour of seed coat or complete linkage or one gene had more effects.

Key words: Nucleus sterile flax, Sterility, Marker trait

CLC Number: 

• S563.2