New Canola Germplasm of High Oil Content Created by Somatic Hybrids between Brassica napus and Descurainia sophia
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    Abstract:

    Fertile progenies of somatic hybrids between double low rapeseed and Descurainia sophia were selfed in three consecutive generations,resulting in F2,F3 and F4 populations.By individual selection and quality identification ,nine elite plants with oil content more than 45%,erucic acid content less than 0.5%,glucosinolate content less than 30 μmol/g were obtained from 247 F3 individuals,two of which were yellowseeded.All of these plants remained the high oil and double-low properties in F4 population.15 new elite individuals with high oil content and double low contents were obtained from 905 F4 plants,and five of which were yellowseeded.It was concluded that through somatic hybridization and progeny selection,new germplasm with desired traits including yellowseeded,high oil percentage,doublelow quality,could be obtained.

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