Microspore mutagenesis and selection: Canola plants with field tolerance to the imidazolinones

  title={Microspore mutagenesis and selection: Canola plants with field tolerance to the imidazolinones},
  author={Eric Bruce Swanson and M. J. Herrgesell and Maryanne Arnoldo and D. W. Sippell and Richard Chee Seng Wong},
  journal={Theoretical and Applied Genetics},
In vitro microspore mutagenesis and selection was used to produce five fertile double-haploid imidazolinone-tolerant canola plants. The S2 plants of three of the mutants were resistant to at least the field-recommended levels of Assert and Pursuit. One mutant was tolerant to between five and ten times the field-recommended rates of Pursuit and Scepter. Two semi-dominant mutants, representing two unlinked genes, were combined to produce an F1 hybrid which was superior in imidazolinone tolerance… CONTINUE READING
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