Abstract
The random amplified polymorphic DNA (RAPD) and self-incompatibility (SI) typing techniques were applied to settle a lawsuit between a Seed Company and a farmer concerning seed impurity in radish ( Raphanus sativus L.). After sowing “Halra Woldong” (HW) a winter radish variety, two morphologically different radish plants grew. Genomic DNA from each of the two types were prepared and analyzed using ninety-six RAPD markers and four variety-specific markers were found. The polymorphic RAPD band patterns were compared with those of the twenty Korean radish varieties. The genetic integrity of the two varieties in question was identified and further confirmed by SI-typing of S-locus glycoprotein ( SLG) and S-locus receptor kinase ( SRK) genes.
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