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Inheritance of microspore embryogenic ability in oilseed rape (Brassica napus L.) and Chinese cabbage (Brassica campestris L. ssp. pekinensis) was examined by 4 × 4 diallel crosses using cultivars showing a different response. In both species, embryo yields of most F1 hybrids were similar to, or over, the high responsive parent and some F1s showed(More)
Medium conditions for reliable shoot regeneration from cotyledonary explants of Chinese cabbage were examined. Maximum shoot regeneration was obtained in the presence of 5 mg/l BA and 0.5 mg/l NAA. Shoot induction was further improved by the addition of AgNO3 as well as higher concentrations (1.2–1.6%) of agar in the regeneration medium. When 123 genotypes(More)
 A procedure for producing transgenic Chinese cabbage plants by inoculating cotyledonary explants with Agrobacterium tumefaciens strain EHA101 carrying a binary vector pIG121Hm, which contains kanamycin-resistance and hygromycin-resistance genes and the GUS reporter gene, is described. Infection was most effective (highest infection frequency) when explants(More)
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