Microspore culture of winter oilseed rape (Brassica napus L.) in conjunction with other in vitro technologies
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Microspore culture in conjuction with other technologies such as selection, mutagenesis and transformation has been used for the production of novel genotypes of Brassica napus L. for crop improvement. The example of in vitro selection of microspore - derived embryos includes: a) ploidy level, b) seed oil composition (for example: high level of erucic acid), c) genotypes with restorer gene for CMS-ogura system (by means of isozyme marker PGI-2 ), d) herbicide resistant forms. Efficiency of microspore mutagnesis has been tested by the treatment of freshly isolated microspores with UV and MNU. Direct delivery of foreign gene to the microspores (microprojectile bombardment) combined with the use of Agrobacterium tumefaciens to microspore derived embryos seems to be a promising way of oilseed rape transformation.
Publication order reference
T. Cegielska-Taras, Instytut Hodowli i Aklimatyzacji Roslin, ul. Strzeszynska 36, 60-479 Poznan, Poland, e-mail:email@example.com