Summary
Triazine resistant Brassica napus ssp. oleifera and ssp. rapifera were hybridized to cultivars of B. oleracea ssp. italica, ssp. botrytis, ssp. capitata and ssp. fimbriata. The interspecific embryos did not survive in vivo but could be rescued in vitro using a culture medium developed by Monnier (1973). The embryos did not grow directly into normal plants but were successfully regenerated using the protocol developed by Keller (1984). Hybridization efficiency ranged from 0 to 2.64 hybrids per pollination. Interspecific embryo abortion may be related to abnormal endosperm development.
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Ayotte, R., Harney, P.M. & Machado, V.S. The transfer of triazine resistance from Brassica napus L. to B. oleracea L. I. Production of F1 hybrids through embryo rescue. Euphytica 36, 615–624 (1987). https://doi.org/10.1007/BF00041511
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DOI: https://doi.org/10.1007/BF00041511