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Anatomical abnormalities of the intertribal cybrid between Brassica napus and Lesquerella fendleri
SUMMARY. The anatomical research of the vegetative organs of the cytoplasmatic hybrid in vitro plants containing the Brassica napus nucleus and the Lesquerella fendleri chloroplasts had been conducted in comparison to the parental forms. It was found, that the anatomical structure of the cybrid had been similar to rapeseed. Anomalous changes in the epithelial, parenchymal and connective tissue of the leaf, stalk, stem, and root of the cybrid were detected. The appearance of the anatomical defects can be explained by nuclear-cytoplasmatic incompatibility which is the cause of low adaptability of the cybrid to in vivo conditions and takes place due to alien chloroplast gene expression in the remote species.
Key words: cytoplasmatic hybrid; Brassica napus; Lesquerella fendleri; anatomy of vegetative organs
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|Coded & Designed by Volodymyr Duplij||Modified 22.06.21|