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Cytogenetical investigation of the genus Nicotiana. III. Cytology and embryology of the hybrid F1 Nicotiana rustica L. (variety Azerbaidzhan) x Nicotiana glauca Gr



Cytogenetical investigation of the genus Nicotiana. III. Cytology and embryology of the hybrid F1 Nicotiana rustica L. (variety Azerbaidzhan) x Nicotiana glauca Gr



J. Inst. Bot. Acad. Sci. Ukraine, 11; 19, 59-71



Meiosis was studied in the pollen mother cells of Bolsunov's material (Cf. Abst. 898 above). From seven to twelve bivalents were formed at first metaphase, the remainder of the 36 chromosomes being present in the univalent condition. The univalents tended to precede at first anaphase. Micronuclei were not formed. The pollen grains do not appear to develop past the one-cell stage.

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