семенная продуктивность популяции

Распространение гаметофитного апомиксиса у представителей семейства Asteraceae во флоре Юга России

Authors: Kochanova I. S., Lisitzkaya N. M., Kashin A. S., Kirillova I. M., Polyanskaya M. V.

В ходе исследования семенной продуктивности при беспыльцевом режиме цветения в 34 естественных популяциях 30 видов 23 родов семейства Asteraceae Юго- Восточной России гаметофитный апомиксис обнаружен в популяциях 5 видов 5 родов. При этом для Artemisia salsoloides данный способ размножения отмечен впервые.

The peculiarities of seeded reprodaction of some species of Salicaceae family

Authors: Ugolnikova E. V.

During the cytoembriological investigation and the research of seed productivity of the species of Sаlicaceae family, growing in the different areas of Saratov region  the ability of gametophyte apomixic was found out in 5 populations of 5 species of willows. This way of seeded reproduction of Sаlicaceae family was noticed for the first time.

The distribution of gametophytic apomixis among the Asteraceae spesies from European part of Russia

Authors: Kochanova I. S., Lisitzkaya N. M., Kashin A. S.

In a course of investigation of seed productivity under the pollenless regime of flowering and cytogenetic investigation in 250 natural populations of 167 species of 62 the Asteraceae genera from European part of Russia gametophytic apomixis has been discovered in populations of 37 species from 20 genera. For the first time this mode of reproduction has been revealed in 26 species from 10  genera.

Apomictic reprodaction way of willows (Salix L.)

Authors: Ugolnikova E. V.

During the cytoembriological investigation and the research of seed productivity of the species of Salix L. (Salicaceae), growing in the different areas of Saratov region the ability of gametophyte apomixic was found out in 12 populations of 8 species of willows. This way of seeded reproduction of willows was noticed for the first time.