Сельскохозяйственная биология, 2009, № 1, с. 54-59.

УДК 634.74:581.3

DYNAMICS OF POLLEN GERMINATION AND GROWTH OF POLLEN TUBES in vitro IN Hippopha rhamnoides L. HYBRIDS OF DIFFERENT ECOLOGO-GEOGRAPHIC ORIGIN

D.A. Lapshin, T.N. Kuznetsova

By in vitro cultivation the qualitative parameters of pollen were investigated in hybrids of Hippopha rhamnoides L. of different ecologo-geographic origin of selection of Nizhni Novgorod State Agricultural Academy. The technique for determination of pollen viability was perfected and the time of germination all viable pollen was determined. It was established that all H. rhamnoides hybrids on dynamics of pollen germination and growth of pollen tubes subdivide into two groups with different duration of these processes (2-4 and 16-22 hours, respectively).

Key words: sea buckthorn, hybrids, pollen-grain, pollen-tube, viability.