Demchenko O. Biological features of the species Viburnum L. with regard of their introduction in the Right-bank Forest-steppe in Ukraine

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0404U001775

Applicant for

Specialization

  • 03.00.05 - Ботаніка

13-04-2004

Specialized Academic Board

К 26.215.01

Essay

The purpose of this thesis is investigation of 11 species and 5 forms of Viburnum L. in the Right-bank Forest-Steppe of Ukraine. It was studied the rhythms of development, specific features of the growth of sprouts, blossoming and fruiting of Viburnaceae species. It was established that under conditions of Forest-Steppe of Ukraine the phenophases of the most of the species studied are characterized as stable and conform to the climatic conditions of the region of introduction. The thesis covers the questions of resistance of Viburnum species to unfavourable environmental factors and marks their high ecological plasticity, winter and drought resistance. It was also analyzed the peculiarities of seed and vegetative reproduction and some effective methods of reproduction were suggested. In this thesis the results of introduction were reviewed and it was assessed the successfulness of acclimatization of the Viburnum species studied in the Right-bank Forest-Steppe of Ukraine.

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