Growth And Development Characteristics Of Pyrethrum Parthenium (l.) Smith. Introduced In The Western Forest-steppe Of Ukraine
O. V. Gurs'ka, S. V. Pyda
The characteristics of the growth and development of four varieties of Pyrethrum parthenium (L.) Smith., introduced in edaphic-climatic conditions of Western Steppes of Ukraine were studied. The duration of plant growth on the field was 150-165 days, the flowering period was 80-90 days. The ecological and biological characteristics of this species (soil indifference, heliophile and thermophyte features were described. It is showed that plants were successfully vegetated and fruited in this edaphic-climatic zone and were remained high decorative quality throughout the vegetative period.