GROWTH AND DEVELOPMENT CHARACTERISTICS OF PYRETHRUM PARTHENIUM (L.) SMITH. INTRODUCED IN THE WESTERN FOREST-STEPPE OF UKRAINE

• Main Authors: O. V. Gurs'ka, S. V. Pyda
• Format: Article
• Language: English
• Published: Bogdan Chmelnitskiy Melitopol State Pedagogical University 2014-06-01
• Series: Bìologìčnij Vìsnik Melìtopolʹsʹkogo Deržavnogo Pedagogìčnogo Universitetu Imenì Bogdana Hmelʹnicʹkogo
• Online Access: http://ojs.mdpu.org.ua/index.php/biol/article/view/880

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. Keywords: Pyrethrum parthenium (L.) Smith., vegetative period, ontogenesis, phenological phases, edaphic-climatic  conditions.