Home – Home – Jornals – Flora and Vegetation of Asian Russia 2024 number 1

The article reports the results of the following studies: seasonal development, seed production and embryo conditions in the mature seeds of Delphinium grandiflorum L. The research was done over two years (2021-2022). The species successfully goes through all phenophases, one generative shoot forms 299-700 pcs. seeds. For the first time, significant differences were revealed in the number of flowers and fruits on the main axis of synflorescence and paracladia of various orders, as well as in the number of ovules in flowers and seeds in fruits located on different parts of synflorescence. The article presents the influence of vegetation period hydrothermal conditions on seed productivity and quality of seeds. The weather conditions of 2022 year were the most favorable for the growth and development of D. grandiflorum, which was expressed in the early beginnings of phenophases, high seed productivity, and the more developed embryos in mature seeds. This may be due to the fact that during the budding and flowering of D. grandiflorum there were absence of significant fluctuations in air temperature and humidity. D. grandiflorum plants are promising for cultivation in Western Siberia according to the following reproductive indicators: seasonal development, seed productivity and development of embryos in seeds.