Termination of germination energy of seeds of some ornamental plant species

To obtain a high yield of each crop, a decisive factor is high indicators of germination energy and laboratory germination of their seeds. In the article on the example of four species of ornamental plants Lilium pensylvanicum, Delphinium grandiflorum, Scutellaria crassifolia and Bergenia crassifolia the course and results of calculations to establish the timing of determining the germination energy of their seeds are outlined. In general, the main sowing qualities of 24 species of ornamental plants recommended for wide propagation for landscaping of settlements of Yakutia were determined. The work was carried out on the basis of the collection of natural flora of Yakutia at the Botanical Garden of the Institute of Biological Problems of Cryolithozone SB RAS. Seeds of different years of collection were tested. In total, the number of samples ranged from 5 Dianthus superbus to 55 Papaver nudicaule subsp. gracile. It is shown that the character of germination of seeds of the studied species is ambiguous, the terms of determining the germination energy of their seeds are also different, which vary from 3 days for Dianthus versicolor to 15 days for Aquilegia sibirica. Statistical and mathematical processing of experimental data using MS Excel program was carried out. The obtained data are of considerable interest for use in ornamental floriculture, research work in the study of seed quality, as well as in other experiments in the practice of seed science.