Abstract
The results of a study of the development and seed reproduction of the Lavender Mountain Lily, Ixiolirion tataricum (Pall.) Herb. introduced to Novosibirsk are presented. Phenorhythmotype of the species is an early-summer flowering hemi-ephemeroid, which grows in the third decade of April, blooms in June, bears fruit in July, and completes the growing season in late Julyearly August. The seasonal development lasts 94102 days. The real seed productivity (RSP) averages 11 1 pcs. of seeds per capsule, while the conditional real seed productivity (CRSP) is three times higher. Laboratory germination of seeds in the harvest year up to 98% on stratification at +4C. The economic longevity of seeds at room storage is preserved for 34 years. With soil sowing of seeds, seedlings appear next spring and the plants bloom in the 4th6th year. I. tataricum is non-sustainable in the collection of the botanical garden, the duration from the appearance of seedlings to the complete death of individuals doesnt exceed 7 years. Maintaining of I. tataricum in the conditions of forest-steppe of Western Siberia as a rare species and valuable ornamental perennial is possible by regular renewal with local seed reproductions.
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