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Contemporary Problems of Ecology

2004 year, number 6

Ecological and Morphological Criteria of the Optimal Conditions for Germination of the Seeds of Wild Plants

G. P. Semenova

Abstract

The conditions of germination of the seeds with profound dormancy of the species of Aconitum L. genus and of rare endangered species of flora of Siberia are studied. The criteria of optimal conditions of supplementary development and germination of seeds are marked: the dynamics of germ growth and size before germination, which allows determining the standard response of species for temperature conditions and its ecological amplitude at early stages of ontogenesis. Sowing freshly gathered seeds into soil and under laboratory conditions is a shortcut method of determining dormancy extent of the seeds of different species.