Creation of planting material for small-leaved linden in the Omsk region

Abstract

Small-leaved linden occupies the most important place among tree species, being a valuable plant due to its ability to yield nectar. Expanding the growth area of small-leaved linden will allow the local population to increase the production volume of linden honey, which has long been considered the best one. Currently, there is no artificial reforestation of this tree species in the Omsk region, since this tree species is grown in very small quantities in the forest nurseries of the main Forestry Department of the Omsk region, mainly for the purpose of urban planting of greenery. Small-leaved linden has a high decorative value and is therefore used as a park tree for urban planting of greenery in Omsk and for improvement of recreational areas. Many issues of artificial reproduction of small-leaved linden in the conditions of the Omsk region remain unexplored. In places of natural growth, only propagation with young growing trees is of practical value. Seed propagation technology has not been developed for the conditions of the Omsk region. The issue complexity lies in the fact that small-leaved linden has a period of long and deep physiological seed dormancy. The article considers experimental data on the propagation of small-leaved linden by seeds, analyzes parameters of growth and development of seedlings. The heterogeneity of planting material (seedlings) grown from seeds of local origin has been determined. The use of environmentally friendly products to protect and stimulate the growth of seedlings has produced positive results. Preparations Black yeast and Azolen increased the height of seedlings and the diameter of the root neck, and preparations Trichodermin and Elena contributed to the formation of a more powerful root system.