EXTRACTS OF POPLARS BALSAMIC AS GROWTH REGULATORS OF SPRING WHEAT
Abstract
The influence of different extracts obtained from leaves and buds of the poplars balsamic Populus balzamifera (water-soluble substances of the leaves, essential oil kidney and alcoholic extract of the kidneys), growing in the Krasnoyarsk territory, on the growth and development of spring wheat varieties Omskaya 36 in laboratory and field conditions is studied. Water-soluble substances leaves was isolated by the method of hot water extraction, alcoholic extract – ethyl alcohol under optimum conditions, the essential oil is by steam distillation. The obtained extracts from the vegetative parts of poplar researched generally accepted in chemistry of vegetable raw materials methods. Found that all prepared from extracts of poplar water emulsions affect the germination of seeds in laboratory conditions and on the initial growth (germination), and biological yield of spring wheat varieties Omskaya 36 in the field. The greatest positive impact on the productivity of wheat in the field had only emulsion based water-soluble substances leaves of the poplars balsamic with a concentration of 0,5 g/L. Increasing the drug concentration 10 times inhibited plant growth. Carbohydrates, amino acids and mineral components contained in the extract, presumably had a cumulative effect on seed germination and showed regulatory activity.
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