Russian Federation
Russian Federation
Russian Federation
Russian Federation
UDC 631.11
UDC 811.9
The article is based on laboratory work on the study of the effect of increasing concentrations and composition of two-component growth stimulators used for pre-sowing seed treatment and seedling spraying on the intensity of initial plant growth of spring soft wheat varieties Daria. Two-component combinations of drugs have been studied as growth stimulants in laboratory experiments: Kornevin, Gumi-20, succinic acid, ethamone and chlorella suspension, as well as their three increasing concentrations of aqueous solutions of growth stimulants. A significant increase in germination energy by 2.2-3.0% and laboratory germination by 2.3-3.2% was determined when using the growth stimulator Kornevin + succinic acid at all concentrations. In the Kornevin + Gumi-20 variant, the germination energy increased by 2.2% for the first and second concentrations of growth stimulator solutions. The length of the germline roots and their dry weight in these variants were maximal for the first and second concentrations of the growth stimulant solution. High root availability of seedlings was determined in Kornevin + Gumi-20 (the first and second concentrations), Kornevin + chlorella suspension (the first concentration) and Kornevin + succinic acid (three concentrations of growth stimulant), where it was 69-73%. The maximum number of strong seedlings was obtained in the Kornevin+succinic acid variant at all concentrations of the growth stimulator – 90-96%. In the variants Kornevin+Gumi-20 and Kornevin + chlorella suspension, this indicator was 88-94% and 88-92%, respectively. Based on the research results, pre-sowing treatment of spring wheat seeds and seedling treatment is recommended to be carried out with an aqueous solution of Kornevin growth stimulants (1 g/l or 2.5 g/l) + succinic acid (1 g/l or 2.5 g/l) and Kornevin (1 g/l) + Gumi-20 (2 ml/l), which significantly increases the intensity of initial growth.
two-component growth stimulants, Kornevin, succinic acid, ethamone, chlorella suspension, Gumi-20, spring soft wheat
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