The importance of stimulators in cultivating a non-traditional plant-indigofera Tinctoria L

¹ Urganch State University, Urgench, Uzbekistan
² Scientific-Research Institute of Cotton Planting, Seed Germination and Cultivation, Tashkent, Uzbekistan
³ Khiva High School of Agriculture Techniques, Khiva, Uzbekistan

^* Corresponding author: sherzod.korabayev@gmail.com

Abstract

The article depicts the duration and norms of the use of various stimulants in the cultivation of the non-traditional leguminous plant Indigofera (Indigofera tinctoria L.) and its effect on seed yield, root and stem residues, and the amount of total proteins grown in the conditions of the meadow alluvial soils of the Khorezm, the northern region of the Republic of Uzbekistan. To get a high and quality seed yield from Indigofera, it should be sown at 3 kg per hectare in the third ten days of April, and a geohumat stimulator is applied at a rate of 1.0 l/ha along with sowing, 1.6 l/ha during the period of 3–4 true leaf appearances, and 1.6 l/ha in the flowering season of the vegetation. When applied at the rate of, a higher seed yield of 18.3 t/ha was obtained compared to the control option without stimulant use, 6.8 t/ha, and 2.9 t/ha compared to the option where Uzgumi as a chosen option was used only with planting, and it is based on the fact that 1.6 t/ha of additional seed yield can be obtained compared to the option where Geohumat stimulator was used only with planting. Also, it has been scientifically justified that the amount of total proteins increased up to 12.960% in the plant leaf, 30.980% in the seed, and 6.945% in the root when the geohumat stimulator was used at acceptable rates along with planting, during the 3–4 true leaves of the growing season, and during the flowering period. It indicates that the result is 1.249, 1.47, and 1.307% more proportionally than options grown without the stimulator.