Abstract
The use of synthetic phytohormones is a promising technology for intensification and greening of agricultural production. Salicylic acid, among the others, is of particular interest. It causes anti-stress activity in plants in response to various adverse environmental factors in the laboratory. The analysis of the results of model field experiments showed that the use of salicylic acid for pre-sowing treatment of beet seeds varieties "Detroit" and "Egyptian flat" improves the habitus of mature plants, increases their water conservation capacity under adverse growth conditions (concentration 1•10-4 M). In adverse climatic conditions (initially excess moisture, and during the period of active growth and accumulation of nutrients - drought), the mass of the roots of both varieties of beets doubled under the influence of salicylic acid at a concentration of 1•10-5 M and increased 1.7 times at a concentration of 1•10-4 M (Detroit beets). This indicates a variety-specific reaction of beet plants to different concentrations of salicylic acid used for pre-sowing seed treatment. The use of salicylic acid in the cultivation of beets can become a priority in the transition of agriculture to the principles of sustainable development in a changing climate.
Highlights
Among the goals of sustainable development adapted for Ukraine (2015–2030), the goal of overcoming hunger and developing agriculture is the second most crucial objective after overcoming poverty
Model field studies of the effects of pre-sowing treatment with salicylic acid (SA) of beetroot seeds (Beta vulgaris L) of Detroit and Egyptian flat varieties were conducted on typical low-humus chernozem in Velykyi Hlybochok, Ternopil district, Ternopil region
The use of salicylic acid for pre-sowing treatment of beet seeds of Detroit and Egyptian Flat varieties improves the habitus of plants in the immature phase in all studied concentrations, increases their watersaving ability in unfavorable growth conditions at a concentration of 1∙10-4 M
Summary
Among the goals of sustainable development adapted for Ukraine (2015–2030), the goal of overcoming hunger and developing agriculture is the second most crucial objective after overcoming poverty. One of the promising technologies for intensification of agricultural production with its simultaneous greening is the use of synthetic plant growth regulators, which are the analogues of the natural regulators. The results of numerous laboratory studies and practical tests show that the use of plant growth regulators in agriculture is one of the most affordable and highly cost-effective measures to increase the productivity of major crops and improve their quality, especially in a changing climate (Kosakivska, 2003). Their influence varies depending on the type of plants, treatment application method, its concentration, climatic and edaphic factors. The large-scale application of growth regulators require preliminary model field research in the natural conditions
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