Biological characteristics of sorghum crop
Keywords:
sorghum, abiotic factors, stress resistance, domestication, adaptation.
Abstract
Nowdays global trends in climate change have drawn attention of the scientific community to crops with wide range of plasticity to abiotic environmental factors. Sorghum crop is a species with properties like these. Moreover it is a crop with great potential of yield and versatility of use. Grain sorghum belongs to the plants with ability to form the high level of productivity under various growing conditions, providing moisture, soil, and temperature regimes. Sorghum is the undisputed leader among field crops in its ability to withstand to prolonged droughts, high air and soil temperatures.
Aridization as the result of climate change causes in expanding the potential region for grain sorghum growing. In recent years, due to global climate change towards warming, there is an increase in the likelihood of droughts not only in the Steppe zone, but in the Forest-Steppe of Ukraine as well. This causes the inclusion of drought- and heat-resistant species in the crop range. The main argument for more intensive involvement of grain sorghum in the region agrocenoses - its high ecological plasticity, which can be a full-fledged alternative to other spring grains (such as barley, corn, sunflower, millet) in unfavorable terms of hydrothermal coefficient of the growing season. The basic technology elements of grain sorghum cultivation for ensuring high and stable yields in the southern regions of Ukraine have been studied in many researchers. However, the technological elements of grain sorghum cultivation in the North-Eastern region of Ukraine require detailed research to guarentee the high level of yields. The breeders established new modern varieties and hybrids of this crop, their reaction to the factors of the yield formation (sowing time and plant density, nutrients, etc.) were studied fragmentarily. The relevance of these problems, the insufficient level of their scientific substantiation, determined the scientific feasibility, practical significance of the study of the peculiarities of growing grain sorghum in the conditions of the North-Eastern region of Ukraine. Prospects for further research are based on the development of scientific principles for ensuring high productivity of grain sorghum with high quality indicators in the North-Eastern Forest-Steppe of Ukraine.
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Published
2020-10-26
How to Cite
Zhatova, H., & Kovalenko, M. (2020). Biological characteristics of sorghum crop. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, 40(2), 14-22. https://doi.org/10.32782/agrobio.2020.2.2
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