Abstract. Sweet sorghum in several large agricultural regions of the Russian Federation with unstable or insufficient moisture is becoming a real alternative to traditional feed grain crops. It has high adaptability and provides a stable green mass yield for silage. The purpose of the current work was to estimate and characterize promising sweet sorghum varieties developed by the ARC “Donskoy”. Methodology: the current study was carried out in the FSBSI “Agricultural Research Center “Donskoy” from 2020 to 2022. The soil of the experimental plot was ordinary calcareous heavy loamy blackearth (chernozem). The objects of research were 17 new varieties being studied in the nursery of the competitive variety testing. Scientific originality lies in the study of morphological, biochemical, and productive indicators of the new promising sweet sorghum varieties; in identifying among them the most adaptive ones to the conditions of insufficient (or unstable) moisture in the North Caucasus. Results. During the study there was found out that when selecting varieties according to economically valuable traits, it should be taken into account that the growing conditions have no effect only on a vegetation period and a number of leaves are practically, other traits can change significantly. According to green mass productivity, the most stable samples were ‘M’ (V = 2.7 %), ‘ZR-1/44’ (V = 7.3 %), ‘KL-12198/2’ (V = 8.2 %), ‘RS-124/ 19’ (V = 9.3 %), ‘Sakharnoe 105/3’ (V = 10.2 %). The analysis of quality and productivity indicators there were identified the new sweet sorghum varieties ‘Yuzhnoe’, ‘Amazanit 301’ and ‘Feniks’. The identified varieties have exceeded the standard one on 4–13 t/ha of green mass, on 2.9-–4.3 t/ha of dry matter, on 0.24–0.36 t/ha of digestible protein. The varieties ‘Feniks’ and ‘Yuzhnoe’, approved for use in the North Caucasus, the Central Blackearth and the Low-Volga regions of the Russian Federation, can be recommended for widespread introduction into agricultural production.
sweet sorghum, breeding, variety, hybrid, productivity, green mass, dry matter
1. Sedukova G. V., Kristova N. V., Podolyak S. L. Pitatel'naya cennost' zelenoy massy sorgo saharnogo, sorgo-sudankovogo gibrida, sudanskoy travy v Yugo-Vostochnoy chasti Belarusi // Zemledelie i selekciya v Belarusi. 2022. № 58. S. 249-255.
2. Kopylovich V. L. Zasuhoustoychivye kormovye kul'tury na yuge Belarusi // Nashe sel'skoe hozyaystvo. 2020. № 7 (231). S. 60-65.
3. Kovtunov V. V. Posevnaya ploschad' i urozhaynost' sorgo zernovogo // Zernovoe hozyaystvo Rossii. 2018. № 3 (57). S. 47-49. DOI:https://doi.org/10.31367/2079-8725-2018-57-3-47-49.
4. Biktimirov R. A., Nizaeva A. A., Shakirzyanov A. Kh., Sharipkulova Z. M. Analysis of Sudangrass collection cultivars in the Cis-Ural steppe of the Bashkortostan Republic // E3S Web of Conferences: International Conference “Ensuring Food Security in the Context of the COVID-19 Pandemic” (EFSC2021). Doushanbe, Republic of Tadjikistan, 2021. Vol. 282. Article number 02008. DOI:https://doi.org/10.1051/e3sconf/202128202008.
5. Kovtunov V. V., Kovtunova N. A., Popov A. S. The indices of sorghum seed quality in dependence on ecological and geographical origin // IOP Conference Series: Earth and Environmental Science. 2021. Article number 012007. DOI:https://doi.org/10.1088/1755-1315/843/1/012007.
6. Kapustin S. I., Volodin A. B., Kapustin A. S., Samokish N. V. Evaluation of the quality of sweet sorghum fodder // Iraqi Journal of Agricultural Sciences. 2022. Vol. 53. No. 5. Pp. 1184-1189. DOI:https://doi.org/10.36103/ijas.v53i5.1632.
7. Boyko V. S., Timohin A. Yu., Volodin A. B., Nizhel'skiy T. N. Potencial produktivnosti sorgo saharnogo v yuzhnoy lesostepi Zapadnoy Sibiri // Kormoproizvodstvo. 2022. № 4. S. 29-33.
8. Metodika gosudarstvennogo sortoispytaniya sel'skohozyaystvennyh kul'tur. Vypusk 1. Obschaya chast'. Moskva, 2019. 329 s.
9. Romanyukin A. E., Kovtunova N. A., Shurshalin V. A., Ermolina G. M. Izmenchivost' osnovnyh elementov produktivnosti saharnogo sorgo // Zernovoe hozyaystvo Rossii. 2022. № 3. S. 69-75. DOI:https://doi.org/10.31367/2079-8725-2022-81-3-69-76.
10. Yudin V. N., Boldyreva L. L., Britvin V. V. Issledovanie samoopylennyh form sorgo saharnogo kak ishodnogo materiala dlya sozdaniya gibridov v usloviyah Kryma // Trudy Kubanskogo gosudarstvennogo agrarnogo universiteta. 2022. № 97. S. 150-154. DOI:https://doi.org/10.21515/1999-1703-97-150-154.
11. Kovtunova N. A., Romanyukin A. E., Kovtunov V. V., Kravchenko N. S. Parametry adaptivnosti i izmenchivosti urozhaynosti i kachestva zelenoy massy sudanskoy travy // Vestnik rossiyskoy sel'skohozyaystvennoy nauki. 2022. № 6. S. 58-62. DOI:https://doi.org/10.31857/2500-2082-2022/6/58-62.
12. Kapustin S. I., Kapustin A .S., Samokish N. V., Volodin A. B. Feed quality of new Sudan grass varieties // Journal Of Agriculture and Nature. 2022. Vol. 25. No. 2. Pp. 400-405. DOI:https://doi.org/10.18016/ksutarimdoga.vi.916295.
13. Kovtunova N., Kovtunov V., Popov A., Volodin A., Shishova E., Romanyukin A. Inheritance of the main quantitative traits in sweet sorghum hybrids F1 . E3S Web of Conferences. 2020. Vol. 175. Article number 01012. DOI:https://doi.org/10.1051/e3sconf/202027501012.
14. Biktimirov R. A., Shakirzyanov A. H., Nizaeva A. A. Ekologicheskaya stabil'nost' i plastichnost' kormovogo sorgo v Respublike Bashkortostan // Dostizheniya nauki i tehniki APK. 2019. T. 33. № 8. S. 46-49. DOI:https://doi.org/10.24411/0235-2451-2019-10810.
15. Bojović R., Popović V.M., Ikanović J., Živanović Lj., Rakaščan N., Popović S., Ugrenović V., Simić D. Morfological characterization of sweet sorghum genotypes across environments [e-source] // The Journal of Animal & Plant Sciences. 2019. Vol. 29 (3). Pp. 721-729. URL: https://thejaps.org.pk/docs/v-29-03/11.pdf (date of reference: 22.02.2023).
16. Kibal'nik O. P., Efremova I. G., Semin D. ., Kukoleva S. S. Saharnoe sorgo dlya vozdelyvaniya v zasushlivyh regionah RF // Izvestiya sel'skohozyaystvennoy nauki Tavridy. 2022. № 29 (192). S. 66-75.
17. Rimareva L. V., Serba E. M., Overchenko M. B. [i dr.] Kompleksnoe ispol'zovanie soka stebley saharnogo sorgo dlya polucheniya etanola i kormovoy belkovo-aminokislotnoy dobavki // Pischevaya promyshlennost'. 2021. № 5. S. 56-61. DOI:https://doi.org/10.52653/PPI.2021.5.5.013.
