Ecological study of the Zernograd rice varieties in the Kuban floodplain
| Autor: | P. I. Kostylev, E. V. Krasnova, A. V. Aksenov, М. А. Ladatko, I. A. Zeleneva, B. V. Foliyants |
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| Jazyk: | ruština |
| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | Зерновое хозяйство России, Vol 0, Iss 3, Pp 48-53 (2023) |
| Druh dokumentu: | article |
| ISSN: | 2079-8725 2079-8733 |
| DOI: | 10.31367/2079-8725-2023-86-3-48-53 |
| Popis: | The development of new rice varieties and their fast introduction into production is of great importance for improving productivity and gross grain harvest. In the main rice breeding institutions in Russia (FRC of Rice and “ARC “Donskoy”), there are constantly being developed more productive varieties that are resistant to diseases and stress factors. Each variety has a genetically determined response to differences in the agro-ecological conditions of the area, which affects productivity, and, accordingly, the demand for plant production. The current paper has presented the results of the ecological testing of five rice varieties on the fields of two farms in the Krasnodar Territory in 2021–2022, which demonstrated significant differences in productivity. The results of the ecological testing of rice varieties have shown that the productivity varied significantly depending on the farm, year, forecrop and fertilizer variant in the trials. In the ESP ‘Krasnaya’, on average for 2 years, according to four forecrops and two fertilizer options, the leading variety was ‘Rapan 2’, which produced 8.13 t/ha, the variety ‘Favorit’ was in the second place with 7.59 t/ha, the variety ‘Argamak’ was in the third one with 7.23 t/ha. In the RPZ ‘Krasnoarmeisky’, the variety ‘Argamak’ showed the maximum productivity (8.04 t/ha), sown after rice at a low check, the same productivity with the variety ‘Favorit’ (7.99 t/ha), and larger productivity than that of the variety ‘Rapan 2’ (7.49 t/ha). At a high check, the maximum productivity was formed by the varieties ‘Rapan 2’ (9.05 t/ha) and ‘Favorit’ (8.50 t/ha), and the early-maturing Zernograd variety ‘Virasan’ (8.43 t/ha). The productivity of the studied varieties highly positively correlated with the trait ‘number of spikelets per panicle’ (r = 0.75±0.18), moderately positively correlated with the trait ‘plant height’ (r = 0.47±0.24), ‘panicle length’ (r = 0.40±0.25), ‘number of seeds per panicle’ (r = 0.66±0.20) and ‘seed weight per panicle’ (r = 0.65±0.20). There has been recommended to grow a highly productive rice variety Argamak developed by the ARC “Donskoy” in the Krasnodar Territory. |
| Databáze: | Directory of Open Access Journals |
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