Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia

Igor Prikhodko; Mikhail Bandurin; Galina Molchanova; Roman Ogadzhanyan

doi:10.55186/25876740_2025_68_4_462

VAK Russia 4.1.1 UDC 631.6

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STUDY OF THE DEPENDENCE OF RICE GRAIN EMPTINESS DURING THE FLOWERING PERIOD UNDER CONDITIONS OF CLIMATIC ANOMALIES IN THE SOUTH OF RUSSIA Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia

АА Аа

Published in INTERNATIONAL AGRICULTURAL JOURNAL · Issue 4 · Pages 462–466 · Rubric: Scientific support and management of agrarian and industrial complex

DOI: https://doi.org/10.55186/25876740_2025_68_4_462

Received: 05.11.2024 Accepted: 11.12.2024 Published: 15.08.2025

Authors

Igor Prikhodko

ORCID Scopus ResearcherID SPIN

Mikhail Bandurin

ORCID Scopus SPIN

Galina Molchanova

ORCID

Roman Ogadzhanyan

ORCID

Igor Prikhodko

Academic degree: candidate of technical sciences

Science rang: docent

Kuban State Agrarian University named after I.T. Trubilin head of the department · department of construction and operation of water facilities · Russian Federation · Krasnodar

ORCID Scopus ResearcherID SPIN

Mikhail Bandurin

Academic degree: doctor of technical sciences

Science rang: docent

Kuban State Agrarian University named after I.T. Trubilin dean of the faculty of hydro-reclamation · Russian Federation · Krasnodar

ORCID Scopus SPIN

Galina Molchanova

Kuban State Agrarian University named after I.T. Trubilin Bachelor of the 1st year · Bachelor's degree from the Faculty of Hydro-Reclamation · Russian Federation · Krasnodar

ORCID

Roman Ogadzhanyan

Kuban State Agrarian University named after I.T. Trubilin Bachelor of the 3rd year · Bachelor's degree from the Faculty of Hydro-Reclamation · Russian Federation · Krasnodar

ORCID

ABSTRACT

Currently, in the territory of the South of Russia, along with a shortage of water resources, there is an increase in the number of climatic deviations and an increase in the frequency of adverse natural phenomena, which leads to a decrease in the quality and quantity of the rice crop. Consequently, obtaining sustainable yields in the current natural and climatic conditions is a priority task, and its solution will strengthen Russia's food security and its international position as one of the world's leading producers and suppliers of grain to world markets. Therefore, the purpose of our research is to study and predict the impact of low temperatures during the flowering period, which affects the process of empty grain formation in rice. The studies were carried out by the authors based on long-term monitoring data on the production and economic activities of rice farms for 2019-2023. in Krasnoarmeysky district (OOO SKHP im. Lenin), Kalininsky district (OOO AF Kurchanskaya, OOO YUVIKS-PRO), Slavyansky district (OOO Chernoerkovskoye, OOO Meliorator, OOO APF Kuban, OOO APF Kuban), Abinsky district (OOO SKHP Kuban, OOO Ris), Temryuk district (GUP KK Kubanskie Produkty, GUP KK Kubanskie Produkty). The object of the study is the rice irrigation system. The subject of the research is the study of the dependence of the empty grains of rice during the flowering period. Due to the fact that empty grains are one of the main causes of yield losses in many regions where rice is cultivated, the article studies the effect of low temperatures, which have a significant impact on the process of empty grain formation, and studies the mechanisms and factors regulating this process. The authors present the results of a comprehensive study based on theoretical and experimental methods, using long-term data on various rice varieties and environmental parameters. It has been established that low temperatures during the rice flowering period have a significant impact on the process of empty grain formation. It has been revealed that with a decrease in temperature, pollination and pollination deteriorate, which leads to incomplete fertilization of rice flowers. A slowdown in the processes of division and differentiation of grain cells at low temperatures was also observed, which leads to inhibition of embryo growth and the formation of empty grains. It has been established that the dependence of empty grains on low temperatures can be strengthened or weakened depending on the rice variety. Some rice varieties with a higher resistance to low temperatures are less susceptible to the formation of empty grains, which opens up prospects for breeding work and increasing the resistance of rice varieties to low temperatures. The article concludes with practical recommendations on the optimal temperature for processing and caring for rice fields during the flowering period to minimize the risk of empty grain formation and increase rice yield.

KEYWORDS

rice, climatic anomalies, temperature, empty grains, rice varieties, rice sowing, rice yield

Funding

The research was carried out at the expense of a grant from the Russian Science Foundation and the Kuban Science Foundation No. 24-26-20003.

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Prikhodko I. A., Bandurin M. A., Molchanova G. A., Ogadzhanyan R. V. Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia // INTERNATIONAL AGRICULTURAL JOURNAL. 2025. no. 4. pp. 462-466. DOI: https://doi.org/10.55186/25876740_2025_68_4_462. (Date of access 20.09.2026).

MLA

Igor Prikhodko, Bandurin M. A., Molchanova G. A., Ogadzhanyan R. V.. "Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia." INTERNATIONAL AGRICULTURAL JOURNAL.4 (2025): 462-466. DOI: https://doi.org/10.55186/25876740_2025_68_4_462.

APA

Prikhodko I. A., Bandurin M. A., Molchanova G. A., Ogadzhanyan R. V. (2025). Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia. INTERNATIONAL AGRICULTURAL JOURNAL(4), 462-466. https://doi.org/10.55186/25876740_2025_68_4_462

Chicago

Igor Prikhodko, Bandurin M. A., Molchanova G. A., Ogadzhanyan R. V.. "Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia." INTERNATIONAL AGRICULTURAL JOURNAL, no. 4 (2025): 462-466. https://doi.org/10.55186/25876740_2025_68_4_462.

WIKI

{{cite journal | author = Prikhodko I. A., Bandurin M. A., Molchanova G. A., Ogadzhanyan R. V. | title = Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia | journal = INTERNATIONAL AGRICULTURAL JOURNAL | year = 2025 | issue = 4 | pages = 462-466 | doi = 10.55186/25876740_2025_68_4_462 }}

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STUDY OF THE DEPENDENCE OF RICE GRAIN EMPTINESS DURING THE FLOWERING PERIOD UNDER CONDITIONS OF CLIMATIC ANOMALIES IN THE SOUTH OF RUSSIA Study of the dependence of rice grain emptiness during the flowering period under conditions of climatic anomalies in the South of Russia

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