Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic

Andi Magomadov; Zarina Okazova; Larisa Titova

doi:10.55186/25876740_2025_68_4_476

VAK Russia 4.1.1 UDC 632.51 UDC 633.11

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ASSESSMENT OF THE DURATION OF THE CRITICAL PERIOD OF CO-GROWING OF WEEDS AND MAIZE HYBRIDS IN THE STEPPE ZONE OF THE CHECHEN REPUBLIC Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic

АА Аа

Published in INTERNATIONAL AGRICULTURAL JOURNAL · Issue 4 · Pages 476–479 · Rubric: Scientific support and management of agrarian and industrial complex

DOI: https://doi.org/10.55186/25876740_2025_68_4_476

Received: 17.06.2025 Accepted: 23.07.2025 Published: 15.08.2025

Authors

Andi Magomadov

ORCID

Zarina Okazova

ORCID

Larisa Titova

ORCID

Andi Magomadov

Academic degree: doctor of agricultural sciences

Chechen State University named after A.A. Kadyrov director · Agrotechnological Institute · Russian Federation · Grozny

ORCID

Zarina Okazova

Academic degree: doctor of agricultural sciences

Chechen State University named after A.A. Kadyrov; Chechen State Pedagogical University professor of the department · department of ecology and life safety · Russian Federation · Grozny

ORCID

Larisa Titova

Academic degree: candidate of agricultural sciences

Chechen State University named after A.A. Kadyrov associate professor of the department · department of fruit and vegetable growing and viticulture · Russian Federation · Grozny

ORCID

ABSTRACT

The goal is to study the possibility of reducing the critical period of co-growth of weeds and corn plants of hybrids of different ripeness groups in the steppe zone of the Chechen Republic. The research period is 2024. The experiment used a medium-late hybrid of corn Krasnodar 425 MV and a late-ripening hybrid of corn Krasnodar 507 AMV. The possibility of using a growth regulator of natural origin - a derivative of humic substances - Humat+7 in a concentration of 0.01% for pre-sowing seed treatment was studied. This method is preferred on the basis of studies conducted in 2023 in the forest-steppe zone of the Chechen Republic. Regardless of the cultivated maize hybrid, there is a mixed type of clogging and a fairly high incidence of pests and diseases, and the issue of increasing the competitiveness of the crop and reducing the critical period of harmfulness of the weed field component is acute. It is this task that is intended to solve the use of natural growth regulators based on humic substances - Gumat+7 - in the technology of cultivating corn in the steppe zone of the Chechen Republic. Without pre-sowing treatment of the seeds of the medium-late hybrid of corn, the critical period for the joint growth of the cultivated and weedy components of cenosis is 30 days from the date of emergence. When using Humat+7 (0.01%) for pre-sowing treatment of seeds, it became possible to reduce the duration of this period to 24 days. The critical period of co-growth of weeds and plants of the late-ripening hybrid Krasnodar 507 AMV is 32 days. When using Humat+7 at a concentration of 0.01% for pre-sowing seed treatment, it became possible to reduce the duration of the critical period of harmfulness to 25 days. When cultivating corn hybrids of different ripeness groups on grain, in order to reduce the critical period of joint growth of weeds and cultivated plants and, as a result, reduce the total number of harmful objects, pre-sowing treatment of seeds with the growth regulator of natural origin Humat+7 at a concentration of 0.01% is necessary.

KEYWORDS

corn hybrids, weeds, pests, diseases, growth regulator, humic substances, critical period of harmfulness, yield, yield loss

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Magomadov A. S., Okazova Z. P., Titova L. A. Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic // INTERNATIONAL AGRICULTURAL JOURNAL. 2025. no. 4. pp. 476-479. DOI: https://doi.org/10.55186/25876740_2025_68_4_476. (Date of access 29.10.2026).

MLA

Andi Magomadov, Okazova Z. P., Titova L. A.. "Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic." INTERNATIONAL AGRICULTURAL JOURNAL.4 (2025): 476-479. DOI: https://doi.org/10.55186/25876740_2025_68_4_476.

APA

Magomadov A. S., Okazova Z. P., Titova L. A. (2025). Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic. INTERNATIONAL AGRICULTURAL JOURNAL(4), 476-479. https://doi.org/10.55186/25876740_2025_68_4_476

Chicago

Andi Magomadov, Okazova Z. P., Titova L. A.. "Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic." INTERNATIONAL AGRICULTURAL JOURNAL, no. 4 (2025): 476-479. https://doi.org/10.55186/25876740_2025_68_4_476.

WIKI

{{cite journal | author = Magomadov A. S., Okazova Z. P., Titova L. A. | title = Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic | journal = INTERNATIONAL AGRICULTURAL JOURNAL | year = 2025 | issue = 4 | pages = 476-479 | doi = 10.55186/25876740_2025_68_4_476 }}

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ASSESSMENT OF THE DURATION OF THE CRITICAL PERIOD OF CO-GROWING OF WEEDS AND MAIZE HYBRIDS IN THE STEPPE ZONE OF THE CHECHEN REPUBLIC Assessment of the duration of the critical period of co-growing of weeds and maize hybrids in the steppe zone of the Chechen Republic

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