N. A. Kashirina, N. V. Nevkrytaya, A. V. Mishnev, N. S. Krivchik, S. I. Krivda
Research Institute of Agriculture of Crimea, Simferopol, Russia
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Volume 25 No. 10
Date of paper submission: 16.06.2025, date of review: 23.08.2025, date of acceptance: 27.08.2025
Published: 10/31/2025
Abstract. The gene pool of the mint collection of the Research Institute of Agriculture of Crimea, which serves as a source of valuable initial material for breeding, includes 136 samples. Due to the high level of polymorphism of the samples, it is imperative to undertake a comprehensive analysis of their morphological traits. The purpose. Research aimed to analyze samples from the mint collection according to a set of morphological traits in order to assess the degree of their differences. Methods. The studies were conducted in 2019–2021 on the experimental field located in the Crimean Foothills (Krymskaya Roza village, Belogorskiy district). The total area of the nursery – 460 m2 . The seedlings of Mentha L. samples were transplanted annually in April. Planting scheme – 1.0 × 0.6 m, accounting area of the plot – 0.6 m2 . The indicators were analyzed in accordance with the methodological recommendations for the study of essential oil-bearing crops and ‘Guidelines for the Conduct of Tests for Distinctness, Homogeneity and Stability’. As a result of the research, three groups of samples, depending on the technical ripeness terms, were identified: early, mid and late maturing. Results. According to plant form, we identified 92 erect samples and 44 less erect forms (67.6 and 32.4 %, respectively). According to plant height, all samples were divided into high-growing – 25 (18.4 %), medium-growing – 73 (53.7 %), low-growing – 38 (27.9 %). The anthocyanin coloration of the stem was detected in 52 samples (38.2 %), the trichomes on the underside of the leaf – in 63 samples (46.3 %). In the course of the present research, 77 samples (56.6 %) were revealed to be of an ovate and 59 (43.4 %) of lanceolate form with serrate, dentate, crenate and sinuate leaf margins (edge of the leaf lamina) and acute, obtuse and rounded leaf tips (apices). Regarding inflorescence shape, 119 samples were cylindrical, 14 conical and 3 globular (87.5 %, 10.3 % and 2.2 %, respectively). In terms of petal color, white (11 samples or 8.1%), pink (37 samples or 27.2 %) and violet (88 samples or 64.7 %) representatives were detected. Scientific novelty. The obtained data are valuable for further breeding work.
Keywords: mint (Mentha L.), morphological traits, polymorphism, essential oil-bearing plants, collection
Acknowledgments. This study was supported by the Ministry of Education and Science of the Russian Federation as part of the State Contract “Study of the Gene Pool of Spicy-Aromatic, Essential-Oil, and Medicinal Plants and the Creation of Highly Productive Adaptive Varieties of Cultivated and Promising Species to Expand the Range of Cultivated Crops” (Reg. No. NIOKTR 122101300040-6, 2022–2026).
For citation: Kashirina N. A., Nevkrytaya N. V., Mishnev A. V., Krivchik N. S., Krivda S. I. Morphological traits of Mentha L. samples from the collection of the Research Institute of Agriculture of Сrimea. Agrarian Bulletin of the Urals. 2025; 25 (10): 1530‒1540. https://doi.org/10.32417/1997-4868-2025-25-10-1530-1540 (In Russ.)
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