Selection of the optimal concentration of sodium chloride (NaCl) solution for rapid assessment of cucumber (Cucumis sativus L.) for salinity resistance

UDC 635.63:631.526.32
https://doi.org/10.25630/PAV.2025.83.77.005

Chistyakova L.A., Egorova A.A., Baklanova O.V., Khovrin A.N.

The article presents the results of research on the selection of the optimal concentration of sodium chloride solution (NaCl) for the evaluation of the source material and the search for genetic sources of resistance to salinity for cucumber breeding (Cucumis sativus L.). The research was conducted at ARRIVG, a branch of the Federal State Budgetary Scientific and Scientific Institution of the Russian Federation and Poisk Agrofirm LLC (Russian Federation, Moscow Region, Ramenskiy district, Vereya village) during 2021-2023. The laboratory experiment was carried out in two versions: with dry  and sprouted cucumber seeds. Based on an analysis of the effect of the concentration of sodium chloride solutions (NaCl) (50, 100, 150, 200, 250, 300 mmol/l) has an inhibitory effect on cucumber seedlings (a decrease in the number of germinated seeds in a solution of sodium chloride (NaCl), a decrease in the length of the root and the average weight of one seedling). The optimal concentration of 200 mmol/l sodium chloride (NaCl) solution was determined to assess the development of cucumber seedlings. The effectiveness of using this selection material assessment method has been proven. A strong negative inverse effect of sodium chloride (NaCl) solution concentration on cucumber seed germination, rootlet length, and average sprout weight (r> –0,80) was revealed. Strong positive direct relationships were found between the number of germinated seeds in sodium chloride (NaCl) solution and rootlet length (r> 0,70); average sprout weight and rootlet length (r> 0,90); average sprout weight (sprouted seeds) and average sprout weight (dry seeds) (r> 0,90); rootlet length (sprouted seeds) and rootlet length (dry seeds) (r> 0,90).

Key words: cucumber, NaCl, soil salinity, salt tolerance, seedlings, germination, germination energy, seed germination.

Chistyakova L.A., Cand. Sci. (Agr.), senior researcher of breeding of cucurbitaceous crops laboratory, ARRIVG – branch of the Federal State Budgetary Scientific Institution of Federal Scientific Vegetable Center (ARRIVG – branch of FSBSI FSCVG), breeder of Poisk Agrofirm. E-mail: lyubov.chistyakova.83@mail.ru

Egorova A.A., Cand. Sci. (Agr.), senior researcher of breeding of cucurbitaceous crops laboratory, ARRIVG – branch of FSBSI FSCVG, E-mail: egorova.ana@mail.ru

Baklanova O.V., Cand. Sci. (Agr.), leading researcher of breeding of cucurbitaceous crops laboratory, ARRIVG – branch of FSBSI FSCVG, breeder of Poisk Agrofirm. E-mail: baklanova@semenasad.ru

Khovrin A.N., Cand. Sci. (Agr.), associate professor, head of department of breeding and seed growing, ARRIVG – branch of FSBSI FSCVG, head of department of breeding and primary seed production of Poisk Agrofirm. E-mail: hovrin@poiskseeds.ru

 
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For citing: Selection of the optimal concentration of sodium chloride (NaCl) solution for rapid assessment of cucumber (Cucumis sativus L.) for salinity resistance. L.A. Chistyakova, A.A. Egorova, O.V. Baklanova, A.N. Khovrin. Potato and vegetables. 2025. No5. Pp. 55-60. https://doi.org/10.25630/PAV.2025.83.77.005 (In Russ.).

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Comparative evaluation of F1 hybrids of cherry tomato with different fruit colors based on a set of biochemical, biometric and organoleptic parameters

UDC 635.64:581.19
https://doi.org/10.25630/PAV.2025.49.28.004

Topinskiy A.I., Gavrish S.F.

The article presents the results of competitive variety testing of F1 hybrids of cherry tomato (Lycopersicon esculentum Mill., var. cerasiforme). The aim of the study was to conduct a comparative evaluation of F1 hybrids of cherry tomato with different fruit colors based on a set of biochemical, biometric and organoleptic parameters. The study was conducted at the Krimsk breeding center «Gavrish» (Krasnodar Territory, V light zone) in 2023-2024. The samples were studied for a set of characteristics, including biometric (fruit weight, number of fruits in inflorescence, total yield) and biochemical parameters (content of dry soluble substances, dry matter, monosaccharides, titratable acidity), as well as organoleptic indicators. Significant differences in the complex of biochemical and organoleptic parameters between the color groups were established. Thus, over the entire observation period, the highest dry matter content was characteristic of yellow-fruited hybrids (x̅ = 8.7%), monosaccharides for red-fruited hybrids (x̅  = 4.8%), the highest value of the sugar-acid coefficient and tasting assessment was also noted in the red-fruited group (x̅ = 10.6 and 3.9 points, respectively). As a result of the study, the following F1 hybrids were isolated and submitted to the State Variety Testing: red-fruited - k-2717/20 «F1 Cheruti»; yellow-fruited - k-2742/20 «F1 Pikachu»; pink-fruited - k-2749/20 «F1 Monami»; brown-fruited - k-2754/20 «F1 Roxy», which combine high productivity with good organoleptic properties.

Key words: cherry tomato, F1 hybrid, fruit color, biochemical analysis, dry matter, sugars, acidity, yield

Topinskiy A.I. (corresponding author), research fellow, Gavrish Research and Production Association LLC, Postgraduate at the FSBSI Federal Scientific Vegetable Center (FSBSI FSVC). E-mail: topinsky@gavrish.ru

Gavrish S.F., D.Sci. (Agr.), professor, Head of the Board of Directors of GAVRISH company

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