Updated: 2025-12-21
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0225U004848, (0124U001152) , R & D reports
To investigate the impact of ozone as a stress factor on the initial stages of organogenesis of vegetable plants and to create initial breeding material resistant to abiotic factors of the environment under irrigation conditions
Дослідити вплив озону, як стресфактору на початкових етапах органогенезу рослин овочевих культур, та створити вихідний селекційний матеріал, стійкий до абіотичних чинників навколишнього середовища в умовах зрошення
Kosenko Nadiya P., кандидат с.-г. наук, старший науковий співробітник
20-12-2025
Institute of climate smart agriculture of the national academy of agrarian sciences of Ukraine
To develop, on the basis of the revealed correlations, a method of evaluating and selecting the initial selection material of vegetable crops for resistance to increased doses of ozone in laboratory and field conditions, to identify the sources of resistance of genotypes, to select the best initial selection material of tomato, sweet pepper and eggplant for further selection of varieties, suitable for cultivation in the agro-ecological conditions of southern Ukraine under irrigation conditions
Based on the results of research in 2024-2025, a methodology was developed for assessing the initial breeding material of edible tomatoes, sweet peppers, and eggplant to the action of ozone as a stress factor, which includes assessing the resistance of samples after ozone treatment (250 g/cm) of breeding samples at the early stages of organogenesis (phase 4-5 of true leaves). A scale for assessing the resistance of samples was developed, which is based on determining the change in the content of total chlorophyll in leaves after exposure to ozone. The best genotypes were evaluated and identified by the indicator of the decrease in the content of total chlorophyll in the leaves of vegetable plant seedlings (resistance to ozone): tomato - L 322 F8 (4 points); sweet pepper - L 118 (NP-4 F5) (7 points); eggplant - L 152 (Nasoloda F5) (9 points). According to productivity, samples of tomato L 322 F8, sweet pepper – L 126, eggplant – L 152 were selected. According to the content of dry soluble matter, samples of tomato L 322 F8, sweet pepper – L 120, eggplant – L 152 were selected. Models of varieties of edible tomato, sweet pepper, eggplant were developed.
Volodymyr I. Knysh
Romanenko Petro
Vasyl V. Kokoiko
Oleksandr S. Shablia
2025-12-20
Updated: 2025-12-21
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