COMPARATIVE EFFECTS OF METABOLICALLY ACTIVE COMPOUNDS ON THE CONTENT OF GREEN PHOTOSYNTHETIC PIGMENTS IN LEAF TISSUES AND THE YIELD OF STRAWBERRY (FRAGARIA ANANASSA DUCH.)

DOI: https://doi.org/10.32848/agrar.innov.2026.36.10
Keywords: garden strawberry, vitamin E, ubiquinone- 10, methionine, p-hydroxybenzoic acid, MgSO₄, total chlorophyll a b

Abstract

One of the important components of modern technologies for berry crop cultivation aimed at optimizing physiological processes and improving production efficiency is the application of metabolically active compounds for seedling root treatment and foliar spraying of plants. Purpose. To investigate the effect of metabolically active compounds on the content of green photosynthetic pigments in the leaves of garden strawberry and its yield when applied through seedling root treatment and foliar spraying of plants. Methods. Field experiments were conducted according to the methodology of field trials. Biochemical methods were used to determine the content of chlorophylls a and b in strawberry leaf tissues. Statistical processing of the obtained results was carried out using methods of mathematical statistics with the application of the Data Analysis package in MS Excel 2016 and Student’s t-test. Results. The use of combinations vitamin E + p-hydroxybenzoic acid + methionine + MgSO₄, vitamin E + ubiquinone-10, and ubiquinone for strawberry treatment led to an increase in the total chlorophyll (a + b) content, as well as in the individual contents of chlorophyll a and chlorophyll b in leaf tissues during the budding and flowering stages. Seedling root treatment combined with foliar application of metabolically active compounds contributed to an increase in strawberry yield by 14.9–24.3%. The highest yield was recorded in the variant with the application of the combination vitamin E + methionine + p-hydroxybenzoic acid + MgSO₄, where this indicator exceeded the control by 24.3%. Conclusions. The chlorophyll content in the leaves of garden strawberry plants remained high throughout all studied developmental stages. The combined treatment of seedling roots and foliar application of metabolically active compounds in the second year after planting, namely vitamin E + methionine + p-hydroxybenzoic acid + MgSO₄, vitamin E + ubiquinone, and ubiquinone, ensured an increase in the total chlorophyll (a + b) content, as well as in the contents of chlorophyll a and chlorophyll b in strawberry leaf tissues. The highest yield of garden strawberry was observed in the treatment with the composition vitamin E + methionine + p-hydroxybenzoic acid + MgSO₄. The studied combinations of metabolically active compounds vitamin E + methionine + p-hydroxybenzoic acid + MgSO₄ and vitamin E + ubiquinone demonstrated high biological efficiency and may be recommended for use in strawberry cultivation technologies in order to increase crop productivity.

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Published
2026-05-30
Issue
No 36 (2026): Agrarian innovations
Section
MELIORATION, ARABLE FARMING, HORTICULTURE
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