The effect of the drug "Epin-extra" on increasing the resistance of Fragaria х ananassa Duch. varieties to spring frosts
https://doi.org/10.18619/2072-9146-2024-6-106-110
Abstract
Relevance. A crucial condition for maintaining the vital potential of plants is their ability to with-stand adverse environmental conditions. The aim of the work was to study the effect of the drug "Epin-extra" on strengthening the resistance of Fragaria х ananassa Duch. plants for spring frosts.
Methods. The objects: strawberry garden Queen and Harvest CGL. With the onset of active growth in the spring period non-root treatments of strawberry plants with were carried out with a solution of the Epin-extra growth regulator containing 24-epibrassinolide. During budding phase, the plants were exposed to negative temperatures in a controlled environment chamber (-3oC) "Espec" PSL-2KPH (Japan). The functioning of the antioxidant defense system and the activity of lipid peroxidation processes in membranes lipids (POL) based on the accumulation of malondialdehyde (MDA) were carried out in the leaves of strawberry varieties.
Results. It was shown that the non-root treatment of strawberry varieties with the Epin-extra preparation contributed to a decrease in the processes of peroxidation of cell membranes. The content of malondialdehyde (MDA) was 10,2% lower by the Tsaritsa variety, and the variety the Urozhainaya CGL by 30,1% compared to the control. The amount of the amino acid proline in the Tsaritsa variety was 13,6 % higher compained to the control, and in the Urozhainaya CGL variety by 12,4%. Treatment with Epin-extra contributed to an increase in the amount of sugars in the leaf tissue of both varieties.
About the Authors
A. Yu. Stupina
Russian Research Institute of Fruit Crop Breeding
Russian Federation
Russian Federation
Anna Yu. Stupina - Junior Researcher.
p/o Zilina, VNIISPK, Oryol district, Orel region, 302530
Researcher ID: P-2709-2018
P. S. Prudnikov
Russian Research Institute of Fruit Crop Breeding
Russian Federation
Russian Federation
Pavel S. Prudnikov - Cand. Sci. (Biology), Senior Researcher.
p/o Zilina, VNIISPK, Oryol district, Orel region, 302530
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Review
For citations:
Stupina A.Yu., Prudnikov P.S. The effect of the drug "Epin-extra" on increasing the resistance of Fragaria х ananassa Duch. varieties to spring frosts. Vegetable crops of Russia. 2024;(6):106-110. (In Russ.) https://doi.org/10.18619/2072-9146-2024-6-106-110
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