Aerosol application of a rooting regulator for herbaceous cuttings of stone fruit rootstocks
https://doi.org/10.26897/0021-342X-2025-6-52-67
Abstract
The relevance of this work stems from the need to obtain a large amount of planting material for establishing and renewing commercial orchards.
Accelerated propagation of rootstocks for stone fruit crops will contribute to the development of the fruit growing industry. This article presents two-year data on the aerosol application of 4-(indol-3-yl)butyric acid (IBA) for rooting herbaceous cuttings of clonal stone fruit rootstocks: OP 23–23, VSL-2, and plum cultivar Eurasia 21. Prepared herbaceous cuttings were tied into bundles, their basal ends immersed 1–1.5 cm deep in a container with distilled water, and then placed in a film chamber for aerosol treatment lasting 4 to 20 hours. The aerosol was generated using an ultrasonic humidifier connected to a timer. The operating mode was cyclic, with mist generation for one minute followed by a 9-minute interval. The working solution of the rooting stimulant (25 mg/l) was prepared from “Koren Super”, WDG (5 g/kg indolyl-3-butyric acid) produced by Avgust, AO. An increase in rooting success was observed across all treatments. The best rooting rate was achieved with 16–20 hours of exposure, reaching 97.7 %, which is 10–11 % higher compared to the control. The number of first-order roots significantly increased, but their average length increased only slightly. The average length of new growth noticeably increased. A significant difference in the average number of new shoots was observed only for rootstock OP 23–23 with 20 hours of exposure in 2024.
About the Authors
E. G. Samoshenkov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Egor G. Samoshenkov, CSc (Ag), Associate Professor
Department of Pomiculture, Viticulture and Winemaking
127434; 49 Timiryazevskaya St.; Moscow
I. A. Fesyutin
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Ivan A. Fesyutin, postgraduate student
Department of Pomiculture, Viticulture and Winemaking
127434; 49 Timiryazevskaya St.; Moscow
A. V. Solovyov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Aleksandr V. Solovyov, CSc (Ag), Associate Professor, Head of the Department
Department of Pomiculture, Viticulture and Winemaking
127434; 49 Timiryazevskaya St.; Moscow
A. E. Bulanov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Alexander E. Bulanov, CSc (Ag), Senior Lecturer
Department of Pomiculture, Viticulture and Winemaking
127434; 49 Timiryazevskaya St.; Moscow
S. V. Akimova
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Svetlana V. Akimova, DSc (Ag), Associate Professor, Professor
Department of Pomiculture, Viticulture and Winemaking
127434; 49 Timiryazevskaya St.; Moscow
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Review
For citations:
Samoshenkov E.G., Fesyutin I.A., Solovyov A.V., Bulanov A.E., Akimova S.V. Aerosol application of a rooting regulator for herbaceous cuttings of stone fruit rootstocks. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2025;(6):52-67. (In Russ.) https://doi.org/10.26897/0021-342X-2025-6-52-67
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