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Possibilities of using the plant growth regulator Melafen in grape nursery

https://doi.org/10.32786/2071-9485-2024-01-12

Abstract

Introduction. When developing resource-saving technologies for the production of planting material, a significant place is given to preparations containing physiologically active substances, the action of which would lead to the stimulation of the most important physiological and biochemical processes in the plant body and, as a result, would ensure an increase in the yield and quality of seedlings.

Object of the research was the technology of production of grafted grapevine seedlings. The subject of the study is the use of synthetic medicine Melafen in the technological cycle of grafted grapevine seedlings production of Preobrazhenie, Stanichny, Tsimlyansky Cherniy (rootstock – B×R Kober 5BB) varieties.

Materials and methods. The research was carried out in All-Russian Research Ya. I. Potapenko Institute for Viticulture and Winemaking – branch of the Federal State Budget Scientific Institution Federal Rostov Agricultural Research Center (Novocherkassk, Rostov region) in laboratory and field conditions, according to generally accepted methods in viticulture. Table grafting was used for the experiment. The method of growing seedlings is open, with mulching of the soil with a black film, the planting scheme was 0.2 x 0.15 m. The experiment included 5 variants in 3 repetitions of 100 grafts. The single cultivation technology was used in all variants of the experiments (stratification, irrigation, fertilizer, plant protection from diseases and pests).

Results and conclusions. It was found that Melafen in a very low concentrations has an effect on regeneration processes, contributing to the formation of stronger connections between the graft and rootstock cuttings. The yield of grafts after stratification, depending on the grafted variety and the concentration of the solution, increased by 1.0-23.3% relative to the control variants. The maximum yield of grafts after stratification was 93.3% (Preobrazhenie 1 x 10-11 mg/l and Stanichny 1 x 10-7 mg/l). Inhibition of the bud break of Tsimlyansky Cherniy variety was noted using a solution with concentrations of 1 x 10-9 and 1 x 10-11. In all the other variants of the experiment, Melafen stimulated the bud break and the shoot growth. The drug had a positive effect on the adaptation of grated plants to field conditions, the growth and development of seedlings in the nursery. In all experimental variants, an increase in the yield of grafted seedlings was noted, the excess relative to the control variants ranged from 0.6 to 16%. The prospects for using the drug Melafen in grape nurseries have been proven.

About the Authors

N. G. Pavlyuchenko
All-Russian Research Institute of Viticulture and Winemaking named after Y. I. Potapenko, a branch of the Federal State Budgetary Scientific Institution "Federal Rostov Agrarian Research Center"
Russian Federation

Pavlyuchenko Natalia Georgievna, Candidate of Agricultural Sciences, Leading Researcher of the Grape Nursery Laboratory

Russian Federation, 346421, Rostov region, Novocherkassk, Baklanovsky pr.,  166 



O. I. Kolesnikova
All-Russian Research Institute of Viticulture and Winemaking named after Y. I. Potapenko, a branch of the Federal State Budgetary Scientific Institution "Federal Rostov Agrarian Research Center"
Russian Federation

Kolesnikova Olga Ivanovna, Senior Researcher, Grape Nursery Laboratory

Russian Federation, 346421, Rostov region, Novocherkassk, Baklanovsky pr., 166 



N. I. Zimina
All-Russian Research Institute of Viticulture and Winemaking named after Y. I. Potapenko, a branch of the Federal State Budgetary Scientific Institution "Federal Rostov Agrarian Research Center"
Russian Federation

Zimina Natalia Ivanovna, Senior Researcher, Grape Nursery Laboratory

Russian Federation, 346421, Rostov region, Novocherkassk, Baklanovsky pr., 166 



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For citations:


Pavlyuchenko N.G., Kolesnikova O.I., Zimina N.I. Possibilities of using the plant growth regulator Melafen in grape nursery. Title in english. 2024;(1 (73)):115-124. (In Russ.) https://doi.org/10.32786/2071-9485-2024-01-12

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