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Editorial Board       p-ISSN 2308-4944 (print)       e-ISSN 2409-0085 (online)
SOI: 1.1/TAS         DOI: 10.15863/TAS

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ISJ Theoretical & Applied Science 06(122) 2023

Philadelphia, USA

* Scientific Article * Impact Factor 6.630

Shalkharov, Ye., & Kedelbayev, B.S.

Use of growth promoter activators for rooting decorative cultures.

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Language: English

Citation: Shalkharov, Ye., & Kedelbayev, B.S. (2023). Use of growth promoter activators for rooting decorative cultures. ISJ Theoretical & Applied Science, 06 (122), 412-419. Soi: Doi:

Pages: 412-419

Published: 30.06.2023

Abstract: The article is devoted to the improvement of the reproduction technology of coniferous (the blue spruce, the savine juniper) and deciduous (forsythia and the shiny cotoneaster) ornamental plants using activators of root formation and development, such as Kornevin, Zircon and HB-101. The research was conducted in 2014-2015 in conditions of protected and open ground of the municipal unitary enterprise "Kyzylzhar" located in the city of Shymkent, Turkestan region. The soils in the nursery were dark grey, middle loamy in texture. Humus content was 3.5%, the supply with labile phosphorus was average (5-10 mg/100 g of air-dry soil) and the supply with exchange calcium was high (15-25 mg/100 g air-dry soil). Rooting of green cuttings took place in plastic foil houses with a system of automated irrigation. As a substrate, a mixture of peat and sand 1: 1 was used. The estimation of the rooting ability of green cuttings of the blue spruce (a poorly rooting culture) and the savine juniper with the use of different types of biologically active substances showed that the best data on this indicator were noted when the cuttings had been processed by Zirkon, the worst data were on the control (water). The development of the roots of the studied coniferous species treated by Zircon was also the best. The use of growth stimulants on ornamental and deciduous plants also increased the yield of rooted green cuttings (%). The maximum number of rooted green cuttings of the cotoneaster was provided by Zirkon, and those of forsythia – by HB-101. Consequently, the processing of green cuttings of coniferous and deciduous ornamental species is a necessary condition for obtaining the maximum number of rooted cuttings for a short period of time.

Key words: landscaping, ornamental coniferous and deciduous plants, growth activators, vegetative propagation by green cuttings.








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