The Influence of the Cuttings Propagation Timing on the Rooting Ability of Cuttings of Some Willow Species in the Norilsk Industrial District
Journal Title: Lesnoy Zhurnal (Russian Forestry Journal) - Year 2025, Vol 405, Issue 3
Abstract
To create willow plantations in the Norilsk Industrial District, it is necessary to use planting material from the most resistant to man-made impact local willow species (Salix lanata L., S. hastata L. and S. viminalis L.) using the cuttings method. Obtaining the best results of rooting cuttings in the open and covered ground in the conditions of the Norilsk Industrial District is possible if the optimal timing of their cutting is observed, which should coincide with the period of readiness of the shoots of the maternal plant to form roots, as well as when certain conditions are created for growing plants (temperature-humidity and lighting conditions, the presence of a nutrient soil mixture, treatment of cuttings with a rooting preparation). The timing of cuttings propagation is considered and determined taking into account weather conditions, phenophases of development of maternal plants and the influence of the listed factors on the rooting process. The optimal timing can be considered to be the periods starting from the moment of bud swelling and ending with the entry of maternal plants into the active growth phase (from the first 10 days of June till the first 10 days of July). Harvesting cuttings of species of the genus Salix at this time has contributed to the success of their rooting and survival. High rooting results in both types of ground have been recorded in 2023 for the species S. viminalis L. (51–87 %) and S. hastata L. (48–82 %) during the period of the beginning of leaf growth and intensive plant development; slightly lower, under the same conditions, have been the indicators for S. lanata L. (41–74 %). It is important to emphasize that for the studied willow species, no significant differences in the rooting process of cuttings have been identified. Analysis of the results of the rooting of cuttings of various willow species allows us to conclude that it is advisable to further use them as planting material in this natural area. The data obtained can serve as a basis for the development of a technology for growing willow cuttings in arctic conditions and be applied in the planning of reclamation and landscaping of urban facilities in the Norilsk Industrial District.
Authors and Affiliations
Gennadij S. Varaksin, Natal’ya N. Cherbakova
Keywords
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- EP ID EP768935
- DOI 10.37482/0536-1036-2025-3-52-62
- Views 4
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