The generally accepted technology for growing grafted plants necessitates the development of an advanced technology for the production of planting material, which ensures a high yield of quality cuttings, for example, with the use of growth-stimulating preparations. The aim of the study was to develop effective elements of the technology for the production of grafted grape cuttings using a dose of growth-stimulating preparations to improve the quality and yield of grafted grape cuttings. The highest regenerative activity in the Tsimlyanskyi chernyi variety was exhibited by the variant with soaking in the "Humat+7" stimulant (scion+rootstock), in which, on the 15th day after inoculation, 100% callus formation was observed, bud burst in 93.3% of grafts, saplings yield accounted for 77.1%, while in the control only 28.6%. In the Cabernet Sauvignon variety, the variant with soaking the scion part in the "Humat+7" stimulant showed itself best, where 100% formation of callus was also observed, the bud burst in 26.7% of grafts, and the final yield of cuttings was 68.6% in 6 times more than control (11.4%). High rates of cuttings yield relative to the control variant indicate the effectiveness of the studied method.
Determination of the effect of the growth-stimulating preparation “Gumat +7” on the yield, survival rate and quality of grafted grape cuttings
Larisa Titova, Irina Avdeenko, Aleksandr Grigoriev, Kseniya Ostrovskaya; Determination of the effect of the growth-stimulating preparation “Gumat +7” on the yield, survival rate and quality of grafted grape cuttings. AIP Conf. Proc. 13 December 2021; 2442 (1): 020002. https://doi.org/10.1063/5.0076364
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