| Issue |
BIO Web Conf.
Volume 179, 2025
International Scientific and Practical Conference “From Modernization to Rapid Development: Ensuring Competitiveness and Scientific Leadership of the Agro-Industrial Complex” (IDSISA 2025)
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|---|---|---|
| Article Number | 06002 | |
| Number of page(s) | 9 | |
| Section | Intelligent Technologies in Crop Production | |
| DOI | https://doi.org/10.1051/bioconf/202517906002 | |
| Published online | 09 June 2025 | |
Results of using bactericides in the control of phytoplasmosis Bois Noir (pathogen Candidatus Ph. solani) to preserve grape yield
1 All-Russian National Research Institute of Viticulture and Winemaking Magarach of the RAS, 31 Kirova str., 298600, Yalta, Republic of Crimea, Russia
2 SEO LLC Scientific and Biological Center Pharmbiomed, 14 Solntsevsky Prospect, 119620, Moscow, Russia
* Corresponding author: vovkayalta@mail.ru
For finding effective means of controlling phytoplasmosis Bois Noir (BN) in 2020-2022, the effect of bactericides on the intensity of Candidatus Ph. Solani infection and quantitative yield indicators were studied in the vineyards of 2 soil-climatic Crimean regions. Behind the moderate and epiphytotic phytoplasmosis development (15-31% and 56- 76% symptomatic plants, respectively), when using Pharmayod, GS (0.06- 0.1%), Phytolavin, SC (0.2%), Phytoplasmin, SC (0.2-0.3%) preparations, a tendency to a decrease in the intensity of symptoms to 24% and 39% in the 2nd and 3d research years was established, followed by a decrease in the number of plants, completely affected by BN, by 5.3-11 times. A steady tendency to an increase in the “yield per bush” indicator was shown: on symptomatic plants within 11-39%, on asymptomatic - within 12-25%; and to a larger bunch weight: within 12-28% for plants with BN symptoms. The obtained results indicate good prospects for using the studied bactericides.
© The Authors, published by EDP Sciences, 2025
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