Yanchenko A.V., Fedosov A.Yu., Men’shikh A.M., Azopkov M.I., Golubovich V.S.
Hot water seed thermotherapy is a viable alternative to chemical control of pathogens. The challenge for thermotherapy is to find the best combination of time and temperature that maximizes the reduction in pathogen survival while minimizing damage to the seeds. The main assumption justifying a thermotherapeutic approach to pathogen control is that the target pathogen is more sensitive to high temperature stress than seeds. Target pathogens are mainly fungi, viruses and bacteria. The aim of the study is to review the hot water thermotherapy for the release of vegetable seeds from phytopathogens. This article analyzes the available information on the effect of heat treatment of seeds on the growth, morbidity and productivity of vegetable crops. The review includes articles from various databases, such as Google Scholar, PubMed, Science Direct, SciFinder, Web of Science, RSCI, etc., and uses online sources (Research Gate, National Center for Biotechnology Information (NCBI), Springer Nature Open Access, Wiley Online Library, etc.). The tested thermotherapy for the release of vegetable seeds from phytopathogens is generalized. Satisfactory control was obtained for several bacterial diseases in vegetable crops, mainly caused by the genera Clavibacter, Xanthomonas and Pseudomonas. However, thermotherapy is more difficult to use on large legume seeds such as peas, beans or soybeans, because a significant reduction in germination is often achieved before the bacteria are completely destroyed. Hot water thermotherapy is effective against fungal pathogens Alternaria, Phoma, Septoria, Stemphylium, Verticillium, Cladosporium, transmitted through seeds. The high efficiency of treatment of vegetable seeds with hot water against tobacco mosaic virus, cucumber mosaic virus, tomato mosaic virus, tomato double streak, lettuce mosaic virus and pepper mottling virus is shown to be highly effective. Heat treatment of seeds should be carried out in strict accordance with the time and temperature regulations, and it is best carried out using thermostatically controlled water baths.
Key words: vegetable crops, seeds, pre-sowing preparation, phytopathogens
Yanchenko A.V., Cand. Sci. (Agr.), leading research fellow, department of Technology and Innovation. E-mail: firstname.lastname@example.org
Fedosov A.Yu., junior research fellow, department of Technology and Innovation. E-mail: email@example.com
Men'shikh A.M., Cand. Sci. (Agr.), leading research fellow, department of Technology and Innovation. E-mail: firstname.lastname@example.org
Azopkov M.I., Cand. Sci. (Agr.), leading research fellow, department of Technology and Innovation. E-mail: email@example.com
Golubovich V.S., Cand. Sci. (Agr.), senior research fellow, department of Technology and Innovation. E-mail: firstname.lastname@example.org
All-Russian Research Institute of Vegetable Growing – branch of Federal Scientific Vegetable Centre (ARRIVG – branch of FSBSI FSVC)
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For citing: Treatment of vegetable seeds with hot water for disease control. A.V. Yanchenko, A.Yu. Fedosov, A.M. Men’shikh, M.I. Azopkov, V.S. Golubovich. Potato and vegetables. 2021. No7. Pp. 21-25. https://doi.org/10.25630/PAV.2021.37.39.003 (In Russ.).