Anastomosis groups and sensitivity to fungicides of Rhizoctonia solani strains isolated from potato in Russia

A survey of Rhizoctonia solani isolates from potato tubers and stems grown in European and Far Eastern regions of Russia in 2012–2020 was conducted. Ten isolates from German and two from Australian seed potato tubers were analyzed, too. Species-specific region ITS1/2 of rDNA was sequenced and analyz...

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Bibliographic Details
Published in:Journal of plant diseases and protection (2006) 2021-10, Vol.128 (5), p.1253-1261
Main Authors: Yarmeeva, Maria M., Kokaeva, Lyudmila Y., Chudinova, Elena M., Kah, Masamba O., Kurchaev, Michael L., Zeyruk, Vladimir N., Belov, Grigoriy L., Bairambekov, Shamil B., Elansky, Sergey N.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Life Sciences
Original Article
Plant Pathology
Plant Physiology
Plant Sciences
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Summary:A survey of Rhizoctonia solani isolates from potato tubers and stems grown in European and Far Eastern regions of Russia in 2012–2020 was conducted. Ten isolates from German and two from Australian seed potato tubers were analyzed, too. Species-specific region ITS1/2 of rDNA was sequenced and analyzed for all 53 isolates. Out of those, 51 isolates were classified as multinucleate and two as binucleate Rhizoctonia . Among the tested multinucleate isolates, 49 belong to AG 3PT, the most frequent group on potato, and two isolates to AG 5 group. Binucleate Rhizoctonia were determined as AG K. All AG 5 and AG K isolates were isolated from Russian potato tubers (AG 5) and stems (AG K). A study of fungicide resistance showed that all tested isolates were susceptible to thiabendazole (EC 50  
ISSN:1861-3829
1861-3837
DOI:10.1007/s41348-021-00490-7