First report on Cephalotrichum Asperulum As A Potato Pathogen In Russia
https://doi.org/10.26897/0021-342X-2023-2-95-108
Abstract
During the phytosanitary inspection of a lot of stored potatoes of cv. Zhukovskiy ranniy in the Orel region of Russia, tubers showed signs of lesions in the form of local darkening of the flesh without apparent softening and fungal structures on the surface (coremia). A pure culture of the pathogen was isolated and the morphological characteristics of the conidial sporulation structures in the extracted isolate were described; the average sizes of vegetative mycelium, conidia, conidiophores and coremia were given. Pathogenicity testing of the isolate on leaves and tuber discs showed symptoms in the form of localised chlorosis and necrosis. Subsequent identification of the isolate by PCR and sequencing showed that the isolate analysed was most closely related to the species Cephalotrichum asperulum of the genus Cephalotrichum. The resulting sequence was deposited in GenBank (accession number ON364353). Although these fungi are described in the literature as endophytic, this study emphasises their parasitic effect on the potato plant with certain semeiologies. This is probably the first report of C. asperulum causing local necrosis of potato leaves and tubers during storage in Russia.
About the Authors
I. V. Tuchkov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Ivan V. Tuchkov, BSc student, Department of Plant Protection
49, Timiryazevskaya Str., Moscow, 127434
R. I. Tarakanov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Rashit I. Tarakanov, post-graduate student, Department of Plant Protection
49, Timiryazevskaya Str., Moscow, 127434
O. O. Beloshapkina
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Olga O. Beloshapkina, DSc (Ag), Professor, Department of Plant Protection
49, Timiryazevskaya Str., Moscow, 127434
F. S.-U. Dzhalilov
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Fevzi S.-U. Dzhalilov, DSc (Bio), Professor, Head of Department of Plant Protection
49, Timiryazevskaya Str., Moscow, 127434
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Review
For citations:
Tuchkov I.V., Tarakanov R.I., Beloshapkina O.O., Dzhalilov F.S. First report on Cephalotrichum Asperulum As A Potato Pathogen In Russia. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2023;(2):95-108. (In Russ.) https://doi.org/10.26897/0021-342X-2023-2-95-108
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