| Pak. J. Bot., 43(1): 51-57, 2011. | Back to Contents | ||||
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Updated: 26-02-11 | ||||
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FIRST REPORT OF B.N. RHIZOCTONIA FROM TOBACCO (NICOTIANA TABACUM L.) IN SAMSUN, TURKEY
CEM TOLGA GURKANLI* AND IBRAHIM OZKOC
Abstract: In this study, 14 fungal samples were isolated from tobacco (Nicotiana tabacum L.) cultivated in Samsun-Turkey, corresponded with binucleate Rhizoctonia (BNR) anamorphic criteria. Of these, 10 isolates were identified as BNR AG-A, one as BNR AG-Fa and 3 as BNR AG-Fb at the results of anastomosis tests and rDNA-ITS phylogenies. Five of 10 AG-A isolates were found as inducers for root rot of tobacco, whereas 5 AG-A isolates and AG-Fa, Fb isolates were found as slightly virulent or non-pathogenic. This study presents the first report for B.N. Rhizoctonia AG-A as a pathogen for tobacco.
Ondokuz Mayis University, Faculty of Arts and Science, Department of Biology, 55139 Kurupelit, Samsun, Turkey. Correspondence author E-mail: tolgag@omu.edu.tr |
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