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Pak. J. Bot., 46(1): 353-356, 2014. |
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Updated: 15-01-14 | ||||
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REAL-TIME PCR (QPCR) ASSAY FOR RHIZOCTONIA SOLANI ANASTOMOSES GROUP AG2-2 IIIB
SAYED JAFFAR ABBAS1,2*, BASHIR AHMAD1 AND PETR KARLOVSKY2
Abstract: Rhizoctonia solani anastomosis group AG2-2 IIIB is a severe sugar beet and maize pathogen. It causes crown and root rot disease which leads to yield losses world-wide. The soil-borne pathogen is difficult to detect and quantify by conventional methods. We developed a real-time PCR (qPCR) assay for the quantification of genomic DNA of Rhizoctonia solani AG2-2 IIIB based on the ITS region of rDNA genes. The limit of quantification of the assay is 1.8 pg genomic DNA. The amplification efficiency was 96.4. The assay will be helpful in the diagnoses of Rhizoctonia solani infection of sugar beet and maize roots and in the quantification of R. solani AG2-2 IIIB inoculum in plant debris and soil.
1Center of Biotechnology and Microbiology, University of Peshawar, Peshawar, Pakistan 2Molecular Phytopathology and Mycotoxin Research Section, Georg-August-University Göttingen, Göttingen, Germany *Corresponding author: e-mail: sayedjaffarabbas@hotmail.com |
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