Comparison of sequences for the internal transcribed spacer region in <Emphasis Type="Italic">Rhizoctonia solani</Emphasis> AG 1-ID and other subgroups of AG 1 |
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| Authors: | Takeshi?Toda Joseph M?Mghalu Achmadi?Priyatomojo Email author" target="_blank">Mitsuro?HyakumachiEmail author |
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| Institution: | (1) The United Graduate School of Agricultural Science, Gifu University, Gifu, Japan;(2) Laboratory of Plant Disease Science, Faculty of Agriculture, Gifu University, 1-1 Yanagido, Gifu, 501-1193, Japan;(3) Department of Entomology and Plant Pathology, Gadjah Mada University, Yogyakarta, Indonesia |
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| Abstract: | The rDNA-ITS sequence of Rhizoctonia solani AG 1-ID was determined and compared to those of R. solani AG 1-IA, AG 1-IB, and AG 1-IC. The similarity of the isolates from each AG 1 subgroup was almost identical (99%–100%), whereas it was lower between subgroups (91%–95%) than within subgroups. Phylogenetic analysis indicated that isolates of AG 1-ID and other subgroups were separately clustered. Isolates of R. solani AG 1 were clearly separated from R. solani AG 2-1, AG 4, and binucleate Rhizoctonia AG-Bb and AG-K. These results showed that analysis of the rDNA-ITS sequence is an optimal criterion for differentiating R. solani AG 1-ID from other subgroups of R. solani AG 1. |
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| Keywords: | Rhizoctonia solani AG 1-ID rDNA-ITS sequence Phylogenetic analysis |
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