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| Content Provider | Springer Nature Link |
|---|---|
| Author | Misawa, Tomoo Kuninaga, Shiro |
| Copyright Year | 2010 |
| Abstract | Foot rot of mature tomato plants was found in four cities of Hokkaido, Japan, from 2004 to 2007. Six of eight isolates obtained from damaged tissues were identified as Rhizoctonia solani anastomosis group (AG)-3, and the remaining two isolates belonged to AG-2-1. We compared these isolates with nine reference isolates including the different subgroups in AG-3 (PT, TB and TM) and AG-2-Nt (pathogen of tobacco leaf spot) within AG-2-1 in terms of pathogenicity to tomato, tobacco and potato. All eight isolates caused foot rot on tomato. The six AG-3 isolates caused stem rot on young potato plants. While, all reference isolates of AG-3 PT causing stem rot of young potato plants incited foot rot on tomato. The two AG-2-1 isolates and an AG-2-Nt reference isolate caused severe leaf spot on tobacco leaves. The sequences of rDNA- ITS region and rDNA-IGS1 region of the AG-3 isolates showed high similarity to that of AG-3 PT isolates. Phylogenetic tree based on ITS and IGS1 regions of rDNA indicated that the AG-2-1 isolates from tomato formed a single clade with AG-2-Nt isolates and that they were separate from Japanese AG-2-1 isolates (culture type II). Pathogenicity tests and DNA sequence evaluation of the causal fungi revealed that the present isolates of AG-3 and AG-2-1 belonged to AG-3 PT and AG-2-Nt, respectively. This is the first report of tomato foot rot caused by R. solani in Japan. |
| Starting Page | 310 |
| Ending Page | 319 |
| Page Count | 10 |
| File Format | |
| ISSN | 13452630 |
| Journal | Journal of General Plant Pathology |
| Volume Number | 76 |
| Issue Number | 5 |
| e-ISSN | 1610739X |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2010-09-02 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Rhizoctonia solani AG-3 Rhizoctonia solani AG-2-1 Tomato ITS sequences IGS sequences Phylogenetic tree Microbiology Agriculture Plant Pathology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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