First report of Rhizoctonia solani AG 4 HG-II attacking Gazania rigens plants in Brazil

D. D. Rosa; C. T. Ohto; M. A. Basseto; E. L. Furtado; N. L. de Souza

doi:10.1071/DN08001

RESEARCH ARTICLE

Next Contents Vol 3(1)

First report of Rhizoctonia solani AG 4 HG-II attacking Gazania rigens plants in Brazil

D. D. Rosa ^A ^B , C. T. Ohto ^A , M. A. Basseto ^A , E. L. Furtado ^A and N. L. de Souza ^A

+ Author Affiliations

- Author Affiliations

^A São Paulo State University, College of Agronomic Science, Department of Plant Production – Plant Health Protection Sector, PO Box 237, Botucatu, SP 18610-307, Brazil.

^B Corresponding author. Email: ddrosa@fca.unesp.br

Australasian Plant Disease Notes 3(1) 1-2 https://doi.org/10.1071/DN08001
Submitted: 17 September 2007 Accepted: 10 January 2008 Published: 30 January 2008

Abstract

Leaf yellowing, wilting, petiole rot, root rot and death of plants were the symptoms observed in Gazania plants in gardens in São Paulo State, Brazil. Rhizoctonia solani AG-4 HGII was identified as the causal agent. This is the first record of Rhizoctonia solani AG 4 HG-II on Gazania rigens in Brazil.

Acknowledgements

The authors wish to thank Dr J.B. Sinclair (University of Illinois, Urbana-Champaign, USA). Dr A. Ogoshi (Hokkaido University, Sapporo, Japan). Dr L. J. Herr (Ohio State University, Wooster, USA). Dr S. Naito (Tohoku National Agricultural Experiment Station, Morioka, Japan) and Dr M.A. Cubeta (Duke University, North Carolina, USA) for supplying the tester strains of R. solani.

References

Carling DE, Leiner RH (1990) Virulence of isolates of Rhizoctonia solani AG-3 collected from potato plant organs and soil. Plant Disease 74, 901–903.
| Crossref | GoogleScholarGoogle Scholar |

Fenille RC, Ciampi MB, Souza NL, Nakatani AK, Kuramae EE (2005) Binucleate Rhizoctonia sp. AG G causing root rot in yacon (Smallanthus sonchifolius) in Brazil. Plant Pathology 54, 325–330.
| Crossref | GoogleScholarGoogle Scholar |

Kulik MM, Dery PD (1995) Use of DAPI for anastomosis group typing of strains of the fungus Rhizoctonia solani. Biotechnique and Histochemistry 70, 95–98.
| Crossref | GoogleScholarGoogle Scholar |

Macnish GC, Carling DE, Brainard KA (1993) Characterization of Rhizoctonia solani AG-8 from bare patches by pectic isozyme (zymogram) and anastomosis techniques. Phytopathology 83, 922–927.
| Crossref | GoogleScholarGoogle Scholar |

Sneh B , Burpee L , Ogoshi A (1991) ‘Identification of Rhizoctonia species.’ (APS Press: St Paul, MN) 133 pp.

Yamamoto DT, Uchida JY (1982) Rapid nuclear staining of Rhizoctonia solani and related fungi with acridine orange and with safranin O. Mycologia 74, 145–149.
| Crossref | GoogleScholarGoogle Scholar |