Genetic relationships among Verticillium dahliae isolates from cotton in Greece based on vegetative compatibility

被引：22

作者：

Elena K. ^{[1
]}

机构：

[1] Benaki Phytopathological Institute, GR 145 61 Kifissia, Athens

来源：

European Journal of Plant Pathology | 1999年 / 105卷 / 6期

关键词：

Chlorate-resistant; Complementation; Heterokaryon; Mutant; Vegetative compatibility;

D O I：

10.1023/A:1008771112068

中图分类号：

学科分类号：

摘要：

Vegetative compatibility groups of a collection of 71 Greek Verticillium dahliae isolates obtained from cotton plants were tested. Nit mutants were generated from single spore wild strains by selecting chlorate-resistant sectors on minimal medium amended with potassium chlorate, 25 g/l. These mutants were tested against tester strains from the USA and Greece of the previously described VCGs 1, 2, 3 and 4. Forty-six of 71 isolates belonged to VCG2, because they were able to anastomose with the testers of this group, two isolates belonged to VCG4 and one to VCG1, while the 22 remaining strains could not be assigned to any of the identified VCGs. Our data demonstrated that wilt of cotton is caused only by V. dahliae in Greece, and VCG2 is the most commonly detected VCG. Some strains were found to be more virulent to cotton than other strains from the same VCG. This is the first report of VCG1 of Verticillium in Greece.

引用

页码：609 / 616

页数：7

共 17 条

[1]

Chen W., Vegetative compatibility groups of Verticillium dahliae from ornamental woody plants, Phytopathology, 84, pp. 214-219, (1994)

[2]

Correll J.C., Klittich C.G.R., Leslie J.F., Nitrate nonutilizing mutants of Fusarium oxysporum and their use in vegetative compatibility tests, Phytopathology, 77, pp. 1640-1646, (1987)

[3]

Daayf F., Nicole M., Geiger J., Differentiation of Verticillium dahliae populations on the basis of vegetative compatibility and pathogenicity on cotton, European Journal of Plant Pathology, 101, pp. 69-79, (1995)

[4]

Elena K., Genetic relatedness of Verticillium dahliae isolates from cotton, tomato and watermelon plants, Abstracts of 7th International Verticillium Symposium, (1997)

[5]

Elena K., Paplomatas E.J., Vegetative compatibility groups of Verticillium dahliae from different hosts in Greece, Plant Pathology, 47, pp. 635-640, (1998)

[6]

Hawksworth D.L., Talboys P.W., Verticillium Dahliae C.M.I, Descriptions of Pathogenic Fungi and Bacteria No. 256, (1970)

[7]

Joaquim T.R., Rowe R.C., Reassessment of vegetative compatibility relationships among strains of Verticillium dahliae using nitrate nonutilizing mutants, Phytopathology, 80, pp. 1160-1166, (1990)

[8]

Joaquim T.R., Rowe R.C., Vegetative compatibility and virulence of strains of Verticillium dahliae from soil and potato plants, Phytopathology, 81, pp. 552-558, (1991)

[9]

Korolev N., Katan T., Improved medium for selecting nitrate-nonutilizing (nit) mutants of Verticillium dahliae, Phytopathology, 87, pp. 1067-1070, (1997)

[10]

Puhalla J.E., Classification of strains of Fusarium oxysporum on the basis of vegetative compatibility, Canadian Journal of Botany, 63, pp. 179-183, (1985)

← 1 2 →