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Vegetative compatibility groups in colletotrichum coccodes subpopulations from Australia and genetic links with subpopulations from Europe/Israel and North America
Year:
2010
Source of publication :
Phytopathology
Authors :
Ben-Deniel, B.
;
.
Hazanovsky, Marina
;
.
Tsror, Leah
;
.
Volume :
100
Co-Authors:
Ben-Deniel, B., Department of Plant Pathology, Agricultural Research Organization, Gilat Research Center, M. P. Negev 85280, Israel, Department of Life Sciences, Ben-Gurion University Israe, Be'er-Sheva, Israel
Bar-Zvi, D., Department of Life Sciences, Ben-Gurion University Israe, Be'er-Sheva, Israel
Johnson, D., Department of Plant Pathology, Washington State University, Pullman 99164-6430, United States
Harding, R., Department of Plant Pathology, South Australian Research and Development Institute, GPO Box 397, Adelaide, SA 5001, Australia
Hazanovsky, M., Department of Plant Pathology, Agricultural Research Organization, Gilat Research Center, M. P. Negev 85280, Israel
Tsror, L., Department of Plant Pathology, Agricultural Research Organization, Gilat Research Center, M. P. Negev 85280, Israel
Facilitators :
From page:
271
To page:
278
(
Total pages:
8
)
Abstract:
Vegetative compatibility of 94 isolates of Colletotrichum coccodes from Australia originating from potato, soil, and a weed (Solanum esuriale) was tested using nitrate-nonutilizing (nit) mutants. Isolates distributed to six vegetative compatibility groups (VCGs), five of them multimember (24.5, 23.4, 13.8, 12.8, and 7.5% distribution) and only one composed of two isolates (2.1%); 15.9% of them were not assigned to any of the VCGs. Aggressiveness of 51 isolates representing all six VCGs was tested by mature green tomato bioassay: isolates assigned to AUS-VCG-4 were the most aggressive and those in AUSVCG- 3 the least (P < 0.05). Isolates from warmer climates and lower latitudes were more aggressive (P < 0.05). In ad ition, we report for the first time complementations between isolates from Australia (AUS); North America (NA); and Israel, The Netherlands, Scotland, France, Germany (EU/I). Isolates assigned to AUS-VCG-4 anastomosed with isolates assigned to EU/I-VCG-7 and NA-VCG-5 (which also anastomosed with each other). Isolates assigned to EU/I-VCG-6 anastomosed with isolates assigned to NA-VCG-2 and isolates assigned to AUS-VCG-2 anastomosed with isolates assigned to EU/I-VCG-2. The linkage between subpopulations could result from the limited exchange of seed tubers among continents, or could be due to, for instance, gene flow, selection, or a limited number of polymorphic vegetative incompatibility genes. © 2010 The American Phytopathological Society.
Note:
Related Files :
Australia
Colletotrichum
Genetics
Israel
Microbiology
mutation
Solanum
Solanum tuberosum
Show More
Related Content
More details
DOI :
10.1094/PHYTO-100-3-0271
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29839
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:49
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Scientific Publication
Vegetative compatibility groups in colletotrichum coccodes subpopulations from Australia and genetic links with subpopulations from Europe/Israel and North America
100
Ben-Deniel, B., Department of Plant Pathology, Agricultural Research Organization, Gilat Research Center, M. P. Negev 85280, Israel, Department of Life Sciences, Ben-Gurion University Israe, Be'er-Sheva, Israel
Bar-Zvi, D., Department of Life Sciences, Ben-Gurion University Israe, Be'er-Sheva, Israel
Johnson, D., Department of Plant Pathology, Washington State University, Pullman 99164-6430, United States
Harding, R., Department of Plant Pathology, South Australian Research and Development Institute, GPO Box 397, Adelaide, SA 5001, Australia
Hazanovsky, M., Department of Plant Pathology, Agricultural Research Organization, Gilat Research Center, M. P. Negev 85280, Israel
Tsror, L., Department of Plant Pathology, Agricultural Research Organization, Gilat Research Center, M. P. Negev 85280, Israel
Vegetative compatibility groups in colletotrichum coccodes subpopulations from Australia and genetic links with subpopulations from Europe/Israel and North America
Vegetative compatibility of 94 isolates of Colletotrichum coccodes from Australia originating from potato, soil, and a weed (Solanum esuriale) was tested using nitrate-nonutilizing (nit) mutants. Isolates distributed to six vegetative compatibility groups (VCGs), five of them multimember (24.5, 23.4, 13.8, 12.8, and 7.5% distribution) and only one composed of two isolates (2.1%); 15.9% of them were not assigned to any of the VCGs. Aggressiveness of 51 isolates representing all six VCGs was tested by mature green tomato bioassay: isolates assigned to AUS-VCG-4 were the most aggressive and those in AUSVCG- 3 the least (P < 0.05). Isolates from warmer climates and lower latitudes were more aggressive (P < 0.05). In ad ition, we report for the first time complementations between isolates from Australia (AUS); North America (NA); and Israel, The Netherlands, Scotland, France, Germany (EU/I). Isolates assigned to AUS-VCG-4 anastomosed with isolates assigned to EU/I-VCG-7 and NA-VCG-5 (which also anastomosed with each other). Isolates assigned to EU/I-VCG-6 anastomosed with isolates assigned to NA-VCG-2 and isolates assigned to AUS-VCG-2 anastomosed with isolates assigned to EU/I-VCG-2. The linkage between subpopulations could result from the limited exchange of seed tubers among continents, or could be due to, for instance, gene flow, selection, or a limited number of polymorphic vegetative incompatibility genes. © 2010 The American Phytopathological Society.
Scientific Publication
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