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Screening for resistance to early blight (Alternaria solani) in potato (Solanum tuberosum L.) using toxic metabolites produced by the fungus
Year:
1991
Source of publication :
Potato Research
Authors :
Nachmias, Abraham
;
.
Volume :
34
Co-Authors:
Lynch, D.R., Agriculture Canada, Research Station, Main, Lethbridge, T1J 4B1, Alberta, Canada
Wastie, R.L., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Stewart, H.E., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Mackay, G.R., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Lyon, G.D., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Nachmias, A., Gilat Regional Experiment Station, Mobile Post, Negev, 85280, Israel
Facilitators :
From page:
297
To page:
304
(
Total pages:
8
)
Abstract:
The phytotoxic components of the culture filtrate of the fungus Alternaria solani Sor, which causes early blight in potato, were used in this study to differentiate between resistant and susceptible genotypes selected to represent a range of reactions when screened in the field. Detached leaflet assays, using spores and toxic metabolites from the culture filtrate, were compared with field ratings and a whole-plant glasshouse test. Rank correlations between several detached leaflet tests were highly significant (P<0.01) but the correlations between these tests and the glasshouse and field tests were poor. The disease ratings obtained in the various tests were clustered into four groups and assigned to resistance classes. For many of the genotypes there was a good correspondence between resistance classes for all test methods. Divergent results between tests were associated with foliage maturity characteristics of the genotypes. © 1991 Kluwer Academic Publishers.
Note:
Related Files :
detached leaflet assay
plant maturity
resistant cultivars
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Related Content
More details
DOI :
10.1007/BF02360503
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29752
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:49
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Scientific Publication
Screening for resistance to early blight (Alternaria solani) in potato (Solanum tuberosum L.) using toxic metabolites produced by the fungus
34
Lynch, D.R., Agriculture Canada, Research Station, Main, Lethbridge, T1J 4B1, Alberta, Canada
Wastie, R.L., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Stewart, H.E., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Mackay, G.R., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Lyon, G.D., Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom
Nachmias, A., Gilat Regional Experiment Station, Mobile Post, Negev, 85280, Israel
Screening for resistance to early blight (Alternaria solani) in potato (Solanum tuberosum L.) using toxic metabolites produced by the fungus
The phytotoxic components of the culture filtrate of the fungus Alternaria solani Sor, which causes early blight in potato, were used in this study to differentiate between resistant and susceptible genotypes selected to represent a range of reactions when screened in the field. Detached leaflet assays, using spores and toxic metabolites from the culture filtrate, were compared with field ratings and a whole-plant glasshouse test. Rank correlations between several detached leaflet tests were highly significant (P<0.01) but the correlations between these tests and the glasshouse and field tests were poor. The disease ratings obtained in the various tests were clustered into four groups and assigned to resistance classes. For many of the genotypes there was a good correspondence between resistance classes for all test methods. Divergent results between tests were associated with foliage maturity characteristics of the genotypes. © 1991 Kluwer Academic Publishers.
Scientific Publication
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