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Variation in the response of melon genotypes to Fusarium oxysporum f.sp. melonis race 1 determined by inoculation tests and molecular markers
Year:
2003
Source of publication :
Plant Pathology
Authors :
Burger, Joseph
;
.
Cohen, Roni
;
.
Katzir, Nurit
;
.
Portnoy, Vitaly H.
;
.
Sa'ar, Uzi
;
.
Shriber, Shoshana
;
.
Tzuri, Galil
;
.
Volume :
52
Co-Authors:
Burger, Y., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Katzir, N., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Tzuri, G., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Portnoy, V., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Saar, U., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Shriber, S., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Perl-Treves, R., Faculty of Life Sciences, Bar-llan University, Ramat Gan 52900, Israel
Cohen, R., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Facilitators :
From page:
204
To page:
211
(
Total pages:
8
)
Abstract:
Screening of genotypes of melon (Cucumis melo) for resistance to wilt caused by Fusarium oxysporum f.sp. melonis is often characterized by wide variability in their responses to inoculation, even under carefully controlled conditions. The variability at the seedling stage of 17 genotypes susceptible to race i was examined in growth-chamber experiments. Disease incidence varied from 0 to 100% in a genotype-dependent manner. Using four combinations of light (60 and 90 μE m-2 s-1) and temperatures of (27 and 31°C), only light intensity showed a statistically significant effect. Marker-assisted selection for fusarium resistance breeding using cleaved amplified polymorphic sequence (CAPS) and sequence-characterized amplified region (SCAR) markers were compared using a single set of genotypes that included 24 melon accessions and breeding lines whose genotype regarding the Fom-2 gene was well characterized. The practical value of the markers for discriminating a range of genotypes and clarifying the scoring of phenotypes was also tested using a segregating breeding population which showed codominant SCAR markers to be useful in marker-assisted selection.
Note:
Related Files :
Cucumis melo
disease resistance
fungal disease
fungi
Fusarium
Fusarium wilt
genotype
Melo
wilt
Show More
Related Content
More details
DOI :
10.1046/j.1365-3059.2003.00806.x
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29090
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:44
Scientific Publication
Variation in the response of melon genotypes to Fusarium oxysporum f.sp. melonis race 1 determined by inoculation tests and molecular markers
52
Burger, Y., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Katzir, N., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Tzuri, G., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Portnoy, V., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Saar, U., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Shriber, S., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Perl-Treves, R., Faculty of Life Sciences, Bar-llan University, Ramat Gan 52900, Israel
Cohen, R., Newe Ya'ar Research Center, ARO, PO Box 1021, Ramat Yishay 30095, Israel
Variation in the response of melon genotypes to Fusarium oxysporum f.sp. melonis race 1 determined by inoculation tests and molecular markers
Screening of genotypes of melon (Cucumis melo) for resistance to wilt caused by Fusarium oxysporum f.sp. melonis is often characterized by wide variability in their responses to inoculation, even under carefully controlled conditions. The variability at the seedling stage of 17 genotypes susceptible to race i was examined in growth-chamber experiments. Disease incidence varied from 0 to 100% in a genotype-dependent manner. Using four combinations of light (60 and 90 μE m-2 s-1) and temperatures of (27 and 31°C), only light intensity showed a statistically significant effect. Marker-assisted selection for fusarium resistance breeding using cleaved amplified polymorphic sequence (CAPS) and sequence-characterized amplified region (SCAR) markers were compared using a single set of genotypes that included 24 melon accessions and breeding lines whose genotype regarding the Fom-2 gene was well characterized. The practical value of the markers for discriminating a range of genotypes and clarifying the scoring of phenotypes was also tested using a segregating breeding population which showed codominant SCAR markers to be useful in marker-assisted selection.
Scientific Publication
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