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| Herman, R.; Zvirin, Z.; Kovalski, I.; Freeman, S.; Denisov, Y.; Zuri, G.; Katzir, N.; Perl-Treves, R.. |
| An Israeli breeding line, BIZ, resistant to all four races of Fusarium oxysporum f.sp. melonis (FOM), has been characterized regarding its response to FOM race 1.2. The infection process of a FOM 1.2 strain that expresses the GFP reporter protein was monitored, suggesting the timing and sites in which fungal progression differs between a resistant and a susceptible genotype. A mapping population derived from the cross PI 414723 and BIZ was used to construct a linkage map with ~90 traits and markers, and QTL analysis of FOM1.2 resistance was initiated. Other traits such as flesh color and rind netting were mapped as well. A major recessive QTL for FOM1.2 resistance was located in linkage group 2, near a major locus controlling net development. |
| Tipo: Conference Paper |
Palavras-chave: Linkage map; Molecular marker; Fusarium oxysporum f.sp. melonis; Cucumis melo; QTL analysis; Disease resistance; Fruit net. |
| Ano: 2008 |
URL: http://hdl.handle.net/2174/205 |
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| Fukino, N.; Sugiyama, M.; Ohara, T.; Sainoki, H.; Kubo, N.; Hirai, M.; Matsumoto, S.; Sakata, Y.. |
| Labor-saving techniques for pruning lateral branches are desirable in Japanese melon production. A short-lateral-branching line, Nou4 was developed from a weed-type ‘LB-1’ (Cucumis melo var. agrestis). In this study, quantitative trait loci(QTL) analysis for short lateral branching was conducted with a population of 94 F2 derived from a cross between Nou4 and normal-branching cultivar ‘Earl’s Favourite (Harukei 3)’. A total of 114 markers including 94 SSRs, 2 CAPS, and 18 AFLPs were employed to construct a linkage map with 13 linkage groups. Two QTLs controlling short lateral branching were identified on LG VII and LG XI. The QTL on LG VII explained 14.8 % of the phenotypic variance with a LOD score of 3.2. The QTL on LG XI explained 42.2 % of the... |
| Tipo: Poster |
Palavras-chave: Melon; Lateral shoot; Labor-saving; Genetic linkage map; QTL analysis; Phenotypic variance; Cucumis melo; QTL. |
| Ano: 2008 |
URL: http://hdl.handle.net/2174/278 |
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| Katzir, N.; Harel-Bega, R.; Protnoy, V.; Tzuri, G.; Koren, E.; Lev, S.; Bar, E.; Tadmor, Y.; Burger, Y.; Lewinsohn, E.; Fei, Z.; Giovannoni, J.J.; Schaffer, A.A.. |
| Genomic resources, including large-scale sequencing, whole genome transcriptome analyses, and fine-scale genetic mapping, enable new insights into entire networks determining fruit quality. Molecular biology was introduced into melon fruit quality studies almost 15 years ago beginning with several breakthroughs: (1) the cloning and knockout of a gene involved in the regulation of fruit ripening, (2) the isolation and characterization of additional genes associated with fruit ripening and quality, and (3) the first genetic map that included molecular markers. Subsequent advances in molecular techniques led to the rapid development of genomic and metabolomic resources for melon and other cucurbits. The impact of this progress on the application to fruit... |
| Tipo: Conference Paper |
Palavras-chave: Fruit quality; Melon; Cucumis melo; Genomic; QTL analysis; Genome sequence; Climacteric ripening; Expressed sequence tag. |
| Ano: 2008 |
URL: http://hdl.handle.net/2174/257 |
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