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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1270/jsbbs.22003
|2 doi
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|a DE-627
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|a eng
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|a Alizadeh-Moghaddam, Giti
|e verfasserin
|4 aut
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|a Genomic markers analysis associated with resistance to Alternaria alternata (fr.) keissler-tomato pathotype, Solanum lycopersicum L
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|c 2022
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 28.03.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2022 by JAPANESE SOCIETY OF BREEDING.
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|a Alternaria alternata, the causal pathogen of early blight (EB) disease, is one of the most important diseases in tomato, and other solanaceae family. We analyzed 35 tomato genotypes for quantitative/qualitative traits and biomass growth parameters, as well as the extent and structure of genetic variation associated with EB resistance. Phenotypic comparisons displayed significant differences in leaf blade width (24.95%), stem thickness (30.28%), foliage density (18.88%), and plant size (18.89%), with significant positive correlations with EB resistance (0.18-0.75). Correlation analysis showed that mature fruit size, thickness of fruit pericarp, and leaf type were significantly and negatively correlated with EB resistance (up to -0.41). The susceptible tomato seedlings represented significant reductions in biomass parameters. According to ISSR analysis, the highest resolving power (≥0.79) and heterozygosity (≥0.24) values revealed the presence of high genetic variability among the tomato genotypes. Bayesian model-based STRUCTURE analysis assembled the genotypes into 4 (best ΔK = 4) genetic groups. Combined phenotypic and molecular markers proved to be significantly useful for genetic diversity assessment associated with EB disease resistance
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a ISSR markers
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| 650 |
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|a early blight
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| 650 |
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4 |
|a genetic structure
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| 650 |
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4 |
|a phenotypic profiles
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1 |
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|a Nasr-Esfahani, Mehdi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rezayatmand, Zahra
|e verfasserin
|4 aut
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| 700 |
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|a Khozaei, Mahdi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Breeding science
|d 1998
|g 72(2022), 4 vom: 13. Sept., Seite 285-296
|w (DE-627)NLM098238299
|x 1344-7610
|7 nnns
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| 773 |
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|g volume:72
|g year:2022
|g number:4
|g day:13
|g month:09
|g pages:285-296
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|u http://dx.doi.org/10.1270/jsbbs.22003
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