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Genetics of Fe, Zn, β-carotene, GPC and yield traits in bread wheat (Triticum aestivum L.) using multi-locus and multi-traits GWAS

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Title Genetics of Fe, Zn, β-carotene, GPC and yield traits in bread wheat (Triticum aestivum L.) using multi-locus and multi-traits GWAS
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Creator Jitendra Kumar
Gautam Saripalli
Vijay Gahlaut
Neha Goel
Prabina Kumar Meher
Kaushlesh Kumar Mishra
Prafulla Chandra Mishra
Deepmala Sehgal
Prashant Vikram
Carolina Sansaloni
Sukhwinder Singh
Pradeep Kumar Sharma
Pushpendra Kumar Gupta
 
Subject genotypes
Phenotypic data
SNP markers
 
Description Not Available
The present study was conducted to study the genetic architecture of grain micronutrients (Zn, Fe and β-carotene contents), grain protein content and four yield traits in a spring wheat reference set comprising 246 genotypes. Phenotypic data on these traits recorded at two locations and the genotyping data for 17,937 SNP markers (obtained through outsourcing) were used for genome wide association study, which gave following results after Bonferroni correction using four methods: (1) single locus single trait analysis gave 136 marker-trait associations; (2) multi-locus mixed model gave 587 MTAs; (3) multi-trait mixed model gave 28 MTAs and (4) matrix-variate linear mixed model gave 33 MTAs. As many as 73 epistatic interactions were also detected. Keeping all the results in mind, nine most important MTAs were selected for biofortification. These markers were associated with three traits (GPC, GFeC and GYPP). These MTAs can be used in wheat improvement programs either using marker-assisted recurrent selection or pseudo-backcrossing method.
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Date 2022-08-08T11:46:40Z
2022-08-08T11:46:40Z
2018-11-03
 
Type Research Paper
 
Identifier Kumar, J., Saripalli, G., Gahlaut, V. et al. (2018). Genetics of Fe, Zn, β-carotene, GPC and yield traits in bread wheat (Triticum aestivum L.) using multi-locus and multi-traits GWAS. Euphytica 214, 219 . https://doi.org/10.1007/s10681-018-2284-2
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http://krishi.icar.gov.in/jspui/handle/123456789/73747
 
Language English
 
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Publisher Not Available