Person: Kumar, S.
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Kumar
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S.
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Kumar, S.
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0000-0002-0015-8559 8 results
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Now showing 1 - 8 of 8
- Genetic dissection of value-added quality traits and agronomic parameters through genome-wide association mapping in bread wheat (T. aestivum L.)(Frontiers Media, 2024) Vishwakarma, M.K.; Bhati, P.K.; Kumar, U.; Singh, R.P.; Kumar, S.; Velu, G.; Gurvinder Singh Mavi; Thiyagarajan, K.; Dhar, N.; Joshi, A.K.
Publication - Genomic selection: A tool for accelerating the efficiency of molecular breeding for development of climate-resilient crops(Frontiers, 2022) Neeraj Budhlakoti; Kushwaha, A.K.; Rai, A.; Chaturvedi, K.K.; Kumar, A.; Pradhan, A.K.; Kumar, U.; Rajeev Kumar; Juliana, P.; Mishra, D.C.; Kumar, S.
Publication - Validation of Novel spot blotch disease resistance alleles identified in unexplored wheat (Triticum aestivum L.) germplasm lines through KASP markers(BioMed Central, 2022) Kumar, S.; Pradhan, A.K.; Kumar, U.; Dhillon, G.S.; Kaur, S.; Neeraj Budhlakoti; Mishra, D.C.; Singh, A.K.; Singh, R.; Kumari, J.; Kumaran, V.V.; Mishra, V.K.; Bhati, P.; Das, S.; Chand, R.; Singh, K.; Kumar, S.
Publication - Indian wheat genomics initiative for harnessing the potential of wheat germplasm resources for breeding disease-resistant, nutrient-dense, and climate-resilient cultivars(Frontiers, 2022) Kumar, S.; Jacob, S.R.; Mir, R.; Kumaran, V.V.; Kulwal, P.L.; Chandra, T.; Kaur, S.; Kumar, U.; Kumar, S.; Sharma, S.; Singh, R.; Sai Prasad, S.V.; Mahendru-Singh, A.; Singh, A.K.; Kumari, J.; Mahender Singh Saharan; Bhardwaj, S.; Prasad, M.; Kalia, S.; Singh, K.
Publication - Genetic characterization for lesion mimic and other traits in relation to spot blotch resistance in spring wheat(Public Library of Science, 2020) Singh, S.; Mishra, V.K.; Kharwar, R.N.; Neeraj Budhlakoti; Ram Narayan Ahirwar; Dwijesh Chandra Mishra; Kumar, S.; Chand, R.; Kumar, U.; Kumar, S.; Joshi, A.K.
Publication - Genome-wide association study reveals genomic regions associated with ten agronomical traits in wheat under late-sown conditions(Frontiers, 2020) Kumar, S.; Kumari, J.; Bhusal, N.; Pradhan, A.K.; Neeraj Budhlakoti; Dwijesh Chandra Mishra; Chauhan, D.; Kumar, S.; Singh, A.K.; Reynolds, M.P.; Singh, G.P.; Singh, K.; Sareen, S.
Publication - Genetic gain on resistance to spot blotch of wheat by developing lines with near immunity(Hapres State Key Laboratory of Hybrid Rice, 2019) Kumar, U.; Kumar, S.; Prasad, R.C.; Roder, M.S.; Kumar, S.; Chand, R.; Mishra, V.K.; Joshi, A.K.
Publication - Genome-wide association mapping of spot blotch resistance in wheat association mapping initiative (WAMI) panel of spring wheat (Triticum aestivum L.)(Public Library of Science, 2018) Ram Narayan Ahirwar; Mishra, V.K.; Chand, R.; Neeraj Budhlakoti; Dwijesh Chandra Mishra; Kumar, S.; Singh, S.; Joshi, A.K.Spot blotch (SB) caused by Bipolaris sorokiniana, is one of the most important diseases of wheat in the eastern part of south Asia causing considerable yield loss to the wheat crop. There is an urgent need to identify genetic loci closely associated with resistance to this pathogen for developing resistant cultivars. Hence, genomic regions responsible for SB resistance were searched using a wheat association mapping initiative (WAMI) panel involving 287 spring wheat genotypes of different origin. Genome-wide association mapping (GWAM) was performed using single nucleotide polymorphism (SNP) markers from a custom 90 K wheat SNP array. A mixed linear model (MLM) was used for assessing the association of SNP markers with spot blotch resistance in three consecutive years. Three traits were measured: incubation period, lesion number and area under the disease progress curve (AUDPC). Significant SNP markers were found linked to five, six and four quantitative trait loci (QTLs) for incubation period, lesion number and AUDPC respectively. They were detected on 11 different chromosomes: 1A, 1B, 1D, 4A, 5A, 5B, 6A, 6B, 6D, 7A, 7B with marker R2 range of 0.083 to 0.11. The greatest number of significant SNP-markers was found for lesion number and AUDPC on chromosome 6B and 5B, respectively, representing a better coverage of B-genome by SNPs. On the other hand, the most significant and largest SNP markers for incubation period were detected on 6A and 4A chromosomes indicating that this trait is associated with the A-genome of wheat. Although, QTLs for spot blotch resistance have been reported in wheat on these same chromosomes, the association of incubation period and lesion number with SB resistance has not been reported in previous studies. The panel exhibits considerable variation for SB resistance and also provides a good scope of marker-assisted selection using the identified SNP markers linked to resistant QTLs.
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