Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.)
The goal of this work was to find marker-trait association to assess ability of rice genotypes to withstand salinity, which is an important consideration in abiotic stress breeding. In order to breed rice genotypes with tolerance to salinity stress, it is necessary to identify highly tolerant germpl...
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Indian Society of Plant Breeders
2024-12-01
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| Series: | Electronic Journal of Plant Breeding |
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| Online Access: | https://ejplantbreeding.org/index.php/EJPB/article/view/5259 |
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| author | P. Hima Bindu1*, G. Shiva Prasad2, R.M. Sundaram3, K. Sumalini1 and C.H. Damodar Raju4 |
| author_facet | P. Hima Bindu1*, G. Shiva Prasad2, R.M. Sundaram3, K. Sumalini1 and C.H. Damodar Raju4 |
| author_sort | P. Hima Bindu1*, G. Shiva Prasad2, R.M. Sundaram3, K. Sumalini1 and C.H. Damodar Raju4 |
| collection | DOAJ |
| description | The goal of this work was to find marker-trait association to assess ability of rice genotypes to withstand salinity, which is an important consideration in abiotic stress breeding. In order to breed rice genotypes with tolerance to salinity stress, it is necessary to identify highly tolerant germplasm sources. Eighty-six rice genotypes were evaluated under field conditions. In order to determine their relationship with salinity tolerance, 16 microsatellite markers were used concurrently. Microsoft Excel’s regression-based Single Marker Analysis (SMA) was used to estimate this association. Nine of the 16 polymorphic markers RM3412, RM10843, RM562, RM10793, RM 10748, RM8094, RM10694, RM1287 and RM493 showed statistically significant marker-trait relationships, suggesting the presence of important putative genetic loci linked to chromosome 1 with ability to withstand salinity. The range of 1.0% to 24.9% for the percentage of total variance of phenotype explained by the relevant markers indicates the dependability of these genetic markers for enhancing breeding for salinity tolerance. The existence of these markers in the tolerant germplasm lines from the findings of the research could be utilized to salinity tolerance cultivars through marker-assisted breeding programs because they are associated with the Saltol gene/QTL, respectively.
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| format | Article |
| id | doaj-art-977fdf28fe0f457ca640199b8daa21aa |
| institution | Kabale University |
| issn | 0975-928X |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Indian Society of Plant Breeders |
| record_format | Article |
| series | Electronic Journal of Plant Breeding |
| spelling | doaj-art-977fdf28fe0f457ca640199b8daa21aa2025-01-20T10:58:18ZengIndian Society of Plant BreedersElectronic Journal of Plant Breeding0975-928X2024-12-0115485386010.37992/2024.1504.102Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) P. Hima Bindu1*, G. Shiva Prasad2, R.M. Sundaram3, K. Sumalini1 and C.H. Damodar Raju401Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad - 500030 2Agricultural Research Station, Kampasagar, Nalgonda, India - 508001 3ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India - 500030 4Rice Breeding, Regional Agricultural Research Station, Warangal, India - 506007 *E-Mail: himabindu4agri@gmail.comThe goal of this work was to find marker-trait association to assess ability of rice genotypes to withstand salinity, which is an important consideration in abiotic stress breeding. In order to breed rice genotypes with tolerance to salinity stress, it is necessary to identify highly tolerant germplasm sources. Eighty-six rice genotypes were evaluated under field conditions. In order to determine their relationship with salinity tolerance, 16 microsatellite markers were used concurrently. Microsoft Excel’s regression-based Single Marker Analysis (SMA) was used to estimate this association. Nine of the 16 polymorphic markers RM3412, RM10843, RM562, RM10793, RM 10748, RM8094, RM10694, RM1287 and RM493 showed statistically significant marker-trait relationships, suggesting the presence of important putative genetic loci linked to chromosome 1 with ability to withstand salinity. The range of 1.0% to 24.9% for the percentage of total variance of phenotype explained by the relevant markers indicates the dependability of these genetic markers for enhancing breeding for salinity tolerance. The existence of these markers in the tolerant germplasm lines from the findings of the research could be utilized to salinity tolerance cultivars through marker-assisted breeding programs because they are associated with the Saltol gene/QTL, respectively. https://ejplantbreeding.org/index.php/EJPB/article/view/5259single marker analysisscreeningsalinity tolerancemarker trait association |
| spellingShingle | P. Hima Bindu1*, G. Shiva Prasad2, R.M. Sundaram3, K. Sumalini1 and C.H. Damodar Raju4 Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) Electronic Journal of Plant Breeding single marker analysis screening salinity tolerance marker trait association |
| title | Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) |
| title_full | Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) |
| title_fullStr | Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) |
| title_full_unstemmed | Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) |
| title_short | Screening and marker trait association for salinity tolerance in rice (Oryza sativa L.) |
| title_sort | screening and marker trait association for salinity tolerance in rice oryza sativa l |
| topic | single marker analysis screening salinity tolerance marker trait association |
| url | https://ejplantbreeding.org/index.php/EJPB/article/view/5259 |
| work_keys_str_mv | AT phimabindu1gshivaprasad2rmsundaram3ksumalini1andchdamodarraju4 screeningandmarkertraitassociationforsalinitytoleranceinriceoryzasatival |