ArticlePhysiology and molecular biology of plants : an international journal of functional plant biology2016
Field level evaluation of rice introgression lines for heat tolerance and validation of markers linked to spikelet fertility.
Article in Physiology and molecular biology of plants : an international journal of functional plant biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Utilization of doubled haploid breeding approach in introgression of QTL/gene(s) for parental line improvement of hybrid rice.Journal of applied genetics · 2025Article
- Micrometeorological monitoring reveals that canopy temperature is a reliable trait for the screening of heat tolerance in rice.Frontiers in plant science · 2024Article
- Genetic mapping identified three hotspot genomic regions and candidate genes controlling heat tolerance-related traits in groundnut.Frontiers in plant science · 2023Article
- Management and Utilization of Plant Genetic Resources for a Sustainable Agriculture.Plants (Basel, Switzerland) · 2022Review
- Article
- Introgression Lines: Valuable Resources for Functional Genomics Research and Breeding in Rice (Frontiers in plant science · 2022Review
- Major QTLs and Potential Candidate Genes for Heat Stress Tolerance Identified in Chickpea (Frontiers in plant science · 2021Article
- Mechanisms and Adaptation Strategies to Improve Heat Tolerance in Rice. A Review.Plants (Basel, Switzerland) · 2019Review
- Mapping quantitative trait loci for heat tolerance at the booting stage using chromosomal segment substitution lines in rice.Physiology and molecular biology of plants : an international journal of functional plant biology · 2017Article
- Identification of Major Effect QTLs for Agronomic Traits and CSSLs in Rice from Swarna/Frontiers in plant science · 2017Article
- Trait and Marker Associations inFrontiers in plant science · 2017Article
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8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice lines derived from wild species and mutants can serve as a good resource for favorable alleles for heat tolerance. In all, 48 stable lines including 17 KMR3/O. rufipogon introgression lines (KMR3 ILs), 15 Swarna/O. nivara ILs (Swarna ILs) along with their parents, Nagina 22 (N22) and its 4 EMS induced mutants and 7 varieties were evaluated for heat tolerance under irrigated conditions under field in two seasons, wet season 2012 using poly cover house method and dry season 2013 using late sown method. Spikelet fertility (SF), yield per plant (YP) and heat susceptibility index (HSI) for these two traits were considered as criteria to assess heat tolerance compared to control. Four KMR3 ILs and eight Swarna ILs were identified as heat tolerant based on SF and YP and their HSIs in both wet and dry seasons. S-65 and S-70 showed low SF and high YP consistently in response to heat in both seasons. We provide evidence that SF alone may not be the best criterion to assess heat tolerance and including YP is important as lines with low SF but high YP and vice versa were identified under heat stress. Out of 49 SSR markers linked to spikelet fertility, 18 were validated for five traits. RM229 in wet season and RM430 and RM210 in dry season were significantly associated with both SF and its HSI under heat stress. RM430 was also significantly associated with both YP and its HSI in dry season. Thirty two candidate genes were identified close to nine markers associated with traits under heat stress.
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