ArticlePlants (Basel, Switzerland)2022
Pyramiding of Four Broad Spectrum Bacterial Blight Resistance Genes in Cross Breeds of Basmati Rice.
Article in Plants (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 19 citations in OpenAlex.
- Development of multiple disease resistant rice variety through marker assisted selection.Biochemistry and biophysics reports · 2026Article
- Molecular and phenotypic diversity of bacterial leaf blight resistance in green super rice germplasm.BMC plant biology · 2026Article
- Resistance gene againstFrontiers in plant science · 2026Review
- Genetic profiling of bacterial leaf blight resistance genes in Bangladeshi rice varieties.BMC plant biology · 2025Article
- Utilization of doubled haploid breeding approach in introgression of QTL/gene(s) for parental line improvement of hybrid rice.Journal of applied genetics · 2025Article
- Gene pyramiding for enhancing resistance to blast and bacterial blight disease in rice through maker assisted selection.Biotechnology letters · 2025Article
- Comparative genomics using long-read sequencing identifies nearly identical TAL effector regions in twoFrontiers in microbiology · 2025Article
- Marker-assisted enhancement of bacterial blight (Frontiers in plant science · 2023Article
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11 authors at 7 institutions in 3 countries.
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Abstract
Pyramiding of major resistance (R) genes through marker-assisted selection (MAS) is a useful way to attain durable and broad-spectrum resistance against Xanthomonas oryzae pv. oryzae pathogen, the causal agent of bacterial blight (BB) disease in rice (Oryza sativa L.). The present study was designed to pyramid four broad spectrum BB-R genes (Xa4, xa5, xa13 and Xa21) in the background of Basmati-385, an indica rice cultivar with much sought-after qualitative and quantitative grain traits. The cultivar, however, is susceptible to BB and was therefore, crossed with IRBB59 which possesses R genes xa5, xa13 and Xa21, to attain broad and durable resistance. A total of 19 F1 plants were obtained, some of which were backcrossed with Basmati-385 and large number of BC1F1 plants were obtained. In BC1F2 generation, 31 phenotypically superior genotypes having morphological features of Basmati-385, were selected and advanced up to BC1F6 population. Sequence-tagged site (STS)-based MAS was carried out and phenotypic selection was made in each successive generation. In BC1F6 population, potentially homozygous recombinant inbred lines (RILs) from each line were selected and evaluated on the bases of STS evaluation and resistance to local Xanthomonas oryzae pv. oryzae (Xoo) isolates. Line 23 was found pyramided with all four BB-R genes i.e., Xa4, xa5, xa13 and Xa21. Five genotypes including line 8, line 16, line 21, line 27 and line 28 were identified as pyramided with three R genes, Xa4, xa5 and xa13. Pathological study showed that rice lines pyramided with quadruplet or triplet R genes showed the highest level of resistance compared to doublet or singlet R genes. Thus, line 23 with quadruplet, and lines 8, 16, 21, 27, and 28 with triplet R genes, are recommended for replicated yield and resistance trials before release as new rice varieties. Further, traditional breeding coupled with MAS, is a solid way to attain highly effective BB-resistant rice lines with no yield cost.
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