Evidence map›Paper›PMID 37555871›Full record

ArticleMolecular biology reports2023

Haplotype analysis of QTLs governing early seedling vigor-related traits under dry-direct-seeded rice (Oryza sativa L.) conditions.

Mounika Reddy Yamasani, Vasanthi Raguru Pandu, Sudhamani Kalluru, Rupeshkumar Reddy Bommaka, Ramanamurthy Bandela, Bharathi Duddu, Srikanth Komeri, Dineshkumar Kumbha, Lakshminarayana R Vemireddy

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Article in Molecular biology reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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3 · Its place in the literature

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2 citing papers in PubMed.

  1. Enhancement of genetic gain for early seedling vigor traits through marker-assisted pedigree selection in rice (Physiology and molecular biology of plants : an international journal of functional plant biology · 2025
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9 authors.

Mounika Reddy YamasaniDepartment of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Vasanthi Raguru Pandu *Department of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Sudhamani Kalluru *Department of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Rupeshkumar Reddy BommakaDepartment of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Ramanamurthy BandelaDepartment of Statistics and Computer Applications, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Bharathi DudduDepartment of Genetics and Plant Breeding, Regional Agricultural Research Station, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Srikanth KomeriDepartment of Molecular Biology and Biotechnology, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Dineshkumar KumbhaDepartment of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India.
Lakshminarayana R VemireddyDepartment of Molecular Biology and Biotechnology, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati, 517502, Andhra Pradesh, India. vlnreddy@angrau.ac.in.ORCID http://orcid.org/0000-0002-9452-8492

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6 · The paper itself

Abstract

backgroundThe eventual shifting of cultivation method from puddle transplanted rice to direct-seeded rice (DSR) to save water prompted researchers to develop DSR-suitable varieties. To achieve this, identification of molecular markers associated with must-have traits for DSR, especially early seedling vigour related traits is crucial. METHODS AND

resultsIn the present investigation, the haplotype analysis using flanking markers of three important quantitative trait loci (QTLs) for early seedling vigour-related traits viz., qSV-6a (RM204 and RM402) for root length; qVI (RM20429 and RM3) for seedling vigour index; qGP-6 (RM528 and RM400) for germination percentage revealed that the marker alleles were found to show significant associations with qVI and qGP-6 QTLs. The majority of genotypes with high early seedling vigour are with qVIHap-1 (220 and 160 bp) and qGPHap-1 (290 and 290 bp). The rice genotypes with superior haplotypes for early seedling vigour are BMF536, BMF540, BMF525, MM129 and MDP2.

conclusionsIn conclusion, here we demonstrated that the markers RM20429 and RM3 are associated with seedling vigour index whereas RM528 and RM400 are associated with germination percentage. Therefore, these markers can be utilized to develop varieties suitable for DSR conditions through haplotype-based breeding. In addition, the rice genotypes with superior haplotypes can be of immense value to use as donors or can be released as varieties also under DSR conditions.

Indexed as

OryzaQuantitative Trait LociHaplotypesPlant BreedingSeedlingsDirect seeded riceEarly seedling vigour-related traitsHaplotype analysisQTLsRice

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PMID37555871

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