ArticlePloS one2019
Introgression of peanut smut resistance from landraces to elite peanut cultivars (Arachis hypogaea L.).
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 29 citations in OpenAlex.
- The curious case of sporadic nematode susceptibility in "Tifguard" peanut (Arachis hypogaea): seed mixture or genetic instability?G3 (Bethesda, Md.) · 2026Article
- Histopathology ofPlants (Basel, Switzerland) · 2025Article
- Optimizing Peanut (Plants (Basel, Switzerland) · 2024Review
- First draft genome of Thecaphora frezii, causal agent of peanut smut disease.BMC genomic data · 2023Article
- Seed Weight and Genotype Influence the Total Oil Content and Fatty Acid Composition of Peanut Seeds.Foods (Basel, Switzerland) · 2022Article
- Genetic mapping and QTL analysis for peanut smut resistance.BMC plant biology · 2021Article
- Genotyping tools and resources to assess peanut germplasm: smut-resistant landraces as a case study.PeerJ · 2021Article
Corrections and comments
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Authors and funding
14 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Smut disease caused by the fungal pathogen Thecaphora frezii Carranza & Lindquist is threatening the peanut production in Argentina. Fungicides commonly used in the peanut crop have shown little or no effect controlling the disease, making it a priority to obtain peanut varieties resistant to smut. In this study, recombinant inbred lines (RILs) were developed from three crosses between three susceptible peanut elite cultivars (Arachis hypogaea L. subsp. hypogaea) and two resistant landraces (Arachis hypogaea L. subsp. fastigiata Waldron). Parents and RILs were evaluated under high inoculum pressure (12000 teliospores g-1 of soil) over three years. Disease resistance parameters showed a broad range of variation with incidence mean values ranging from 1.0 to 35.0% and disease severity index ranging from 0.01 to 0.30. Average heritability (h2) estimates of 0.61 to 0.73 indicated that resistance in the RILs was heritable, with several lines (4 to 7 from each cross) showing a high degree of resistance and stability over three years. Evidence of genetic transfer between genetically distinguishable germplasm (introgression in a broad sense) was further supported by simple-sequence repeats (SSRs) and Insertion/Deletion (InDel) marker genotyping. This is the first report of smut genetic resistance identified in peanut landraces and its introgression into elite peanut cultivars.
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