ArticlePlants (Basel, Switzerland)2022
Assessment of Phenotypic Diversity in the USDA Collection of Quinoa Links Genotypic Adaptation to Germplasm Origin.
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 11 papers.
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11 citing papers in PubMed.
- Characterization and Agromorphological Variation in 27 Accessions ofPlants (Basel, Switzerland) · 2026Article
- Agromorphological Characterization of Quinoa (Plants (Basel, Switzerland) · 2025Article
- Elucidating Genotypic Variation in Quinoa via Multidimensional Agronomic, Physiological, and Biochemical Assessments.Plants (Basel, Switzerland) · 2025Article
- Exploring the Correlation Between Salt Tolerance and Seed Nutritional Value of Different Quinoa Genotypes Grown Under Saharan Climatic Conditions.Plants (Basel, Switzerland) · 2024Article
- Mitigation of Drought Stress for Quinoa (Plants (Basel, Switzerland) · 2024Article
- Stability and adaptability of grain yield in quinoa genotypes in four locations of Iran.Frontiers in plant science · 2024Article
- Genotype by environment interaction across water regimes in relation to cropping season response of quinoa (Chenopodium quinoa).PloS one · 2024Article
- Worldwide Evaluations of Quinoa-Biodiversity and Food Security under Climate Change Pressures: Advances and Perspectives.Plants (Basel, Switzerland) · 2023Article
- A comprehensive characterization of agronomic and end-use quality phenotypes across a quinoa world core collection.Frontiers in plant science · 2023Article
- Trends and Limits for Quinoa Production and Promotion in Pakistan.Plants (Basel, Switzerland) · 2022Review
- Root restriction accelerates genomic target identification in quinoa under controlled conditions.Physiologia plantarumArticle
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10 authors.
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Abstract
Quinoa's germplasm evaluation is the first step towards determining its suitability under new environmental conditions. The aim of this study was to introduce suitable germplasm to the lowland areas of the Faisalabad Plain that could then be used to introduce quinoa more effectively to that region. A set of 117 quinoa genotypes belonging to the USDA quinoa collection was evaluated for 11 phenotypic quantitative traits (grain yield (Y), its biological and numerical components plus phenological variables) in a RCBD during two consecutive growing seasons at the University of Agriculture, Faisalabad, Pakistan under mid-autumn sowings. Genotypic performance changed across the years, however most phenotypic traits showed high heritability, from 0.75 for Harvest Index (HI) to 0.97 for aerial biomass (B) and Y. Ordination and cluster analyses differentiated four groups dominated by genotypes from: Peru and the Bolivian Highlands (G1); the Bolivian Highlands (G2); the Ballón collection (regarded as a cross between Bolivian and Sea Level (Chilean) genotypes) plus Bolivian Highlands (G3); and Ballón plus Sea Level (G4), this latter group being the most differentiated one. This genetic structure shared similarities with previous groups identified using SSR markers and G×E data from an international quinoa test. G4 genotypes showed the highest Y associated with higher B and seed numbers (SN), while HI made a significant contribution to yield determination in G2 and seed weight (SW) in G3. G1 and G2 showed the lowest Y associated with a lower B and SN. Moreover, SW showed a strongly negative association with SN in G2. Accordingly, G4 followed by G3 are better suited to the lowland areas of Faisalabad plain and the physiological traits underlying yield determination among genotypic groups should be considered in future breeding programs.
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