ArticleThe Plant journal : for cell and molecular biology2020
Heating quinoa shoots results in yield loss by inhibiting fruit production and delaying maturity.
Article in The Plant journal : for cell and molecular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Is quinoa-farming sustainable in marginal environments? Social, economical and environmental aspects.Journal of the science of food and agriculture · 2026Review
- Quinoa as a naturally stress-resistant crop: current status and future promises.Stress biology · 2026Review
- Wild relatives to improve heat tolerance of cultivated quinoa (Chenopodium quinoa): pollen viability and grain number.Journal of experimental botany · 2025Article
- Changes in the content and accumulation of macroelements in different parts of the quinoa plant biomass Chenopodium quinoa willd.Scientific reports · 2025Article
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- Article
- Physiological responses of young vegetative quinoa (Frontiers in plant science · 2025Article
- Can quinoa (Frontiers in plant science · 2025Review
- A chromosome-scale assembly of the quinoa genome provides insights into the structure and dynamics of its subgenomes.Communications biology · 2023Article
- Combined transcriptomic and metabolomic analyses of high temperature stress response of quinoa seedlings.BMC plant biology · 2023Article
- A comprehensive characterization of agronomic and end-use quality phenotypes across a quinoa world core collection.Frontiers in plant science · 2023Article
- Salt-tolerant alternative crops as sources of quality food to mitigate the negative impact of salinity on agricultural production.Frontiers in plant science · 2023Review
- A protocol for Chenopodium quinoa pollen germination.Plant methods · 2022Article
- Heat stress changes mineral nutrient concentrations inPlant direct · 2022Article
- Changes in Quinoa Seed Fatty Acid Profile Under Heat Stress Field Conditions.Frontiers in nutrition · 2022Article
- Single cell gene regulatory networks in plants: Opportunities for enhancing climate change stress resilience.Plant, cell & environment · 2021Review
- Heat Stress Impact on Yield and Composition of Quinoa Straw under Mediterranean Field Conditions.Plants (Basel, Switzerland) · 2021Article
- Unraveling the Strategies Used by the Underexploited Amaranth Species to Confront Salt Stress: Similarities and Differences With Quinoa Species.Frontiers in plant science · 2021Article
- The genotype-dependent phenotypic landscape of quinoa in salt tolerance and key growth traits.DNA research : an international journal for rapid publication of reports on genes and genomes · 2020Article
- Root restriction accelerates genomic target identification in quinoa under controlled conditions.Physiologia plantarumArticle
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Increasing global temperatures and a growing world population create the need to develop crop varieties that provide higher yields in warmer climates. There is growing interest in expanding quinoa cultivation, because of the ability of quinoa to produce nutritious grain in poor soils, with little water and at high salinity. The main limitation to expanding quinoa cultivation, however, is the susceptibility of quinoa to temperatures above approximately 32°C. This study investigates the phenotypes, genes and mechanisms that may affect quinoa seed yield at high temperatures. Using a differential heating system where only roots or only shoots were heated, quinoa yield losses were attributed to shoot heating. Plants with heated shoots lost 60-85% yield as compared with control plants. Yield losses were the result of lower fruit production, which lowered the number of seeds produced per plant. Furthermore, plants with heated shoots had delayed maturity and greater non-reproductive shoot biomass, whereas plants with both heated roots and heated shoots produced higher yields from the panicles that had escaped the heat, compared with the control. This suggests that quinoa uses a type of avoidance strategy to survive heat. Gene expression analysis identified transcription factors differentially expressed in plants with heated shoots and low yield that had been previously associated with flower development and flower opening. Interestingly, in plants with heated shoots, flowers stayed closed during the day while the control flowers were open. Although a closed flower may protect the floral structures, this could also cause yield losses by limiting pollen dispersal, which is necessary to produce fruit in the mostly female flowers of quinoa.
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