ArticleFrontiers in plant science2021
Potato Response to Drought Stress: Physiological and Growth Basis.
Article in Frontiers in plant science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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42 citing papers in PubMed.
- Genotypic Differences in Potato Yield and Starch Content Response to Potassium Fertilization Under Drought Stress.Plants (Basel, Switzerland) · 2026Article
- Potato Tuberisation Responses to Drought and a Film-Forming Antitranspirant.Plants (Basel, Switzerland) · 2026Article
- Combined application of nano-magnesium oxide and humic acid improves potato drought tolerance and soil health.BMC plant biology · 2026Article
- Pan-Genome-Wide Analysis and Expression Profiling of the Potato GST Gene Family.Plants (Basel, Switzerland) · 2026Article
- Stress-Specific Carbonylation and Proteasome 20S Activity in Potato Under Drought, Elevated Temperature, and Combined Stresses: Linking Oxidative Damage to Proteome Regulation.Plants (Basel, Switzerland) · 2026Article
- Effects of Vapor Gard (Di-1-Plants (Basel, Switzerland) · 2026Article
- Comprehensive evaluation of biostimulants on leaf-level physiology, water use efficiency, and tuber quality in potato (Frontiers in plant science · 2026Article
- Genotype-specific transcriptomic response to drought stress in potato cultivars modulated by microbial biostimulants.BMC plant biology · 2025Article
- Genome-Wide Analysis of Trehalose-6-Phosphate Phosphatases (TPP) Gene Family in Potato (Plants (Basel, Switzerland) · 2025Article
- Changes in proteome and protein carbonylation in potato (Solanum tuberosum L.) under single and combined abiotic stresses.Scientific reports · 2025Article
- Pan-genome identification and expression analysis of the ARF gene family in potato.BMC plant biology · 2025Article
- Silicon fertilizer increased potato drought tolerance and reduced soil NScientific reports · 2025Article
- Detection of Abiotic Stress in Potato and Sweet Potato Plants Using Hyperspectral Imaging and Machine Learning.Plants (Basel, Switzerland) · 2025Article
- Molecular Mechanisms Underlying Defense Responses of Potato (Plants (Basel, Switzerland) · 2025Review
- Screening drought tolerance in potato germplasm resources in the northwestern region of China.BMC plant biology · 2025Article
- Genome-Wide Identification of the Potato GGPS Gene Family and Analysis of Its Response to Abiotic Stress.Genes · 2025Article
- Molecular modelling and gene expression analysis to probe the GT-γ trihelix transcription factors in Solanum tuberosum under drought stress.Scientific reports · 2025Article
- Regulation of storage organ formation by long-distance tuberigen signals in potato.Horticulture research · 2025Article
- StTCTP Positively RegulatesInternational journal of molecular sciences · 2025Article
- The smell of spud-stress: a pilot study testing the viability of volatile organic compounds as markers of drought stress in potato (Frontiers in plant science · 2025Article
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6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Drought poses a major challenge to the production of potatoes worldwide. Climate change is predicted to further aggravate this challenge by intensifying potato crop exposure to increased drought severity and frequency. There is an ongoing effort to adapt our production systems of potatoes through the development of drought-tolerant cultivars that are appropriately engineered for the changing environment. The breeding of drought-tolerant cultivars can be approached through the identification of drought-related physiological and biochemical traits and their deployment in new potato cultivars. Thus, the main objective of this study was to develop a method to identify and characterize the drought-tolerant potato genotypes and the related key traits. To achieve this objective, first we studied 56 potato genotypes including 54 cultivars and 2 advanced breeding lines to assess drought tolerance in terms of tuber yield in the greenhouse experiment. Drought differentially reduced tuber yield in all genotypes. Based on their capacity to maintain percent tuber yield under drought relative to their well-watered controls, potato genotypes differed in their ability to tolerate drought. We then selected six genotypes, Bannock Russet, Nipigon, Onaway, Denali, Fundy, and Russet Norkotah, with distinct yield responses to drought to further examine the physiological and biochemical traits governing drought tolerance. The drought-induced reduction in tuber yield was only 15-20% for Bannock Russet and Nipigon, 44-47% for Onaway and Denali, and 83-91% for Fundy and Russet Norkotah. The tolerant genotypes, Bannock Russet and Nipigon, exhibited about a 2-3-fold increase in instantaneous water-use efficiency (WUE) under drought as compared with their well-watered controls. This stimulation was about 1.8-2-fold for moderately tolerant genotypes, Onaway and Denali, and only 1.5-fold for sensitive genotypes, Fundy, and Russet Norkotah. The differential stimulation of instantaneous WUE of tolerant and moderately tolerant genotypes vs. sensitive genotypes was accounted for by the differential suppression of the rates of photosynthesis, stomatal conductance, and transpiration rates across genotypes. Potato genotypes varied in their response to leaf protein content under drought. We suggest that the rates of photosynthesis, instantaneous WUE, and leaf protein content can be used as the selection criteria for the drought-tolerant potato genotypes.
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