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Journal articles on the topic 'Tolerance to drought'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Passioura, J. B. "Drought and drought tolerance." Plant Growth Regulation 20, no. 2 (1996): 79–83. http://dx.doi.org/10.1007/bf00024003.

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2

Nasaruddin, N., Muh Farid Bdr, Yunus Musa, et al. "Character Selection and Tolerance Screening Efectivity on Static Hydroponic Method Under Drought Stress in Rice." Agrotech Journal 5, no. 2 (2020): 82–88. http://dx.doi.org/10.31327/atj.v5i2.1349.

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This research was aimed to evaluate the efectivity of screening method and identification of tolerance screening selection character in statis hydroponic system towards drough stress. The research was carried out in Hydroponic Screenhouse Perdos Unhas, Tamalanrea, Makassar which throughout February-April 2020. This research was conducted in factorial design in nested patterns, where environment was the nested replication. Environments used were normal (0% PEG) and drought stress (10% PEG). Five rice varieties were used: Inpari 34, Ciherang, IR29 and Jeliteng. Research result showed that canopy

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3

Bapela, Theresa, Hussein Shimelis, Toi John Tsilo, and Isack Mathew. "Genetic Improvement of Wheat for Drought Tolerance: Progress, Challenges and Opportunities." Plants 11, no. 10 (2022): 1331. http://dx.doi.org/10.3390/plants11101331.

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Wheat production and productivity are challenged by recurrent droughts associated with climate change globally. Drought and heat stress resilient cultivars can alleviate yield loss in marginal production agro-ecologies. The ability of some crop genotypes to thrive and yield in drought conditions is attributable to the inherent genetic variation and environmental adaptation, presenting opportunities to develop drought-tolerant varieties. Understanding the underlying genetic, physiological, biochemical, and environmental mechanisms and their interactions is key critical opportunity for drought t

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Maréchaux, Isabelle, Megan K. Bartlett, Philippe Gaucher, Lawren Sack, and Jérôme Chave. "Causes of variation in leaf-level drought tolerance within an Amazonian forest." Journal of Plant Hydraulics 3 (January 31, 2016): e004. http://dx.doi.org/10.20870/jph.2016.e004.

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Amazonian tree communities have already been seriously impacted by extreme natural droughts, and intense droughts are predicted to increase in frequency. However, our current knowledge of Amazonian tree species’ responses to water stress remains limited, as plant trait databases include few drought tolerance traits, impeding the application and predictive power of models. Here we explored how leaf water potential at turgor loss point (πtlp), a determinant of leaf drought tolerance, varies with species life history, season, tree size and irradiance within a forest in French Guiana. First, we pr

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5

Safonova, Irina, and Nikolay Aniskov. "Index assessment of drought resistance of promising varieties of diploid winter rye in contrastive growing conditions." Agrarian Bulletin of the 236, no. 07 (2023): 32–45. http://dx.doi.org/10.32417/1997-4868-2023-236-07-32-45.

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Abstract. Winter rye is grown in a variety of soil and climatic conditions, which indicates the evolutionary resistance to the action of abiotic stressors. Due to periodic spring-summer droughts in the conditions of the North-West region of the Russian Federation, the problem of drought tolerance in rye is of particular importance. The purpose of this study was to investigate 13 winter diploid rye collection varieties for drought tolerance and adaptability in the Northwestern region of the Russian Federation and to identify the most promising ones. Methods. Experiments were laid from 2018 to 2

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6

BONEA, Dorina. "Grain yield and drought tolerance indices of maize hybrids." Notulae Scientia Biologicae 12, no. 2 (2020): 376–86. http://dx.doi.org/10.15835/nsb12210683.

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Drought is one of the major abiotic stress factors limiting crops production in Oltenia area, Romania. In order to study the response of six maize hybrids to drought stress, the trials were conducted in research field of ARDS Simnic – Craiova, during 2017-2018 (non-stressed conditions) and 2018-2019 (drought stress). Six tolerance indices including: abiotic tolerance index (ATI), stress susceptibility percentage index (SSPI), Stress tolerance index (STI), mean productivity (MP), relative drought index (RDI) and golden mean (GM), were utilized on the basis of grain yield. Results from analysis

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Kondwakwenda, Aleck, Julia Sibiya, Rebecca Zengeni, and Cousin Musvosvi. "Aspects in breeding maize for drought tolerance: Progress and modern breeding approaches." April 2021, no. 15(04):2021 (April 10, 2021): 810–17. http://dx.doi.org/10.21475/ajcs.21.15.04.p2779.

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Breeding for drought tolerance in plants is challenging because it is controlled by multiple genes. Grain yield, the trait of primary interest in maize, is characterized by low heritability, high genotype by environment interaction, and low variation under drought conditions, which further complicates selection. To circumvent these challenges, secondary traits that are highly correlated with grain yield are indirectly selected under drought conditions. Although considerable success in terms of yield gains under drought stress has been reported in both temperate and tropical maize breeding prog

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Fort, Kevin, Joaquin Fraga, Daniele Grossi, and M. Andrew Walker. "Early Measures of Drought Tolerance in Four Grape Rootstocks." Journal of the American Society for Horticultural Science 142, no. 1 (2017): 36–46. http://dx.doi.org/10.21273/jashs03919-16.

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Recent and severe droughts in major grape (Vitis)-growing regions of the United States and Australia underscore the importance of more efficient agricultural use of water. Grape rootstock breeding for increased drought tolerance could contribute to continued sustainable yields as fresh water supplies decline. Rhizotron containers were used in a greenhouse to investigate the predictive measures of drought tolerance in young grapevine rootstocks. Deeper rooting distributions were found for the drought-tolerant rootstocks ‘110R’ (Vitis berlandieri × Vitis rupestris) and ‘Ramsey’ (Vitis champinii,

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9

Melick, DR. "Relative Drought Resistance of Tristaniopsis laurina and Acmena smithii From Riparian Warm Temperate Rainforest in Victoria." Australian Journal of Botany 38, no. 4 (1990): 361. http://dx.doi.org/10.1071/bt9900361.

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The drought tolerances of the warm temperate rainforest species Tristaniopsis laurina and Acmena smithii were examined. Using pressure bomb techniques the tissue water relations of hardened juvenile and adult material were measured. T. laurina showed relatively little physiological drought tolerance in either the juvenile or adult plants, whereas A. smithii showed an increase in physiological drought tolerance in adult plants. Direct observations of droughted hardened 9-month-old seedlings revealed a relatively high leaf conductance in T. laurina seedlings with wilting becoming generalised aft

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10

Lukács, A., G. Pártay, T. Németh, S. Csorba, and C. Farkas. "Drought stress tolerance of two wheat genotypes." Soil and Water Research 3, Special Issue No. 1 (2008): S95—S104. http://dx.doi.org/10.17221/10/2008-swr.

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Biotic and abiotic stress effects can limit the productivity of plants to great extent. In Hungary, drought is one of the most important constrains of biomass production, even at the present climatic conditions. The climate change scenarios, developed for the Carpathian basin for the nearest future predict further decrease in surface water resources. Consequently, it is essential to develop drought stress tolerant wheat genotypes to ensure sustainable and productive wheat production under changed climate conditions. The aim of the present study was to compare the stress tolerance of two winter

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11

Zhang, Zhiqin, Xiaodong Xie, Muhammad Asad Naseer, et al. "Screening and Physiological Responses of Maize Inbred Lines to Drought Stress in South China." Sustainability 16, no. 17 (2024): 7366. http://dx.doi.org/10.3390/su16177366.

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The frequent occurrence of localized and seasonal droughts has caused severe economic losses in maize production in South China. To promote sustainable maize production, selecting and breeding drought-tolerant varieties is vital for addressing water scarcity. Drought stress affects all aspects of crop morphological performance. In this study, the morphological performance of 285 maize inbred lines under drought stress was investigated using D-value analysis, correlation analysis, principal component analysis, cluster analysis and stepwise regression analysis. All indicators were significantly

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Gorim, Linda Yuya, and Albert Vandenberg. "Can wild lentil genotypes help improve water use and transpiration efficiency in cultivated lentil?" Plant Genetic Resources: Characterization and Utilization 16, no. 5 (2018): 459–68. http://dx.doi.org/10.1017/s1479262117000399.

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AbstractClimate change forecasts point to increased frequency of droughts which may affect plant growth. For protein crops such as lentil, genetic improvement of both water use and drought tolerance is necessary. Wild lentil species are known to have evolved in drought prone areas and can be introgressed into cultivated lentil, making them candidates for the evaluation of high transpiration efficiency (TE) and drought tolerance. We assessed TE, water use and drought tolerance at the plant level for five wild lentil species and in cultivated lentil. Under fully watered and moderate drought cond

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Rajkumar, Sapna, Vijay Kumar, Vijeta Sagwal, Sinky, and Kamal Dutt Sharma. "Morphological, Physiological, Biochemical and Molecular Response of Barley (H. Vulgare L.) to Water Deficiency." International Journal of Environment and Climate Change 13, no. 10 (2023): 3444–57. http://dx.doi.org/10.9734/ijecc/2023/v13i103014.

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Barley (Hordeum vulgare L.) is one of the earliest cultivated cereals and a foundational crop of ancient agriculture. After rice, maize, and wheat, barley is the fourth most widely cultivated cereal crop in the world. It is cultivated in numerous developed and developing nations, where it frequently faces severe drought stress. Every year, droughts afflict the entire planet, frequently with catastrophic effects on crop production. Many crop modification projects have primarily targeted on the enhancement of drought resistance. However, progress toward this objective has been modest due to comp

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Irani, Sayareh, Mohammad Mahdi Majidi, Aghafakhr Mirlohi, Mahnaz Zargar, and Mostafa Karami. "Assessment of Drought Tolerance in Sainfoin: Physiological and Drought Tolerance Indices." Agronomy Journal 107, no. 5 (2015): 1771–81. http://dx.doi.org/10.2134/agronj15.0131.

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15

Schmidthoffer, Ildiko, Lászlo Szilák, Péter Molnár, Peter Csontos, and Anna Skribanek. "Drought Tolerance of European Barley (Hordeum Vulgare L.) Varieties." Agriculture (Pol'nohospodárstvo) 64, no. 3 (2018): 137–42. http://dx.doi.org/10.2478/agri-2018-0014.

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Abstract Drought is one of the major abiotic stresses that frequently causes severe loss in crop yield worldwide. Laboratory predictors of field drought tolerance could significantly increase the effectiveness of existing plant breeding programs. In earlier field experiments, drought tolerance of 22 cultivated barley varieties has already been quantified. In order to develop laboratory markers of drought sensitivity, field drought tolerance data were correlated with parameters obtained in laboratory tests. Root and shoot length and weight were measured on control and PEG-treated (a simple labo

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Sprenger, Heike, Katharina Rudack, Christian Schudoma, et al. "Assessment of drought tolerance and its potential yield penalty in potato." Functional Plant Biology 42, no. 7 (2015): 655. http://dx.doi.org/10.1071/fp15013.

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Climate models predict an increased likelihood of seasonal droughts for many areas of the world. Breeding for drought tolerance could be accelerated by marker-assisted selection. As a basis for marker identification, we studied the genetic variance, predictability of field performance and potential costs of tolerance in potato (Solanum tuberosum L.). Potato produces high calories per unit of water invested, but is drought-sensitive. In 14 independent pot or field trials, 34 potato cultivars were grown under optimal and reduced water supply to determine starch yield. In an artificial dataset, w

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Wang, Jingyi, Chaonan Li, Long Li, Matthew Reynolds, Xinguo Mao, and Ruilian Jing. "Exploitation of Drought Tolerance-Related Genes for Crop Improvement." International Journal of Molecular Sciences 22, no. 19 (2021): 10265. http://dx.doi.org/10.3390/ijms221910265.

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Drought has become a major threat to food security, because it affects crop growth and development. Drought tolerance is an important quantitative trait, which is regulated by hundreds of genes in crop plants. In recent decades, scientists have made considerable progress to uncover the genetic and molecular mechanisms of drought tolerance, especially in model plants. This review summarizes the evaluation criteria for drought tolerance, methods for gene mining, characterization of genes related to drought tolerance, and explores the approaches to enhance crop drought tolerance. Collectively, th

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Nezhadahmadi, Arash, Zakaria Hossain Prodhan, and Golam Faruq. "Drought Tolerance in Wheat." Scientific World Journal 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/610721.

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Drought is one of the most important phenomena which limit crops’ production and yield. Crops demonstrate various morphological, physiological, biochemical, and molecular responses to tackle drought stress. Plants’ vegetative and reproductive stages are intensively influenced by drought stress. Drought tolerance is a complicated trait which is controlled by polygenes and their expressions are influenced by various environmental elements. This means that breeding for this trait is so difficult and new molecular methods such as molecular markers, quantitative trait loci (QTL) mapping strategies,

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19

Rijal, Ramesh Babu, Pukar Bashyal, Dil Raj Yadav, Koshraj Upadhyay, Khem Raj Pant, and Nav Raj Adhikari. "Assessing drought tolerance in advance wheat genotypes using stress tolerance indices." Archives of Agriculture and Environmental Science 9, no. 2 (2024): 336–44. http://dx.doi.org/10.26832/24566632.2024.0902019.

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Wheat, an important crop of Nepal, is significantly affected by drought, leading to severe yield losses. Thus, an experiment was conducted to assess effect of drought on wheat traits and to identify drought resilient genotypes comparing stress tolerance indices. Altogether seventy-two genotypes including checks were evaluated under drought and non-stress condition in an alpha-lattice design with two replications at the research block of National Rice Research Program, Hardinath, Nepal during winter of 2019/20. Analysis of variance revealed significant genotypic differences (p<0.01) in trait

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20

El haddad, Noureddine, Karthika Rajendran, Abdelaziz Smouni, et al. "Screening the FIGS Set of Lentil (Lens culinaris Medikus) Germplasm for Tolerance to Terminal Heat and Combined Drought-Heat Stress." Agronomy 10, no. 7 (2020): 1036. http://dx.doi.org/10.3390/agronomy10071036.

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Lentil (Lens culinaris Medikus) is one of the most important cool season food legume crops grown in many countries. Seeds are typically rich in protein, fiber, prebiotic carbohydrates and minerals, such as iron and zinc. With changing climate and variability, the lentil crop faces frequent droughts and heat stress of varying intensity in its major production zones. In the present study, a set of 162 lentil accessions selected through the Focused Identification of Germplasm Strategy (FIGS) were screened for tolerance to heat stress and combined heat-drought stresses under field conditions at tw

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Zhang, Chunxia, Zhaoji Shi, Yingtong Chen, Jing Guo, Jiaen Zhang, and Zhong Qin. "Sex-Biased Survival, Behavior Response, and Recovery Performance of Pomacea canaliculata Snails to Drought Stress and Rewatering Condition." Biology 12, no. 6 (2023): 768. http://dx.doi.org/10.3390/biology12060768.

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As the frequency of droughts increases with climate change, the tolerance of aquatic organisms to abiotic stressors will become critical determinants of survival. Pomacea canaliculata has become a widely distributed agricultural and environmental pest in southern China. To evaluate their tolerance and adaptation under the drought condition, the survival, feeding, behavior, and antioxidant system changes in female and male P. canaliculata were investigated during drought stress and rewatering process through an indoor simulation experiment. The results showed that female snails laid eggs before

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Krishnan, Lalitha, Deepak Barua, and Mahesh Sankaran. "Dry-forest tree species with large seeds and low stem specific density show greater survival under drought." Journal of Tropical Ecology 35, no. 1 (2019): 26–33. http://dx.doi.org/10.1017/s0266467418000421.

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AbstractTree establishment in tropical dry forests is constrained by drought-related seedling mortality during early stages of recruitment. Predicted increases in the duration of growing-season droughts in the future pose a significant threat to these ecosystems that could significantly alter their vegetation structure and composition. Here, we examined drought tolerance in seedlings of seven common dry-forest tree species from the Indian subcontinent. We conducted a dry-down experiment on 3-wk-old seedlings, and asked whether the key plant functional traits, specific leaf area (SLA), leaf dry

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Ii, Kaori, Kuang-Liang Huang, Megumi Inoue, Shikanori Matsuda, and Hiroshi Okubo. "Drought Tolerance of Geophytes." Journal of the Faculty of Agriculture, Kyushu University 45, no. 1 (2000): 49–55. http://dx.doi.org/10.5109/24356.

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Holmström, Kjell-Ove, Einar Mäntylä, Björn Welin, et al. "Drought tolerance in tobacco." Nature 379, no. 6567 (1996): 683–84. http://dx.doi.org/10.1038/379683a0.

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Gosal, Satbir S., Shabir H. Wani, and Manjit S. Kang. "Biotechnology and Drought Tolerance." Journal of Crop Improvement 23, no. 1 (2009): 19–54. http://dx.doi.org/10.1080/15427520802418251.

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Rahmati, Hoshang, Ali Nakhzari Moghadam, Ali RahemiKarizaki, and zeynab avarseji. "Evaluation of Drought Tolerance in Durum Wheat Genotypes using Drought Tolerance Indices." Journal of Crop Breeding 12, no. 33 (2020): 174–83. http://dx.doi.org/10.29252/jcb.12.33.174.

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kamrani, Morteza, Abbas Farzi, and Manuchehr Shiri. "Evaluation of Drought Tolerance in Some Wheat Genotypes using Drought Tolerance Indices." Journal of Crop Breeding 9, no. 23 (2017): 9–17. http://dx.doi.org/10.29252/jcb.9.23.9.

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Xia, Ke, Qiaofen Wu, Yanni Yang, et al. "Drought Stress Induced Different Response Mechanisms in Three Dendrobium Species under Different Photosynthetic Pathways." International Journal of Molecular Sciences 25, no. 5 (2024): 2731. http://dx.doi.org/10.3390/ijms25052731.

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Many Dendrobium species, which hold a high status and value in traditional Chinese medicine, grow on barks and rocks in the wild, often encountering harsh environments and facing droughts. However, the molecular mechanisms underlying the shift in the photosynthetic pathway induced by drought remain unclear. To address this issue, three Dendrobium species with different photosynthetic pathways were selected for sequencing and transcriptome data analysis after drought treatment. The findings included 134.43 GB of sequencing data, with numerous Differentially Expressed Genes (DEGs) exhibiting dif

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Quené, Robert W., Mark S. Strefeler, and Kerry M. Strope. "Inheritance of Characters Important to Drought Tolerance in New Guinea Impatiens (Impatiens hawkeri)." HortScience 31, no. 4 (1996): 571a—571. http://dx.doi.org/10.21273/hortsci.31.4.571a.

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The study was designed to provide information on the inheritance of certain characters important to drought tolerance in New Guinea impatiens. Seven genotypes, three were drought tolerant and four drought susceptible, were crossed in a full diallel with selfs. Drought tolerance of parents was estimated using stomatal conductance. At least 55 seedlings per cross were grown in the greenhouse for 2 months and evaluated for drought tolerance. Leaf fresh weight (LFW) leaf area (LA), leaf length (LL), leaf width (LW), and leaf thickness (LT) were measured using 10 leaves from each plant (parents plu

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VENKATA, BANA. "Delineation of selection indices for identification of asiatic cotton (Gossypium arboreum L.) genotypes for drought tolerance ability." Annals of Plant and Soil Research 26, no. 1 (2024): 24–30. http://dx.doi.org/10.47815/apsr.2024.10328.

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Categorization of genotypes under low moisture conditions is essential for the identification and development of drought tolerant genotypes in cotton. In the present study, 48 diverse Asiatic cotton genotypes were categorized for drought tolerance ability using two different techniques. The significant interaction between genotypes and drought treatment indicates that the studied genotypes were significantly affected by imposed treatment for measured drought tolerance related traits. The categorization of genotypes based on the cumulative score assigned for each genotype revealed the linear re

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Efendi, Roy, Yunus Musa, M. Farid Bdr, M. Danial Rahim, M. Azrai, and Marcia Pabendon. "Seleksi Jagung Inbrida dengan Marka Molekuler dan Toleransinya terhadap Kekeringan dan Nitrogen Rendah." Jurnal Penelitian Pertanian Tanaman Pangan 34, no. 1 (2015): 43. http://dx.doi.org/10.21082/jpptp.v34n1.2015.p43-53.

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<p>Information on genetic diversity, homozygosity, drought stress and low N tolerance of maize inbred line are useful for parental selection in developing maize varieties tolerant to drought and low N. The objectives of this study were (a) selection for homozygoes lines and analysis of genetic diversity among 51 maize inbred lines applying simple sequence repeats (SSRs) using thirty six markers (b) selection for inbred lines (homozygosity over 80%) for drought and low nitrogen (N) tolerance. Experiment was conducted using split-split plots design with three replications. Water treatments

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Kim, Kyung-Hee, and Byung-Moo Lee. "Effects of Climate Change and Drought Tolerance on Maize Growth." Plants 12, no. 20 (2023): 3548. http://dx.doi.org/10.3390/plants12203548.

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Climate change is affecting all regions of the world with different climates, and the scale of damage is increasing due to the occurrence of various natural disasters. In particular, maize production is highly affected by abnormal climate events such as heat waves and droughts. Increasing temperatures can accelerate growth and shorten the growing season, potentially reducing productivity. Additionally, enhanced temperatures during the ripening period can accelerate the process, reducing crop yields. In addition, drought stress due to water deficit can greatly affect seedling formation, early p

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Blösch, Regula, Abiel Rindisbacher, Sonia Plaza-Wüthrich, et al. "Identification of Drought Tolerant Mutant Lines of Tef [Eragrostis Tef (Zucc.) Trotter]." Afrika Focus 32, no. 2 (2019): 25–38. http://dx.doi.org/10.1163/2031356x-03202003.

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Introduction: Tef [Eragrostis tef (Zucc.) Trotter] is the major food crop in Ethiopia where it is annually cultivated on about 30% of the total area allocated to cereals. The productivity of tef is, however, significantly reduced by drought which can occur at either the early or the late developmental stage of the crop. Methodology: A total of 10,000 EMS (ethyl methane sulfonate) mutagenized M2 tef populations were screened first for early and second for terminal drought tolerance. The performance of candidate lines was investigated using diverse agronomical and physiological parameters. Resul

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Banoth, Madhu, Umil Singh Nunavath, Sukrutha Bhimireddy, et al. "Conventional and molecular breeding strategies for improvement of drought tolerance cultivars in rice: Recent approaches and outlooks." Environment Conservation Journal 24, no. 4 (2023): 367–81. http://dx.doi.org/10.36953/ecj.18202550.

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Rice is a vital staple food, especially in Asia, but it is highly susceptible to drought, leading to significant yield losses. To ensure food sustainability, drought-tolerant rice varieties are essential. Conventional breeding methods improve drought tolerance by focusing on biometric traits like root depth, avoidance, escape, and tolerance. This involves screening and crossing drought-tolerant varieties with high-yielding ones, followed by selection and evaluation. Techniques such as pedigree selection, recurrent selection, and backcrossing introduce desirable genes to enhance drought toleran

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Khatibi, Ali, Saeed Omrani, Ali Omrani, et al. "Response of Maize Hybrids in Drought-Stress Using Drought Tolerance Indices." Water 14, no. 7 (2022): 1012. http://dx.doi.org/10.3390/w14071012.

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This study was conducted to investigate the response of maize hybrids to drought stress and to select the most drought-tolerant cultivar compared to other hybrids. The experiment was performed on six maize hybrids in a randomized complete block design (RCBD) with three replications under regular irrigation and limited irrigation in the vegetative and reproductive stages in Iran. Drought tolerance indices (TOL, MP, GMP, STI, SSI, and HAR) for the grain yield of genotypes were calculated, and principal component analysis was based on them. The results obtained from estimating the indices showed

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Percival, Glynn, and Ali Mohammed Salim AlBalushi. "Paclobutrazol-induced Drought Tolerance in Containerized English and Evergreen Oak." Arboriculture & Urban Forestry 33, no. 6 (2007): 397–409. http://dx.doi.org/10.48044/jauf.2007.046.

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The influence of paclobutrazol (PBZ) applied as a foliar spray and root drench on drought tolerance and recovery from drought, of containerized English and evergreen oak was investigated. PBZ treatment induced a suite of physiological adaptations that would allow both species to tolerate drought; more specifically, increased total leaf content of carotenoids (lutein:β-carotene:neoxanthin:α-carotene) and xanthophylls (zeaxanthin:antheraxanthin:violaxanthin), chlorophylls, proline, superoxide dismutase, and catalase. In addition, PBZ strengthened leaf membrane integrity and increased leaf photos

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Jamalluddin, Norain, Festo J. Massawe, Sean Mayes, Wai Kuan Ho, Ajit Singh, and Rachael C. Symonds. "Physiological Screening for Drought Tolerance Traits in Vegetable Amaranth (Amaranthus tricolor) Germplasm." Agriculture 11, no. 10 (2021): 994. http://dx.doi.org/10.3390/agriculture11100994.

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Amaranth (Amaranthus tricolor), an underutilized climate smart crop, is highly nutritious and possesses diverse drought tolerance traits, making it an ideal crop to thrive in a rapidly changing climate. Despite considerable studies on the growth and physiology of plants subjected to drought stress, a precise trait phenotyping strategy for drought tolerance in vegetable amaranth is still not well documented. In this study, two drought screening trials were carried out on 44 A. tricolor accessions in order to identify potential drought-tolerant A. tricolor germplasm and to discern their physiolo

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Qiao, G., X. P. Wen, L. F. Yu, and X. B. Ji. "The enhancement of drought tolerance for pigeon pea inoculated by arbuscular mycorrhizae fungi." Plant, Soil and Environment 57, No. 12 (2011): 541–46. http://dx.doi.org/10.17221/116/2011-pse.

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&nbsp; Pigeon pea (Cajanus cajan) has been rapidly grown in the drought-striken Karst regions of southwest China. Present research aimed to investigate the effects of arbuscular mycorrhizae (AM) on the drought tolerance of pigeon pea, as well as to elucidate the physiological responses of AM-colonized seedlings to the water deficit. As subjected to drought stress, AM symbiosis (AMD) highly led to the positive effects on root system, plant height and stem diameter. AMD demonstrated a remarkably higher chlorophyll content, photosynthetic rate and stomatal conductance. The soluble sugar in AM

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Khan, Shahbaz, Sumera Anwar, Shaobo Yu, Min Sun, Zhenping Yang, and Zhi-qiang Gao. "Development of Drought-Tolerant Transgenic Wheat: Achievements and Limitations." International Journal of Molecular Sciences 20, no. 13 (2019): 3350. http://dx.doi.org/10.3390/ijms20133350.

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Crop yield improvement is necessary to keep pace with increasing demand for food. Due to climatic variability, the incidence of drought stress at crop growth stages is becoming a major hindering factor to yield improvement. New techniques are required to increase drought tolerance along with improved yield. Genetic modification for increasing drought tolerance is highly desirable, and genetic engineering for drought tolerance requires the expression of certain stress-related genes. Genes have been identified which confer drought tolerance and improve plant growth and survival in transgenic whe

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LABUSCHAGNE, M. T., R. VERHOEVEN, and M. NKOUANESSI. "Drought tolerance assessment of African cowpea accessions based on stomatal behaviour and cell membrane stability." Journal of Agricultural Science 146, no. 6 (2008): 689–94. http://dx.doi.org/10.1017/s002185960800806x.

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SUMMARYIn Sub-Saharan Africa, cowpea is well known for its ability to survive under conditions of water stress and it plays an important role in regions where drought is the factor most limiting to crop yield. In the present study, the drought tolerance levels of 20 African cowpea accessions from three countries were evaluated. A number of the genotypes showed drought tolerance, the merits of stomatal behaviour and cell membrane stability to assess drought tolerance was demonstrated. Damage to the cell membranes caused by drought was less in tolerant accessions. Stomatal opening was also bette

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Bartlett, M. K., G. Sinclair, G. Fontanesi, T. Knipfer, M. A. Walker, and A. J. McElrone. "Root pressure–volume curve traits capture rootstock drought tolerance." Annals of Botany 129, no. 4 (2021): 389–402. http://dx.doi.org/10.1093/aob/mcab132.

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Abstract Background and Aims Living root tissues significantly constrain plant water uptake under drought, but we lack functional traits to feasibly screen diverse plants for variation in the drought responses of these tissues. Water stress causes roots to lose volume and turgor, which are crucial to root structure, hydraulics and growth. Thus, we hypothesized that root pressure–volume (p–v) curve traits, which quantify the effects of water potential on bulk root turgor and volume, would capture differences in rootstock drought tolerance. Methods We used a greenhouse experiment to evaluate rel

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Lenk, Ingo, Lorraine Fisher, Martin Vickers, et al. "Transcriptional and Metabolomic Analyses Indicate that Cell Wall Properties are Associated with Drought Tolerance in Brachypodium distachyon." International Journal of Molecular Sciences 20, no. 7 (2019): 1758. http://dx.doi.org/10.3390/ijms20071758.

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Brachypodium distachyon is an established model for drought tolerance. We previously identified accessions exhibiting high tolerance, susceptibility and intermediate tolerance to drought; respectively, ABR8, KOZ1 and ABR4. Transcriptomics and metabolomic approaches were used to define tolerance mechanisms. Transcriptional analyses suggested relatively few drought responsive genes in ABR8 compared to KOZ1. Linking these to gene ontology (GO) terms indicated enrichment for “regulated stress response”, “plant cell wall” and “oxidative stress” associated genes. Further, tolerance correlated with p

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Rasheed, Adnan, Long Zhao, Ali Raza, et al. "Role of Molecular Breeding Tools in Enhancing the Breeding of Drought-Resilient Cotton Genotypes: An Updated Review." Water 15, no. 7 (2023): 1377. http://dx.doi.org/10.3390/w15071377.

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Drought stress is an inevitable factor that disturbs the production of plants by altering morphological, physiological, biochemical, and molecular functions. Breeding for drought tolerance requires a complete understanding of the molecular factors controlling stress-responsive pathways. The plant responds to drought stress by adopting four mechanisms: avoidance, escape, tolerance, and recovery. Traditional plant-breeding tools have been employed to increase tolerance in cotton, but the complexity of drought tolerance has limited the use of these breeding methods. The plant adopts several key s

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Zhang, Qiuxin, Dan He, Jingjing Zhang, et al. "RIP5 Interacts with REL1 and Negatively Regulates Drought Tolerance in Rice." Cells 13, no. 11 (2024): 887. http://dx.doi.org/10.3390/cells13110887.

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Improving the drought resistance of rice is of great significance for expanding the planting area and improving the stable yield of rice. In our previous work, we found that ROLLED AND ERECT LEAF1 (REL1) protein promoted enhanced tolerance to drought stress by eliminating reactive oxygen species (ROS) levels and triggering the abscisic acid (ABA) response. However, the mechanism through which REL1 regulates drought tolerance by removing ROS is unclear. In this study, we identified REL1 interacting protein 5 (RIP5) and found that it directly combines with REL1 in the chloroplast. We found that

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ÖZKAN, Şükrü Sezgi, and Kaan LEVENT. "The Influence of PEG-Induced Drought Stress on Seed Germination and Seedling Growth Traits of Tetraploid Annual Ryegrass Cultivars." ISPEC Journal of Agricultural Sciences 9, no. 1 (2025): 177–89. https://doi.org/10.5281/zenodo.14601302.

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Drought stress poses a significant challenge to global forage production, particularly under climate change conditions. Identifying cultivars with superior drought tolerance is essential for maintaining productivity in water-limited environments. The objective of the study was to evaluate the effects of polyethylene glycol (PEG)-induced drought stress on the germination and seedling growth traits of tetraploid annual ryegrass (<em>Lolium multiflorum </em>Lam.) cultivars. Four cultivars (Baqueano, Big Boss, Elif, and Medoacus) were exposed to seven osmotic potential levels (0, -0.2, -0.4, -0.6,

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Khalili, Marouf, Alireza Pour-Aboughadareh, and Mohammad Reza Naghavi. "Assessment of drought tolerance in barley: integrated selection criterion and drought tolerance indices." Environmental and Experimental Biology 14, no. 1 (2016): 33–41. http://dx.doi.org/10.22364/eeb.14.06.

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Xu, Mingzhi, Zhenpeng Xu, Yanrong Liu, Yaling Liu, Jinghui Liu, and Wanjun Zhang. "Transcriptome Analysis Reveals the Vital Role of ABA Plays in Drought Tolerance of the ABA-Insensitive Alfalfa (Medicago sativa L.)." Agronomy 14, no. 3 (2024): 406. http://dx.doi.org/10.3390/agronomy14030406.

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Drought stress severely affects alfalfa (Medicago sativa L.) growth and production. It is particularly important to analyze the key networks of drought in alfalfa through physiological and molecular levels. However, how to quickly screen drought-tolerant alfalfa germplasm and how to elucidate the molecular pathways of alfalfa responding to drought are less studied. In this study, based on our previous research, we further verified the association between the heritability of ABA sensitivity during seed germination and drought tolerance of plants and identified the key pathways of drought tolera

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Shen, Yuqian, Lei Li, Peng Du, et al. "Appropriate Drought Training Induces Optimal Drought Tolerance by Inducing Stepwise H2O2 Homeostasis in Soybean." Plants 13, no. 9 (2024): 1202. http://dx.doi.org/10.3390/plants13091202.

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Soybean is considered one of the most drought-sensitive crops, and ROS homeostasis can regulate drought tolerance in these plants. Understanding the mechanism of H2O2 homeostasis and its regulatory effect on drought stress is important for improving drought tolerance in soybean. We used different concentrations of polyethylene glycol (PEG) solutions to simulate the progression from weak drought stress (0.2%, 0.5%, and 1% PEG) to strong drought stress (5% PEG). We investigated the responses of the soybean plant phenotype, ROS level, injury severity, antioxidant system, etc., to different weak d

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GOLKAR, Pooran, Esmaeil HAMZEH, and Seyed Ali Mohammad MIRMOHAMMADY MAIBODY. "Discrimination of drought tolerance in a worldwide collection of safflower (Carthamus tinctorius L.) genotypes based on selection indices." Acta agriculturae Slovenica 117, no. 1 (2021): 1. http://dx.doi.org/10.14720/aas.2021.117.1.1656.

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<p>Improvement of elite safflower genotypes for drought-tolerance is hampered by a deficiency of effective selection criteria. The present study evaluated 100 genotypes of safflower in terms of their drought tolerance over a period of three years (2016–2018) under both non-stress and drought-stress conditions. The eight drought-tolerance indices of tolerance index (TOL), mean productivity (MP), geometric mean productivity (GMP), stress susceptibility index (SSI), stress tolerance index (STI), yield stability index (YSI), drought resistance index (DI), and harmonic mean (HARM) were calcul

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Rasheed, Adnan, Hongdong Jie, Basharat Ali, et al. "Breeding Drought-Tolerant Maize (Zea mays) Using Molecular Breeding Tools: Recent Advancements and Future Prospective." Agronomy 13, no. 6 (2023): 1459. http://dx.doi.org/10.3390/agronomy13061459.

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As a most significant cereal crop, maize provides vital nutritional components to humans and livestock. Drought stress curtails maize growth and yield by impairing several morphological, physiological, and biochemical functions. The rising threats of drought stress significantly affect global food security and increase the ratio of hunger and starvation. The use of molecular breeding techniques has enabled maize researchers to deeply examine the genetic control of drought tolerance and the genetic differences between genotypes to drought stress. Despite the significant progress in molecular ge

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