Drought tolerance
View article: The physiology of plant responses to drought
The physiology of plant responses to drought Open
Drought alone causes more annual loss in crop yield than all pathogens combined. To adapt to moisture gradients in soil, plants alter their physiology, modify root growth and architecture, and close stomata on their aboveground segments. T…
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Drought Stress Impacts on Plants and Different Approaches to Alleviate Its Adverse Effects Open
Drought stress, being the inevitable factor that exists in various environments without recognizing borders and no clear warning thereby hampering plant biomass production, quality, and energy. It is the key important environmental stress …
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Plant adaptations to the combination of drought and high temperatures Open
Under field conditions crops are routinely subjected to a number of different abiotic stress factors simultaneously. Recent studies revealed that the response of plants to a combination of different abiotic stresses is unique and cannot be…
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Global Synthesis of Drought Effects on Maize and Wheat Production Open
Drought has been a major cause of agricultural disaster, yet how it affects the vulnerability of maize and wheat production in combination with several co-varying factors (i.e., phenological phases, agro-climatic regions, soil texture) rem…
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<span>ARGOS</span>8 variants generated by <span>CRISPR</span>‐Cas9 improve maize grain yield under field drought stress conditions Open
Summary Maize ARGOS 8 is a negative regulator of ethylene responses. A previous study has shown that transgenic plants constitutively overexpressing ARGOS 8 have reduced ethylene sensitivity and improved grain yield under drought stress co…
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Osmotic adjustment is a prime drought stress adaptive engine in support of plant production Open
Osmotic adjustment (OA) and cellular compatible solute accumulation are widely recognized to have a role in plant adaptation to dehydration mainly through turgor maintenance and the protection of specific cellular functions by defined solu…
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Transcription Factors and Plants Response to Drought Stress: Current Understanding and Future Directions Open
Increasing vulnerability of plants to a variety of stresses such as drought, salt and extreme temperatures poses a global threat to sustained growth and productivity of major crops. Of these stresses, drought represents a considerable thre…
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The Role of the Plant Antioxidant System in Drought Tolerance Open
Water deficiency compromises plant performance and yield in many habitats and in agriculture. In addition to survival of the acute drought stress period which depends on plant-genotype-specific characteristics, stress intensity and duratio…
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Chilling and Drought Stresses in Crop Plants: Implications, Cross Talk, and Potential Management Opportunities Open
Plants face a combination of different abiotic stresses under field conditions which are lethal to plant growth and production. Simultaneous occurrence of chilling and drought stresses in plants due to the drastic and rapid global climate …
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ABA receptor PYL9 promotes drought resistance and leaf senescence Open
Significance We identified transgenic plants that are extremely resistant to drought from a large-scale screening of transgenic plants overexpressing the pyrabactin resistance 1-like (PYL) family of abscisic acid (ABA) receptors. We explor…
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Response Mechanism of Plants to Drought Stress Open
With the global climate anomalies and the destruction of ecological balance, the water shortage has become a serious ecological problem facing all mankind, and drought has become a key factor restricting the development of agricultural pro…
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Transcription Factors Associated with Abiotic and Biotic Stress Tolerance and Their Potential for Crops Improvement Open
In field conditions, crops are adversely affected by a wide range of abiotic stresses including drought, cold, salt, and heat, as well as biotic stresses including pests and pathogens. These stresses can have a marked effect on crop yield.…
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Impact of Stomatal Density and Morphology on Water-Use Efficiency in a Changing World Open
Global warming and associated precipitation changes will negatively impact on many agricultural ecosystems. Major food production areas are expected to experience reduced water availability and increased frequency of drought over the comin…
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Drought and host selection influence bacterial community dynamics in the grass root microbiome Open
Root endophytes have been shown to have important roles in determining host fitness under periods of drought stress, and yet the effect of drought on the broader root endosphere bacterial community remains largely uncharacterized. In this …
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Drought Stress Tolerance in Wheat and Barley: Advances in Physiology, Breeding and Genetics Research Open
Climate change is a major threat to most of the agricultural crops grown in tropical and sub-tropical areas globally. Drought stress is one of the consequences of climate change that has a negative impact on crop growth and yield. In the p…
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Drought Induced Changes in Growth, Osmolyte Accumulation and Antioxidant Metabolism of Three Maize Hybrids Open
Consequences of drought stress in crop production systems are perhaps more deleterious than other abiotic stresses under changing climatic scenarios. Regulations of physio-biochemical responses of plants under drought stress can be used as…
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The Impact of Drought in Plant Metabolism: How to Exploit Tolerance Mechanisms to Increase Crop Production Open
Plants are often exposed to unfavorable environmental conditions, for instance abiotic stresses, which dramatically alter distribution of plant species among ecological niches and limit the yields of crop species. Among these, drought stre…
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Rice with reduced stomatal density conserves water and has improved drought tolerance under future climate conditions Open
Summary Much of humanity relies on rice ( Oryza sativa ) as a food source, but cultivation is water intensive and the crop is vulnerable to drought and high temperatures. Under climate change, periods of reduced water availability and high…
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Physiological and biochemical changes during drought and recovery periods at tillering and jointing stages in wheat (Triticum aestivum L.) Open
Defining the metabolic strategies used by wheat to tolerate and recover from drought events will be important for ensuring yield stability in the future, but studies addressing this critical research topic are limited. To this end, the cur…
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The correlations and sequence of plant stomatal, hydraulic, and wilting responses to drought Open
Significance Many plant species face increasing drought under climate change, making plant drought tolerance integral to predicting species and ecosystem responses. Many physiology traits interact to determine overall drought tolerance, bu…
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The Physiological Basis of Drought Tolerance in Crop Plants: A Scenario-Dependent Probabilistic Approach Open
Drought tolerance involves mechanisms operating at different spatial and temporal scales, from rapid stomatal closure to maintenance of crop yield. We review how short-term mechanisms are controlled for stabilizing shoot water potential an…
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Early Flowering as a Drought Escape Mechanism in Plants: How Can It Aid Wheat Production? Open
Drought escape (DE) is a classical adaptive mechanism which involves rapid plant development to enable the completion of the full life-cycle prior to a coming drought event. This strategy is widely used in populations of native plants, and…
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Overexpression of a Stress-Responsive NAC Transcription Factor Gene ONAC022 Improves Drought and Salt Tolerance in Rice Open
The NAC transcription factors play critical roles in regulating stress responses in plants. However, the functions for many of the NAC family members in rice are yet to be identified. In the present study, a novel stress-responsive rice NA…
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Drought-Tolerant Plant Growth-Promoting Rhizobacteria Associated with Foxtail Millet in a Semi-arid Agroecosystem and Their Potential in Alleviating Drought Stress Open
The application of plant growth promoting rhizobacteria (PGPR) to agro-ecosystems is considered to have the potential for improving plant growth in extreme environments featured by water shortage. Herein, we isolated bacterial strains from…
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Mechanisms of Abscisic Acid-Mediated Drought Stress Responses in Plants Open
Drought is one of the major constraints to rain-fed agricultural production, especially under climate change conditions. Plants evolved an array of adaptive strategies that perceive stress stimuli and respond to these stress signals throug…
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Drought-responsive WRKY transcription factor genes TaWRKY1 and TaWRKY33 from wheat confer drought and/or heat resistance in Arabidopsis Open
The functional roles highlight the importance of WRKYs in stress response.
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Effect of Drought on Agronomic Traits of Rice and Wheat: A Meta-Analysis Open
Drought has been one of the most important limiting factors for crop production, which deleteriously affects food security worldwide. The main objective of the present study was to quantitatively assess the effect of drought on the agronom…
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Drought effect on plant biomass allocation: A meta‐analysis Open
Drought is one of the abiotic stresses controlling plant function and ecological stability. In the context of climate change, drought is predicted to occur more frequently in the future. Despite numerous attempts to clarify the overall eff…
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Reducing Stomatal Density in Barley Improves Drought Tolerance without Impacting on Yield Open
The epidermal patterning factor (EPF) family of secreted signaling peptides regulate the frequency of stomatal development in model dicot and basal land plant species. Here, we identify and manipulate the expression of a barley (Hordeum vu…
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A Nucleus-Localized Long Non-Coding RNA Enhances Drought and Salt Stress Tolerance Open
Long noncoding RNAs (lncRNAs) affect gene expression through a wide range of mechanisms and are considered as important regulators in many essential biological processes. A large number of lncRNA transcripts have been predicted or identifi…