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Agronomic Approaches to Alleviating the Destructive Impacts of Abiotic Stress...
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Agronomic Approaches to Alleviating the Destructive Impacts of Abiotic Stress on Field Crops

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Crop Physiology and Crop Production".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 4234

Special Issue Editors

Dr. Babar Shahzad

grade E-Mail
Guest Editor
Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia
Interests: plant physiology; plant stress management; abiotic stress; oxidative stress; crop agronomy; sustainable agriculture
Dr. Mansour Elsayed

E-Mail Website
Guest Editor
Department of Crop Science, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt
Interests: resilience to climate change; tolerance to abiotic stresses; agricultural water management; plant breeding; genetic diversity; crop improvement; quantitative genetics; phenotyping
Prof. Dr. S. E. El-Hendawy

E-Mail Website
Guest Editor
Department of Plant Production, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
Interests: soil and water conservation; agronomy; plant breeding; drip irrigation; salinity; plant physiology; salt tolerance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue will cover studies reporting the responses of field crops in terms of growth, yield, and quality to agronomical strategies and the role of the latter in mitigating the negative impacts of environmental stresses against the background of abrupt global climate change.

The changes in the global climate are causing considerable fluctuations in various variables, such as temperature, precipitation, humidity, and solar radiation. Such shifts contribute greatly to environmental stress exposure in plants, and they are projected to become more frequent and severe. Abiotic stresses devastatingly impact the growth and production of all field crops, posing tremendous constraints to sustainable agriculture. Thus, it is crucial we find novel approaches to ameliorating the stress tolerance of field crops. Agronomic management practices can be employed to attenuate the detrimental impacts of abiotic stresses. These approaches can sustain crop production under a changing climate and rapidly growing global population.

Agronomic practices could effectively aid in alleviating the adversative impact of abiotic stresses such as drought, waterlogging, high temperature, frost, salinity, and heavy metals. Exogenously foliar applications, soil amendments, seed soaking, and other various agronomic practices have considerable potential in this regard.

This Special Issue aims to collate a variety of papers demonstrating agronomic approaches that could be applied to mitigate the adverse impacts of abiotic stresses. Topics of interest include, but are not limited to the following:

  • Exogenously foliar application using plant extracts, antioxidants, nanoparticles, or any other biostimulant;
  • Seed soaking;
  • Soil amendments;
  • Microorganism treatment;
  • Screening a large number of genotypes under environmental stresses to identify tolerant genotypes;
  • Multi-environment trials to identify stable, high-yielding, and adapted genotypes;
  • Other related subjects.

Dr. Babar Shahzad
Dr. Mansour Elsayed
Prof. Dr. S. E. El-Hendawy
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • climate change
  • abiotic stresses
  • field crops
  • novel agronomic approaches
  • sustainable agriculture

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Published Papers (3 papers)

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Research

15 pages, 1379 KiB  
Article
Enhancing Corn (Zea mays L.) Productivity under Varying Water Regimes with At-Plant Application of Xyway Fungicide
by Isha Poudel and Avat Shekoofa
Plants 2024, 13(17), 2401; https://doi.org/10.3390/plants13172401 - 28 Aug 2024
Viewed by 771
Abstract
A fungicide’s ingredients can play a physiological role in crop water-management decisions. Our greenhouse study in 2021 demonstrated that Xyway LFR@FMC at-plant fungicide can significantly improve water-saving potential in corn. In 2022 and 2023, a field study was conducted to validate this [...] Read more.
A fungicide’s ingredients can play a physiological role in crop water-management decisions. Our greenhouse study in 2021 demonstrated that Xyway LFR@FMC at-plant fungicide can significantly improve water-saving potential in corn. In 2022 and 2023, a field study was conducted to validate this finding. The 1.11 L ha−1 of Xyway LFR@FMC and no-fungicide/check were the main plot effects. Three water regimes, high (HI) and low (LO) numbers of irrigation events and rainfed (RF), were the subplot effect. Plants treated with Xyway LFR@FMC had significantly higher plant height, stem diameter, and leaf water potential (LWP), and had 11.9, 13.4, and 18.3% higher yield under RF, LO, and HI, respectively, in 2022. In 2023, there were no significant differences for the yield components and growth parameters when the combined effect of fungicide treatments and water regimes was considered. However, plants treated with the fungicide had a higher number of rows per ear, kernel number per row, and cob diameter compared to the check. There was no significant separation for yield among the water regimes in 2023, but the crop yield was overall higher for the fungicide-treated plots. Our results indicate that Xyway LFR@FMC fungicide has the potential to improve plant growth and protect the yield when limited water is applied. Full article
(This article belongs to the Special Issue Agronomic Approaches to Alleviating the Destructive Impacts of Abiotic Stress on Field Crops)
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20 pages, 1086 KiB  
Article
Enhancing Wheat Growth, Physiology, Yield, and Water Use Efficiency under Deficit Irrigation by Integrating Foliar Application of Salicylic Acid and Nutrients at Critical Growth Stages
by Salah El-Hendawy, Nabil Mohammed and Nasser Al-Suhaibani
Plants 2024, 13(11), 1490; https://doi.org/10.3390/plants13111490 - 28 May 2024
Cited by 1 | Viewed by 1499
Abstract
Transitioning from full to deficit irrigation (DI) has become a key strategy in arid regions to combat water scarcity and enhance irrigation water use efficiency (IWUE). However, implementing DI requires additional approaches to counter its negative effects on wheat production. One effective approach [...] Read more.
Transitioning from full to deficit irrigation (DI) has become a key strategy in arid regions to combat water scarcity and enhance irrigation water use efficiency (IWUE). However, implementing DI requires additional approaches to counter its negative effects on wheat production. One effective approach is the foliar application of salicylic acid (SA), micronutrients (Mic; zinc and manganese), and macronutrients (Mac; nitrogen, phosphorus, and potassium). However, there is a lack of knowledge on the optimal combinations and timing of foliar application for these components to maximize their benefits under arid conditions, which is the primary focus of this study. A two-year field study was conducted to assess the impact of the foliar application of SA alone and in combination with Mic (SA + Mic) or Mic and Mac (SA + Mic + Mac) at various critical growth stages on wheat growth, physiology, productivity, and IWUE under DI conditions. Our result demonstrated that the foliar application of different components, the timing of application, and their interaction had significant effects on all investigated wheat parameters with few exceptions. Applying different components through foliar application at multiple growth stages, such as tillering and heading or tillering, heading, and grain filling, led to significant enhancements in various wheat parameters. The improvements ranged from 7.7% to 23.2% for growth parameters, 8.7% to 24.0% for physiological traits, 1.4% to 21.0% for yield and yield components, and 14.8% to 19.0% for IWUE compared to applying the components only at the tillering stage. Plants treated with different components (SA, Mic, Mac) exhibited enhanced growth, production, and IWUE in wheat compared to untreated plants. The most effective treatment was SA + Mic, followed by SA alone and SA + Mic + Mac. The foliar application of SA, SA + Mic, and SA + Mic + Mac improved growth parameters by 1.2–50.8%, 2.7–54.6%, and 2.5–43.9%, respectively. Yield parameters were also enhanced by 1.3–33.0%, 2.4–37.2%, and 3.0–26.6% while IWUE increased by 28.6%, 33.0%, and 18.5% compared to untreated plants. A heatmap analysis revealed that the foliar application of SA + Mic at multiple growth stages resulted in the highest values for all parameters, followed by SA alone and SA + Mic + Mac applications at multiple growth stages. The lowest values were observed in untreated plants and with the foliar application of different components only at the tillering stage. Thus, this study suggested that the foliar application of SA + Mic at various growth stages can help sustain wheat production in arid regions with limited water resources. Full article
(This article belongs to the Special Issue Agronomic Approaches to Alleviating the Destructive Impacts of Abiotic Stress on Field Crops)
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20 pages, 5365 KiB  
Article
Deciphering Winter Sprouting Potential of Erianthus procerus Derived Sugarcane Hybrids under Subtropical Climates
by Mintu Ram Meena, K. Mohanraj, Ravinder Kumar, Raja Arun Kumar, Manohar Lal Chhabra, Neeraj Kulshreshtha, Gopalareddy Krishnappa, H. K. Mahadeva Swamy, A. Suganya, Perumal Govindaraj and Govind Hemaprabha
Plants 2024, 13(7), 1023; https://doi.org/10.3390/plants13071023 - 3 Apr 2024
Viewed by 1332
Abstract
Winter sprouting potential and red rot resistance are two key parameters for successful sugarcane breeding in the subtropics. However, the cultivated sugarcane hybrids had a narrow genetic base; hence, the present study was planned to evaluate the Erianthus procerus genome introgressed Saccharum hybrids [...] Read more.
Winter sprouting potential and red rot resistance are two key parameters for successful sugarcane breeding in the subtropics. However, the cultivated sugarcane hybrids had a narrow genetic base; hence, the present study was planned to evaluate the Erianthus procerus genome introgressed Saccharum hybrids for their ratooning potential under subtropical climates and red rot tolerance under tropical and subtropical climates. A set of 15 Erianthus procerus derived hybrids confirmed through the 5S rDNA marker, along with five check varieties, were evaluated for agro-morphological, quality, and physiological traits for two years (2018–2019 and 2019–2020) and winter sprouting potential for three years (2018–2019, 2019–2020, and 2020–2021). The experimental material was also tested against the most prevalent isolates of the red rot pathogen in tropical (Cf671 and Cf671 + Cf9401) and subtropical regions (Cf08 and Cf09). The E. procerus hybrid GU 12—19 had the highest winter sprouting potential, with a winter sprouting index (WSI) of 10.6, followed by GU 12—22 with a WSI of 8.5. The other top-performing hybrids were as follows: GU 12—21 and GU 12—29 with a WSI of 7.2 and 6.9, respectively. A set of nine E. procerus-derived hybrids, i.e., GU04 (28) EO—2, GU12—19, GU12—21, GU12—22, GU12—23, GU12—26, GU12—27, GU12—30, and GU12—31, were resistant to the most prevalent isolates of red rot in both tropical and subtropical conditions. The association analysis revealed significant correlations between the various traits, particularly the fibre content, with a maximum number of associations, which indicates its multifaceted impact on sugarcane characteristics. Principal component analysis (PCA) summarised the data, explaining 57.6% of the total variation for the measured traits and genotypes, providing valuable insights into the performance and characteristics of the Erianthus procerus derived hybrids under subtropical climates. The anthocyanin content of Erianthus procerus hybrids was better than the check varieties, ranging from 0.123 to 0.179 (2018–2019) and 0.111 to 0.172 (2019–2020); anthocyanin plays a vital role in mitigating cold injury, acting as an antioxidant in cool weather conditions, particularly in sugarcane. Seven hybrids recorded a more than 22% fibre threshold, indicating their industrial potential. These hybrids could serve as potential donors for cold tolerance and a high ratooning ability, along with red rot resistance, under subtropical climates. Full article
(This article belongs to the Special Issue Agronomic Approaches to Alleviating the Destructive Impacts of Abiotic Stress on Field Crops)
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