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 874

Special Issue Editors


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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

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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

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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
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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

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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

Published Papers (1 paper)

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Research

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 - 03 Apr 2024
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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
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