Physiological and Genetic Responses of Crops to Abiotic Stress

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1309

Special Issue Editors


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Guest Editor
Faculty of Agriculture, Life and Environmental Sciences, 2-06 Agriculture-Forestry Centre, University of Alberta, Edmonton, AB T6G 2P5, Canada
Interests: plant breeding; abiotic stress; water use efficiency; bio stimulants; plant breeding and pre-breeding; freezing tolerance; crop physiology; sensor-based plant phenotyping; plant adaptability
InnoTech Alberta, Hwy 16A & 75 Street, P.O Box 4000, Vegreville, AB T9C 1T4, Canada
Interests: agronomy; diversification; physiology of abiotic stresses
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Special Issue Information

Dear Colleagues,

The physiological challenges posed by seasonal variations in extreme temperatures, excessive or inadequate water and nutrient limitations, and low soil pH are the major stresses affecting crop establishment, yield and grain quality for most major crops. These stresses are often interrelated or in conjunction with each other. Although considerable physiological work has shown that the traits conferring tolerance to these stressors are not lasting, they are frequently treated as such.

Physiological responses of plants to abiotic stresses have been well-established, providing promising insights into the methods for the induction of tolerance, leading to the development of tolerant crops. 

This Special Issue will focus on the physiological and genetic mechanisms of plant responses to extreme temperatures, drought, salinity, water use efficiency, low soil pH, heavy metal stress and nutrient limitations of crop varieties. This Special Issue will highlight the role of high-throughput phenotyping and genomics in the adaption of crops to abiotic stress and its possible applications in breeding climate-resilient crop varieties. We welcome the submission of all types of articles, such as original research and review papers.

Dr. Ludovic Joseph Anatole Capo-Chichi
Dr. Jan Slaski
Guest Editors

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Keywords

  • abiotic stresses
  • genomics
  • genetic variation
  • high-throughput phenotyping
  • adaptation
  • climate resiliency

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Published Papers (1 paper)

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Research

16 pages, 3165 KiB  
Article
Morpho-Physiological Traits and Oil Quality in Drought-Tolerant Raphanus sativus L. Used for Biofuel Production
by Luciana Minervina de Freitas Moura, Alan Carlos da Costa, Caroline Müller, Robson de Oliveira Silva-Filho, Gabriel Martins Almeida, Adinan Alves da Silva, Elivane Salete Capellesso, Fernando Nobre Cunha and Marconi Batista Teixeira
Plants 2024, 13(12), 1583; https://doi.org/10.3390/plants13121583 - 7 Jun 2024
Viewed by 860
Abstract
Raphanus sativus L. is a potential source of raw material for biodiesel fuel due to the high oil content in its grains. In Brazil, this species is cultivated in the low rainfall off-season, which limits the productivity of the crop. The present study [...] Read more.
Raphanus sativus L. is a potential source of raw material for biodiesel fuel due to the high oil content in its grains. In Brazil, this species is cultivated in the low rainfall off-season, which limits the productivity of the crop. The present study investigated the effects of water restriction on the physiological and biochemical responses, production components, and oil quality of R. sativus at different development stages. The treatments consisted of 100% water replacement (control), 66%, and 33% of field capacity during the phenological stages of vegetative growth, flowering, and grain filling. We evaluated characteristics of water relations, gas exchange, chlorophyll a fluorescence, chloroplast pigment, proline, and sugar content. The production components and chemical properties of the oil were also determined at the end of the harvest cycle. Drought tolerance of R. sativus was found to be mediated primarily during the vegetative growth stage by changes in photosynthetic metabolism, stability of photochemical efficiency, increased proline concentrations, and maintenance of tissue hydration. Grain filling was most sensitive to water limitation and showed a reduction in yield and oil content. However, the chemical composition of the oil was not altered by the water deficit. Our data suggest that R. sativus is a drought-tolerant species. Full article
(This article belongs to the Special Issue Physiological and Genetic Responses of Crops to Abiotic Stress)
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