Advances in Wheat Physiology and Stress Resistance

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

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 2222

Special Issue Editor


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Guest Editor
Department of Small Cereal Crops Breeding and Genetics, Agricultural Institute Osijek, Juzno Predgradje 17, 31000 Osijek, Croatia
Interests: cereal crops; wheat breeding; crop genetics; plant nutrition; biofortfication
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Special Issue Information

Dear Colleagues,

Increasing global food insecurity has already started, in large part due to climate change that has contributed to increased biotic and abiotic stress posing a great threat to wheat production over the globe. Thus, the production of wheat crops varies by country and region where fungal diseases hinder the potential grain yield performance to a huge extent. In addition, climate change contributes to increased abiotic stress that encompasses higher temperatures, water scarcity, droughts, floods, and greater CO2 concentrations in the atmosphere. Biotic and abiotic stresses affect wheat development and trigger different morphological, physiological, biochemical, and molecular changes.

 This Special Issue aims to bring the latest achievements on stresses in wheat plants, including the physiology of stress resistance, resistance mechanisms, and host‒pathogen interactions. Original research, reviews, and opinions on recent advances in strategies for the control of stress in plants are also welcome.

Dr. Valentina Španič
Guest Editor

Manuscript Submission Information

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Keywords

  • stresses
  • resistance breeding
  • host‒pathogen interactions
  • physiology
  • wheat

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Published Papers (1 paper)

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Research

20 pages, 3698 KiB  
Article
Fusarium Head Blight Infection Induced Responses of Six Winter Wheat Varieties in Ascorbate–Glutathione Pathway, Photosynthetic Efficiency and Stress Hormones
by Katarina Sunic, Lidija Brkljacic, Rosemary Vukovic, Zorana Katanic, Branka Salopek-Sondi and Valentina Spanic
Plants 2023, 12(21), 3720; https://doi.org/10.3390/plants12213720 - 30 Oct 2023
Cited by 5 | Viewed by 1577
Abstract
Fusarium head blight (FHB) is one of the most studied fungal diseases of wheat, causing massive grain yield and quality losses. This study aimed to extend previous studies on the physiological and biochemical responses of winter wheat to FHB stress in a controlled [...] Read more.
Fusarium head blight (FHB) is one of the most studied fungal diseases of wheat, causing massive grain yield and quality losses. This study aimed to extend previous studies on the physiological and biochemical responses of winter wheat to FHB stress in a controlled environment by focusing on the ascorbate-glutathione pathway (AsA-GSH), photosynthetic efficiency, and stress hormone levels, thus providing insight into the possible interactions of different defense mechanisms during infection. The activity of AsA-GSH metabolism was increased in FHB resistant varieties, maintaining the redox state of spikes, and consequently preserving functional photosystem II. Furthermore, carotenoids (Car) were shown to be the major pigments in the photosystem assembly, as they decreased in FHB-stressed spikes of resistant and moderately resistant varieties, compared to controls. Car are also the substrate for the synthesis of abscisic acid (ABA), which acts as a fungal effector and its elevated content leads to increased FHB susceptibility in inoculated spikes. The results of this study contributed to the knowledge of FHB resistance mechanisms and can be used to improve the breeding of FHB resistant varieties, which is considered to be the most effective control measure. Full article
(This article belongs to the Special Issue Advances in Wheat Physiology and Stress Resistance)
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