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Carbon Management during Plant Acclimation to Abiotic Stresses
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Carbon Management during Plant Acclimation to Abiotic Stresses

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: 31 August 2024 | Viewed by 734

Special Issue Editor

Dr. Valentino Casolo

E-Mail Website
Guest Editor
Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy
Interests: plant physiology and applied plant biology; plant response to abiotic stresses
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Ongoing climate change researchers are facing significant challenges to reveal the mechanistic response of plants in terms of morphological, anatomical, and physiological acclimation to stress. Filling this knowledge gap could help breeders to promote crops varieties that can tolerate heat waves, drought or waterlogging events and farmers to implement more sustainable agriculture management. Furthermore, this could help governments to improve biodiversity conservation and restoration programs.

Plant responses to abiotic stresses depend on carbohydrate availability in terms of energy, osmotic requirements and C skeletons for metabolic pathways. For this reason, it is globally accepted that non-structural carbohydrates (NSC) play a key role during stress and recovery. However, the mechanistic processes explaining how non-structural carbohydrates play such a role are far from being deeply understood. Since the decoupling of C assimilation and growth has already been observed during abiotic stress, a second pivotal field of investigation is the carbon interplay between growth and stress response.

For these reasons, in this Special Issue, I wish to collect both experimental and modelling articles from the molecular to the ecological level, in order to depict plant carbon balance and investigate the role of plant non-structural carbohydrates, in response to abiotic stresses.

Dr. Valentino Casolo
Guest Editor

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

  • carbon balance
  • non-structural carbohydrates
  • drought
  • chilling
  • waterlogging
  • salt stress
  • plant growth

Published Papers (1 paper)

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Research

13 pages, 977 KiB  
Article
The Effect of Water Availability on the Carbon Content of Grain and Above- and Belowground Residues in Common and Einkorn Wheat
by Ivana Raimanova, Pavel Svoboda, Michal Moulik, Jana Wollnerova and Jan Haberle
Plants 2024, 13(2), 181; https://doi.org/10.3390/plants13020181 - 9 Jan 2024
Viewed by 572
Abstract
The carbon (C) fixed by crops, which is exported with harvest and retained as postharvest residues in a field, is important for calculating the C balance. The aim of this study was to determine the effect of water availability on the C content [...] Read more.
The carbon (C) fixed by crops, which is exported with harvest and retained as postharvest residues in a field, is important for calculating the C balance. The aim of this study was to determine the effect of water availability on the C content in whole wheat plants. In a three-year field trial, the weights of grain, straw, chaff, stubble, and roots of two cultivars of winter wheat (Triticum aestivum L.) and one cultivar of einkorn wheat (Triticum monococcum L.) and their carbon contents were determined in water stress, irrigation, and rain-fed control treatments. The water availability, year, and cultivar had a significant influence on the C content in aboveground plant parts, but the effect of water on grain C was weak. The C content decreased with irrigation and increased with drought, but the differences were small (at most, 3.39% in chaff). On average, the C contents of grain, straw, chaff, and roots reached 45.0, 45.7, 42.6, and 34.9%, respectively. The amount of C exported with grain and left on the field in the form of postharvest residues depended on the weight of the total biomass and the ratio of grain to straw and residue. Whole plant C yield reached 8.99, 7.46, and 9.65 t ha−1 in rain-fed control, stressed, and irrigated treatments, respectively, and 8.91, 9.45, and 7.47 t ha−1 in Artix, Butterfly, and Rumona, respectively. Irrigation significantly increased the C content in grain and straw (but not in chaff, stubble, and roots) in comparison with water shortage conditions. On average, a grain yield of 1 t ha−1 corresponded to an average export of 0.447–0.454 t C ha−1 in the grain of all cultivars and inputs of 0.721, 0.832, and 2.207 t C ha−1 of residue to the soil in the form of straw and postharvest residue in the two cultivars of common wheat and one of einkorn. The results of the study provided reliable data for the calculation of the C balance of wheat under conditions of different water availability. Full article
(This article belongs to the Special Issue Carbon Management during Plant Acclimation to Abiotic Stresses)
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