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Agronomy
Special Issues
Functional Metabolism in Crops/Agronomy-Series Ⅱ
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Functional Metabolism in Crops/Agronomy-Series Ⅱ

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 7719

Special Issue Editors

Prof. Dr. José M. Palma

E-Mail Website
Guest Editor
Department of Stress, Development and Signaling in Plants, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, 18008 Granada, Spain
Interests: fruit and vegetable antioxidants; reactive oxygen and nitrogen species; fruit ripening; transcriptomics; proteomics; metabolomics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Francisco J. Corpas

E-Mail Website
Guest Editor
Department of Stress, Development and Signaling in Plants, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, 18008 Granada, Spain
Interests: nitric oxide metabolism; signaling processes; fruit physiology; abiotic stress in crop species; ROS and RNS metabolism; melatonin; hydrogen sulfide; antioxidants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The journal Agronomy (ISSN 2073-4395, IF 2,259) launches the 2nd Edition of the Special Issue entitled "Functional Metabolism in Crops/Agronomy". Hence, Agronomy is currently inviting submissions for such Issue, where Prof. Dr. José M. Palma (Estación Experimental del Zaidín, CSIC, Granada, Spain) is serving as Guest Editor for this issue.

Based on your expertise in this field, we think you could make an excellent contribution of either evidence-based original research or a review of the scientific literature.

Since the initial years of Agriculture in the Neolithic, man has been always aware of the crop benefits for health. Thus, the search for new and more nutritive agro produce has been the target for human communities and, accordingly, breeding strategies have been developed in search of novel species and varieties destined to human consume. From the early contributions in Old Persian, Egyptian and Greek cultures till the present days, the agricultural science has evolved enormously. From the simple description of natural compounds contained in our crops, as it has been made till recent years, research nowadays seeks for thus far unreported functional molecules which contribute to maintaining and improving our health status, but also to understand how plants cope against unfavorable conditions promoted by different agents such as salinity, drought, flooding, cold, heavy metals, pathogens, and others.

Prof. Dr. José Palma
Prof. Dr. Francisco Corpas
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. Agronomy is an international peer-reviewed open access monthly 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 2600 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

  • Crop culture
  • Fruit metabolism
  • Fruit genomics
  • Fruit proteomics
  • Fruit metabolomics
  • Functional crops
  • Plant Stress

 

Published Papers (2 papers)

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Research

11 pages, 2446 KiB  
Article
Silicon Alleviates Temperature Stresses in Poinsettia by Regulating Stomata, Photosynthesis, and Oxidative Damages
by Jiangtao Hu, Yali Li and Byoung Ryong Jeong
Agronomy 2020, 10(9), 1419; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy10091419 - 18 Sep 2020
Cited by 25 | Viewed by 3351
Abstract
The effects of silicon (Si) on temperature stresses were investigated in poinsettia. Well-rooted cuttings supplemented with and without Si were exposed to 40 °C, and plants treated with or without Si during cutting propagation and cultivation were subjected to 4 °C. The results [...] Read more.
The effects of silicon (Si) on temperature stresses were investigated in poinsettia. Well-rooted cuttings supplemented with and without Si were exposed to 40 °C, and plants treated with or without Si during cutting propagation and cultivation were subjected to 4 °C. The results showed that almost all the stomata of cuttings without Si supplementation were closed, while some of them were still open in cuttings supplemented with Si under a high temperature stress. However, Si was not able to alleviate stomatal closure of poinsettia under low temperature stress. The increased epicuticular wax might contribute to enhanced resistance of poinsettia to low temperature stresses. In addition, poinsettia maintained a higher photosynthetic rate and lower malonaldehyde and hydrogen sulfide concentrations when supplemented with Si under high and low temperature stresses, which might contribute to lower APX activities. Overall, temperature stresses had negative impacts on the physiological characteristics of poinsettia, while Si could alleviate some effects of temperature stresses. Full article
(This article belongs to the Special Issue Functional Metabolism in Crops/Agronomy-Series Ⅱ)
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19 pages, 2921 KiB  
Article
Reactive Oxygen Species (ROS) Metabolism and Nitric Oxide (NO) Content in Roots and Shoots of Rice (Oryza sativa L.) Plants under Arsenic-Induced Stress
by Ernestina Solórzano, Francisco J. Corpas, Salvador González-Gordo and José M. Palma
Agronomy 2020, 10(7), 1014; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy10071014 - 14 Jul 2020
Cited by 25 | Viewed by 3714
Abstract
Arsenic (As) is a highly toxic metalloid for all forms of life including plants. Rice is the main food source for different countries worldwide, although it can take up high amounts of As in comparison with other crops, showing toxic profiles such as [...] Read more.
Arsenic (As) is a highly toxic metalloid for all forms of life including plants. Rice is the main food source for different countries worldwide, although it can take up high amounts of As in comparison with other crops, showing toxic profiles such as decreases in plant growth and yield. The induction of oxidative stress is the main process underlying arsenic toxicity in plants, including rice, due to an alteration of the reactive oxygen species (ROS) metabolism. The aim of this work was to gain better knowledge on how the ROS metabolism and its interaction with nitric oxide (NO) operate under As stress conditions in rice plants. Thus, physiological and ROS-related biochemical parameters in roots and shoots from rice (Oryza sativa L.) were studied under 50 μM arsenate (AsV) stress, and the involvement of the main antioxidative systems and NO in the response of plants to those conditions was investigated. A decrease of 51% in root length and 27% in plant biomass was observed with 50 μM AsV treatment, as compared to control plants. The results of the activity of superoxide dismutase (SOD) isozymes, catalase, peroxidase (POD: total and isoenzymatic), and the enzymes of the ascorbate–glutathione cycle, besides the ascorbate and glutathione contents, showed that As accumulation provoked an overall significant increase of most of them, but with different profiles depending on the plant organ, either root or shoot. Among the seven identified POD isozymes, the induction of the POD-3 in shoots under As stress could help to maintain the hydrogen peroxide (H2O2) redox homeostasis and compensate the loss of the ascorbate peroxidase (APX) activity in both roots and shoots. Lipid peroxidation was slightly increased in roots and shoots from As-treated plants. The H2O2 and NO contents were enhanced in roots and shoots against arsenic stress. In spite of the increase of most antioxidative systems, a mild oxidative stress situation appears to be consolidated overall, since the growth parameters and those from the oxidative damage could not be totally counteracted. In these conditions, the higher levels of H2O2 and NO suggest that signaling events are simultaneously occurring in the whole plant. Full article
(This article belongs to the Special Issue Functional Metabolism in Crops/Agronomy-Series Ⅱ)
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