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Horticulturae
Special Issues
Tolerance of Horticultural Plants to Abiotic Stresses
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Tolerance of Horticultural Plants to Abiotic Stresses

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Biotic and Abiotic Stress".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1966

Special Issue Editors

Dr. Toshik Iarley Da Silva

E-Mail Website1 Website2
Guest Editor
Center for Agricultural, Environmental, and Biological Sciences, Federal University of Recôncavo of Bahia—UFRB, Campus Universitário, Cruz das Almas 44380-000, Brazil
Interests: plant physiology; abiotic stresses; salt and droght stress tolerance; phytohormones; antioxidant system enzymes; reactive oxygen species; biostimulants; horticulture; vegetables; edible flowers
Dr. Alexandre Maniçoba da Rosa Ferraz Jardim

E-Mail Website
Guest Editor
Department of Biodiversity, Institute of Biosciences, São Paulo State University-UNESP, Av. 24A, 1515, Rio Claro 13506-900, São Paulo, Brazil
Interests: abiotic stresses; salinity; physiological and biochemical changes in plants; salt stress tolerance; reactive oxygen species (ROS); ion homeostasis; ion toxicity; agricultural challenges in arid and semi-arid regions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The capacity of horticultural plants to endure abiotic stresses, such as drought, salinity, extreme temperatures, and heavy metal contamination, is vital for sustaining growth and optimizing productivity. These stressors trigger profound physiological and metabolic alterations that adversely affect plant development, yield, and quality. Central tolerance mechanisms, including osmoprotectant accumulation, heightened antioxidant enzyme activity, and ion transport regulation, serve to alleviate stress-induced damage. Moreover, plant hormones, fertilizers, and biostimulants are instrumental in enhancing stress resilience. Recent advances in genomics and metabolomics provide promising strategies for breeding and cultivating stress-tolerant horticultural crops. Investigating the physiological, molecular, and genetic responses of plants to abiotic stresses is imperative for fortifying their resilience and ensuring sustainable productivity. Given the increasing frequency of extreme conditions such as drought, heat, and salinity due to climate change, research in horticultural plant stress tolerance is indispensable for developing resilient crops, safeguarding food security, and advancing sustainable agricultural practices in an evolving environment.

Dr. Toshik Iarley Da Silva
Dr. Alexandre Maniçoba da Rosa Ferraz Jardim
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. Horticulturae 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 2200 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 changes
  • physiological and biochemical changes in plants
  • stress signaling
  • plant hormones
  • biostimulants
  • breeding

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Published Papers (2 papers)

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Research

16 pages, 5061 KiB  
Article
Genome-Wide Identification of the CIPK Gene Family in Jasmine and Expression Analysis Under Salt Stress
by Shuang Zhang, Xin Huang, Lili Yin, Jiawei Li, Jiacan Xu and Ruigang Wu
Horticulturae 2025, 11(1), 40; https://doi.org/10.3390/horticulturae11010040 - 4 Jan 2025
Viewed by 534
Abstract
Various CBL-interacting protein kinases (CIPKs) are involved in abiotic stress responses in plants. Despite the economic importance of jasmine (Jasminum sambac L. Aiton) and the availability of genome data, there are few reports analyzing the CIPK gene family. In this study, genome-wide [...] Read more.
Various CBL-interacting protein kinases (CIPKs) are involved in abiotic stress responses in plants. Despite the economic importance of jasmine (Jasminum sambac L. Aiton) and the availability of genome data, there are few reports analyzing the CIPK gene family. In this study, genome-wide identification of the CIPK gene family in jasmine was conducted, which would provide valuable information for the function analysis of JsCIPKs regarding participation in growth and development and response to salt stress. In the present study, a total of 17 CIPKs were identified, which were unevenly distributed on eight chromosomes. The JsCIPK protein sequences contained 311–781 amino acids, with a molecular weight of 35.05–87.58 kDa. Phylogenetic analysis revealed that the 17 JsCIPKs could be divided into five classical branches. JsCIPK genes with higher homology showed greater similarity between conserved protein motifs. Collinearity analysis demonstrated that 13 gene pairs in Arabidopsis were collinear with the jasmine sequences. Various hormone-related response- and stress-induced elements were observed in the promoter region of JsCIPK genes, such as TC-rich repeats, CARE, etc. Furthermore, the expression of JsCIPK genes varied in different organs. Finally, the expression analyses of eight JsCIPKs under salt stress were performed. A systematic analysis of the CIPK gene family and the effect of salt stress on the expression of eight JsCIPK genes in leaves of jasmine was carried out. The expression of JsCIPK6 and JsCIPK8 was significantly down-regulated and up-regulated by salt treatment, respectively. These findings would lay a foundation for future functional studies of these two genes in jasmine related to salt stress and provide useful resistance genes for the molecular breeding of new varieties of salt-tolerant jasmine. Full article
(This article belongs to the Special Issue Tolerance of Horticultural Plants to Abiotic Stresses)
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17 pages, 2332 KiB  
Article
The Role of Brassinosteroids and Nano-Encapsulated Brassinosteroids in Capsicum Pepper Growth and Physiological Adaptations to High-Temperature Stress
by Behnaz Halaji, Maryam Haghighi, Gergő Péter Kovács, Iman Mirmazloum and Anita Szegő
Horticulturae 2024, 10(10), 1062; https://doi.org/10.3390/horticulturae10101062 - 4 Oct 2024
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Abstract
Much is unknown about the positive effect of plant growth regulators, such as brassinosteroids, on high-temperature stress tolerance in pepper plants. This study aimed to reveal the effect of exogenous brassinosteroids (BRs) on high-temperature-stressed bell peppers by foliar application. BR treatments (1 µM), [...] Read more.
Much is unknown about the positive effect of plant growth regulators, such as brassinosteroids, on high-temperature stress tolerance in pepper plants. This study aimed to reveal the effect of exogenous brassinosteroids (BRs) on high-temperature-stressed bell peppers by foliar application. BR treatments (1 µM), in both bulk (Br) and nano-encapsulated (N-Br) forms, were applied to pepper plants subjected to high-temperature stress (35 °C). The results indicated an increase in plant biomass, number of fruits, and relative water content and a significantly lower flower abscission in response to Br and N-Br under high temperatures. Br and N-Br applications at high temperatures resulted in the lowest leaf water potential. Br and N-Br, especially N-Br, were more effective than Br in the upregulation of the antioxidant enzyme activity, such as catalase (CAT), superoxide dismutase (SOD), peroxidase (POD), and the overall antioxidant capacity of heat-stressed plants. MDA and electrolyte leakage significantly declined as a result of BR application and the proline content of the leaves was significantly higher in Br and N-Br treatments at high temperatures. Further analysis of the data pointed to SOD, DPPH, proline, RWC, and leaf water potential in pepper leaves as the most affected traits in response to brassinosteroid application under high temperature. Glucose and fructose levels also increased under high temperature, and only N-Br administration showed a significant effect on reducing the sugar levels. At high temperatures, the ratio of saturated to unsaturated fatty acids was greatest when neither Br nor N-Br was present. N-Br could reduce this ratio effectively. Conclusively, the overall performance of bell pepper improved in response to both types of BR application with no significant discrimination being found to prioritize the encapsulated form of BR application. Full article
(This article belongs to the Special Issue Tolerance of Horticultural Plants to Abiotic Stresses)
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