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Plants
Special Issues
Physiological and Molecular Responses to Environmental Stress in Horticultural Plants
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Physiological and Molecular Responses to Environmental Stress in Horticultural Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Horticultural Science and Ornamental Plants".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 7563

Special Issue Editors

Dr. Kuan-Hung Lin

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Guest Editor
Department of Horticulture and Biotechnology, Chinese Culture University, Taipei 11114, Taiwan
Interests: stress physiology; plant breeding; horticultural biotechnology
Dr. Hsin-Hung Lin

E-Mail Website
Guest Editor
Department of Horticulture and Biotechnology, Chinese Culture University, Taipei 11114, Taiwan
Interests: olericulture; plant signal transduction; plant abiotic stress physiology; genetic engineering
Dr. Mariateresa Cardarelli

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Guest Editor
CREA-Centro di Ricerca Orticoltura e Florovivaismo, Pontecagnano Faiano, Italy
Interests: growth and quality of vegetable plants under different nutrient conditions or abiotic stress; studies on interactions between biostimulants and plants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Global climate changes affect ambient temperature, rainfall pattern, sea level rise, saltwater intrusion, increased drought and waterlogging periods, evapotranspiration, etc. These changes have compounded the effect of these stresses on horticultural crop productivity, and these stresses are involved in short- or long-term alterations of steady-state physiological activity. Some plants can cope with or are more tolerant to abiotic stress by molecular, biochemical mechanisms and to morphoanatomical changes and allow plants to overcome or adapt to stress conditions. Understanding the complexity of both molecular and physiological factors that contribute to stress tolerance in horticultural crops is essential to maintain the productivity and quality of these crops. In recent years, the molecular characterization of responses to abiotic stresses is growing, including whole genome analysis, identification and activation of key target genes, signaling molecules and transduction, biosynthetic pathways, secondary metabolites, phenotypic plasticity, omics, biotechnology, plant acclimation, marker-assisted breeding, and their contributions to tolerance to abiotic stresses. The integration of all possible efforts is needed to ameliorate the adverse effect of abiotic stresses in those important horticultural crops. This Special Issue welcomes recent articles related to all of the abovementioned areas. Multidisciplinary comparative studies are also welcome.

Dr. Kuan-Hung Lin
Dr. Hsin-Hung Lin
Dr. Mariateresa Cardarelli
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. 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

  • biosynthetic pathways
  • biotechnology
  • horticultural crops
  • abiotic stress stimuli
  • abiotic stress
  • stress-responsive genes
  • transgenic plants
  • salt stress
  • waterlogging stress
  • high-temperature stress
  • drought stress
  • selection index
  • physiological parameter
  • signal transduction
  • phenotypic plasticity

Published Papers (3 papers)

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16 pages, 16375 KiB  
Article
Identification of CAMTA Gene Family in Heimia myrtifolia and Expression Analysis under Drought Stress
by Liyuan Yang, Yu Zhao, Guozhe Zhang, Linxue Shang, Qun Wang, Sidan Hong, Qingqing Ma and Cuihua Gu
Plants 2022, 11(22), 3031; https://doi.org/10.3390/plants11223031 - 9 Nov 2022
Cited by 2 | Viewed by 1292
Abstract
Calmodulin-binding transcription factor (CAMTA) is an important component of plant hormone signal transduction, development, and drought resistance. Based on previous transcriptome data, drought resistance genes of the Heimia myrtifolia CAMTA transcription factor family were predicted in this study. The physicochemical characteristics of amino [...] Read more.
Calmodulin-binding transcription factor (CAMTA) is an important component of plant hormone signal transduction, development, and drought resistance. Based on previous transcriptome data, drought resistance genes of the Heimia myrtifolia CAMTA transcription factor family were predicted in this study. The physicochemical characteristics of amino acids, subcellular localization, transmembrane structure, GO enrichment, and expression patterns were also examined. The results revealed that H. myrtifolia has a total of ten members (HmCAMTA1~10). Phylogenetic tree analysis of the HmCAMTA gene family revealed four different branches. The amino acid composition of CAMTA from H. myrtifolia and Punica granatum was quite similar. In addition, qRT-PCR data showed that the expression levels of HmCAMTA1, HmCAMTA2, and HmCAMTA10 genes increased with the deepening of drought, and the peak values appeared in the T4 treatment. Therefore, it is speculated that the above four genes are involved in the response of H. myrtifolia to drought stress. Additionally, HmCAMTA gene expression was shown to be more abundant in roots and leaves than in other tissues according to tissue-specific expression patterns. This study can be used to learn more about the function of CAMTA family genes and the drought tolerance response mechanism in H. myrtifolia. Full article
(This article belongs to the Special Issue Physiological and Molecular Responses to Environmental Stress in Horticultural Plants)
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16 pages, 2505 KiB  
Article
Protective Effects of Salicylic Acid and Calcium Chloride on Sage Plants (Salvia officinalis L. and Salviaelegans Vahl) under High-Temperature Stress
by Kuan-Hung Lin, Tse-Yen Lin, Chun-Wei Wu and Yu-Sen Chang
Plants 2021, 10(10), 2110; https://doi.org/10.3390/plants10102110 - 5 Oct 2021
Cited by 9 | Viewed by 2282
Abstract
High-temperature stress is a major risk to fresh-market Salvia production, and heat intolerance is a major constraint in sage cultivation, particularly during the hot summer season. Previously, we investigated heat tolerance in five common-market cultivars of sage plants using leaf relative injury (RI) [...] Read more.
High-temperature stress is a major risk to fresh-market Salvia production, and heat intolerance is a major constraint in sage cultivation, particularly during the hot summer season. Previously, we investigated heat tolerance in five common-market cultivars of sage plants using leaf relative injury (RI) values and found that S. elegans Vahl (SE) and S. officinalis L. (SO) were the most and least heat-tolerant species, respectively. The exogenous applications of salicylic acid (SA) and calcium chloride (CaCl2) to alleviate heat stress in various species have been extensively studied, but reports of the effects of SA and CaCl2 treatments on the heat tolerance of sage plants are scarce. The objective of this study was to investigate how SA and CaCl2 affect the physiology and morphology of SE and SO plants under high-temperature conditions. Potted plants were pretreated with SA (0, 100, 200, 400, and 800 μM) and CaCl2 (0, 5, 10, and 15 mM), alone and combined, exposed to 55 °C and 80% humidity for 30 min, then placed in an environment-controlled chamber at 30 °C for three days and evaluated for changes in phenotypic appearance, RI, spectral reflectance, and chlorophyll fluorescence indices at different time intervals. Plants watered without chemical solutions were used as controls. Our results show that the growth of SO plants pretreated with SA and CaCl2 was more robust, compared with control plants, which were considerably affected by heat stress, resulting in brown, withered leaves and defoliation. The effects of the combined applications of SA (100 μM) and CaCl2 (5 mM) to SO plants were superior to control plants in increasing values of soil-plant analysis development (SPAD), normalized difference vegetation index (NDVI), and the maximal quantum yield of photosystemII photochemistry (Fv/Fm), while reducing RI%. Furthermore, SO plants exhibited higher SPAD and Fv/Fm values and lower RI% than SE plants in combined treatments at all time intervals after heat stress, implying that different genotypes displayed variations in their SPAD, Fv/Fm, and RI%. Thus, a combined treatment of 100 μM of SA and 5 mM of CaCl2 is effective and beneficial to plant appearance and ability to ameliorate heat stress. These indices can be used as indicators to characterize the physiology of these plants and applied on a commercial scale for informing the development of rapid and precise management practices on bedded sage plants grown in plant factories to achieve maximum market benefit. Full article
(This article belongs to the Special Issue Physiological and Molecular Responses to Environmental Stress in Horticultural Plants)
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27 pages, 5277 KiB  
Article
Response of Moringa oleifera Seeds and Fixed Oil Production to Vermicompost and NPK Fertilizers under Calcareous Soil Conditions
by Amira K. G. Atteya, Aishah N. Albalawi, Rasha S. El-Serafy, Khalil N. Albalawi, Hala M. Bayomy and Esmail A. E. Genaidy
Plants 2021, 10(10), 1998; https://doi.org/10.3390/plants10101998 - 24 Sep 2021
Cited by 15 | Viewed by 2901
Abstract
A shortages of soil nutrients resources and a lack of accessibility to them especially in calcareous soil are considered some of the main factors that limit plant production. In particular, the cultivation of the Moringa oleifera trees in this type of soil is [...] Read more.
A shortages of soil nutrients resources and a lack of accessibility to them especially in calcareous soil are considered some of the main factors that limit plant production. In particular, the cultivation of the Moringa oleifera trees in this type of soil is of special interest given the increasing demand for every part of this tree. Several studies have focused on the production of its leaves as an herbaceous plant and not as a tree, but there has not been extensive research on its pods, seeds, and fixed oil production. In this sense, in this study, we provide an assessment of the use of fertilizers, vermicompost and NPK (as traditional minerals and as nanoparticles), in order to improve pods, seeds, and fixed oil contents, as indicators of the quality of the production of the Moringa oleifera trees in calcareous soil conditions. In this experiment, it was observed that all parameters and the yield of pods, seeds, and fixed oil of the Moringa oleifera tree were significantly improved by increasing the level of vermicompost and using NPK fertilization and combination treatments in both seasons of the study. The combination treatments of 10 and 20 ton ha−1 vermicompost plus NPK control produced the highest percentage of oleic acid with insignificant differences between them. Full article
(This article belongs to the Special Issue Physiological and Molecular Responses to Environmental Stress in Horticultural Plants)
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