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Horticulturae
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Temperature Stress (Heat and Cold): Response, Mitigation and Tolerance in...
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Temperature Stress (Heat and Cold): Response, Mitigation and Tolerance in Horticultural Plants

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

Deadline for manuscript submissions: closed (15 August 2023) | Viewed by 3662

Special Issue Editors

Prof. Dr. Zhiwei Wang

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Guest Editor
School of Horticulture, Hainan University, Haikou 570228, China
Interests: abiotic stress; plant physiology; salinity; heavy metal; nutrition; micronutrients; antioxidants; phytohormone; heat stress; oxidative stress; reactive oxygen species; reactive nitrogen species; membrane biology; starch physiology
Special Issues, Collections and Topics in MDPI journals
Dr. Muhammad Ahsan Altaf

E-Mail Website
Guest Editor
School of Horticulture, Hainan University, Haikou 570228, China
Interests: abiotic stress; heat stress; cold stress ROS; RNS; plant physiology; plant molecular biology; oxidative stress; antioxidant; phytohormones; stress mitigant; photosynthesis
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Safina Naz

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Guest Editor
Department of Horticulture, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
Interests: vegetables science; stress physiology; abiotic stress; photosynthesis
Special Issues, Collections and Topics in MDPI journals
Dr. Awais Shakoor

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Guest Editor
Teagasc, Environment, Soils and Land Use Department, Johnstown Castle, Y35 Y521 Co., Wexford, Ireland
Interests: environmental stresses; soil analysis; root growth; antioxidant enzymes; nutrient management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since the turn of the century, the temperature of the atmosphere has increased dramatically, and climate change indicates that it will continue to do so. Climate change is a result of global warming, and these changes are seen as a major threat to the productivity of horticultural crops throughout the world. Several environmental issues such as fluctuating temperatures, are now increasing concern on a global scale. Variations in temperature have emerged as a critical limiting factor that impacts plant growth, production, and quality globally.

Temperature stress (heat and cold) adversely affects plant growth, yield, quality, and development, as well as plant physiological and biochemical processes. Plants exposed to extreme temperatures (hot and old) may have serious, even deadly, adverse consequences. Plants have developed a wide range of strategies to minimize stress and damage under such circumstances. However, climate change has adversely affected temperature stress, which is significant and may help us better prepare for a warmer future.

This Special Issue focuses on the effects of temperature stress on horticultural crops on a morphological, physiological, biochemical, and molecular processes. Alleviation strategies powered by plant adaptation and acclimation mechanisms, as well as cultivar tolerance, are all within the scope of this Special Issue. In this Special Issue, original research articles and reviews are welcome.

Suggest themes (but not limited to):

  1. Plant growth and development as well as yield and quality under heat stress.
  2. Current intervention on physiological and biochemical responses and mechanism of heat stress in Horticultural crops
  3. Phytohormones mediated temperature (heat and cold) responses and tolerance.
  4. Transcriptomics and metabolic analysis of horticultural plants in response to temperature stress.
  5. Oxidative stress induced by low and high temperatures.
  6. Photosynthesis under temperature stress.

We look forward to receiving your contributions.

Prof. Dr. Zhiwei Wang
Dr. Muhammad Ahsan Altaf
Prof. Dr. Safina Naz
Dr. Awais Shakoor
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

  • phytohormones
  • cold stress
  • heat stress
  • antioxidant response
  • oxidative stress
  • plant physiology
  • molecular biology
  • horticultural plants
  • food security
  • tolerance mechanism

Published Papers (2 papers)

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Research

18 pages, 9204 KiB  
Article
Effect of Heat Stress on Root Architecture, Photosynthesis, and Antioxidant Profile of Water Spinach (Ipomoea aquatica Forsk) Seedlings
by Xin Wang, Muhammad Ahsan Altaf, Yuanyuan Hao, Zhiwei Wang and Guopeng Zhu
Horticulturae 2023, 9(8), 923; https://doi.org/10.3390/horticulturae9080923 - 13 Aug 2023
Cited by 2 | Viewed by 2146
Abstract
Crop productivity around the world is being seriously affected by adverse environmental conditions. High temperature (HT) stress has severely hampered plant growth, yield, and quality. Water spinach is a significant heat-resilient green leafy vegetable that can mitigate prolonged HT stress. However, the morphological, [...] Read more.
Crop productivity around the world is being seriously affected by adverse environmental conditions. High temperature (HT) stress has severely hampered plant growth, yield, and quality. Water spinach is a significant heat-resilient green leafy vegetable that can mitigate prolonged HT stress. However, the morphological, physiological, and biochemical alterations that occur in its response to heat stress remain unknown. In this study, the physiological response to HT stress in water spinach plants with different temperature (25-control, 30, 35, 40, 45 °C) tolerances was investigated. When plants were subjected to HT over a long period of time, their growth was stunted. The results showed that no significant difference was seen between the control (25 °C) and 30 °C for some traits (root shoot fresh weight, root morphological traits, and leaf gas exchanges parameters). Further, HT (35, 40, and 45 °C) stress significantly reduced the growth status, the gas exchange parameters, the pigment content, the photosystem function, and the root architecture system of water spinach. Conversely, HT stress considerably enhanced secondary metabolites in terms of total phenolics, flavonoids, soluble sugars, and anthocyanin content. Furthermore, heat stress remarkably increased the accumulation of reactive oxygen species (ROS) and caused cellular membrane damage. HT stress effectively altered the antioxidant defense system and caused oxidative damage. Generally, HT has an adverse effect on the enzyme activity of water spinach, leading to cell death. However, the current study found that temperatures ≥35 °C had an adverse effect on the growth of water spinach. Further research will be needed to examine the mechanism and the gene expression involved in the cell death that is caused by temperature stress in water spinach plants. Full article
(This article belongs to the Special Issue Temperature Stress (Heat and Cold): Response, Mitigation and Tolerance in Horticultural Plants)
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9 pages, 542 KiB  
Article
Effects of Low-Temperature Accumulation on Flowering of Prunus mume
by Yuhan Zhang, Kaifeng Ma and Qingwei Li
Horticulturae 2023, 9(6), 628; https://doi.org/10.3390/horticulturae9060628 - 26 May 2023
Viewed by 967
Abstract
Low-temperature accumulation is one of the essential stages in the growth process of woody ornamental plants. In this study, two different low-temperature treatments, 6 °C and 10 °C, were used to analyze the effects of different low-temperature treatments on dormancy release and flowering [...] Read more.
Low-temperature accumulation is one of the essential stages in the growth process of woody ornamental plants. In this study, two different low-temperature treatments, 6 °C and 10 °C, were used to analyze the effects of different low-temperature treatments on dormancy release and flowering of the ‘Gulihong’ plant using artificial low temperatures. Based on the experimental results, four typical early-blooming Prunus mume cultivars widely planted in Yangling area of Henan Province, China, including ‘Zaoyudie’, ‘Zaohualve’, ‘Nanjing gongfen’, and ‘Gulihong’, were selected as the experimental materials. The effects of low-temperature accumulation on the flowering characteristics of different cultivars were analyzed using a 6 °C artificial low-temperature treatment. The suitable cultivation temperature for early-blooming cultivars was screened to provide a theoretical basis for further exploration of P. mume bonsai cultivation techniques. The results showed that the flowering rate, flower diameter, flowering quantity, flowering uniformity, and bud development in the 6 °C treatment were significantly better than those in the 10 °C treatment. Furthermore, under 6 °C low-temperature treatment, the flowering rate and quality of different cultivars showed an increasing trend with the accumulation of low temperature, with ‘Gulihong’ exhibiting the highest flowering rate. Therefore, chill accumulation plays a significant role in promoting flowering quality. Full article
(This article belongs to the Special Issue Temperature Stress (Heat and Cold): Response, Mitigation and Tolerance in Horticultural Plants)
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