Plant Stress Physiology and Molecular Biology (3rd Edition)

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: 20 April 2026 | Viewed by 571

Special Issue Editor

School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: plant abiotic stress; plant physiology; plant molecular biology and biochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The journal Plants will publish a Special Issue on phytoremediation and plant stress physiology. Plants grow and reproduce in complex environments and are exposed to a variety of chemical and physical abiotic stresses, including extreme temperatures, drought, salinity, flooding, excess light, ultraviolet radiation, mineral nutrient deficiencies, oxygen deficiency, injuries, and air, soil, or water pollution such as heavy metals, pesticides, ozone and sulfur dioxide, etc. These abiotic stresses can negatively affect plant physiology and biochemistry, further affecting the growth and development of plants. In order to cope with abiotic stress, plants tolerate, resist, or avoid the harmful effects of stress through various mechanisms. Over the past few decades, a variety of novel methods/technologies have been used to study stress-induced damage in plants, as well as their responses and defense mechanisms. This Special Issue will cover a wide variety of areas, such as the effects of various abiotic stresses on plants, plant stress resistance genes, the regulatory network of stress resistance, and the role of hormones in plant stress resistance. The aim of this Special Issue is to provide an up-to-date understanding of plant responses to abiotic stress.

Dr. Peng Zhou
Guest Editor

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Keywords

  • abiotic stress
  • functional gene
  • regulation network
  • plant responses and defense mechanisms to stress
  • phytohormone

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Published Papers (1 paper)

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Research

21 pages, 8044 KB  
Article
Synergistic Interactions Between Leaf Traits and Photosynthetic Performance in Young Pinus tabuliformis and Robinia pseudoacacia Trees Under Drought and Shade
by Xinbing Yang, Chang Liu, Shaoning Li, Xiaotian Xu, Bin Li, Meng Tian, Shaowei Lu and Na Zhao
Plants 2025, 14(18), 2825; https://doi.org/10.3390/plants14182825 - 10 Sep 2025
Viewed by 399
Abstract
Spring droughts, increasingly coinciding with canopy shade, interactively stress the growth of urban tree species and are poorly understood in Beijing. Three-year-old saplings of Pinus tabuliformis and Robinia pseudoacacia were subjected to comparative analysis under four drought–shade sequences, with a full-light, well-watered treatment [...] Read more.
Spring droughts, increasingly coinciding with canopy shade, interactively stress the growth of urban tree species and are poorly understood in Beijing. Three-year-old saplings of Pinus tabuliformis and Robinia pseudoacacia were subjected to comparative analysis under four drought–shade sequences, with a full-light, well-watered treatment serving as the control. During two periods encompassing the drought to wilting point and subsequent rewatering, we assessed leaf morphology, water status, photosynthetic gas exchange, and chlorophyll fluorescence. Both species exhibited losses in leaf water and carbon assimilation under drought, yet their adaptive strategies substantially differed. P. tabuliformis conserved water through the stable leaf anatomy and conservative stomatal control. In particular, P. tabuliformis under full-light and drought conditions decreased their specific leaf area (SLA) by 23%, as well as showing reductions in stomatal conductance (Gs) and transpiration rate (Tr) along with the drought duration (p < 0.01). As the duration of post-drought rewatering increased, the reductions in the net photosynthetic rates (Pn) of P. tabulaeformis showed that the shade condition intensified its photosynthetic limitation and slowed recovery after drought. Under low-light drought, R. pseudoacacia exhibited a 52% increase in SLA and a 77% decline in Gs; the latter was markedly smaller than the reduction observed under full-light drought. After rewatering, Gs displayed an overcompensation response. The rise in specific leaf area and the greater flexibility of stomatal regulation partly offset the adverse effects of drought. Nevertheless, post-drought Pn recovered to only 40%, significantly lower than the 61% recovery under full-light drought. Moreover, the negative correlation between SLA and Pn became significantly stronger, indicating that the “after-effects” of shade–drought hindered photosynthetic recovery once the stress was relieved. Drought duration eroded the phenotypic performance in both species, while the light environment during drought and subsequent rehydration determined the time trajectory and completeness of recovery. These results validate a trade-off between shade mitigation and drought legacy, and guide species selection: plant shade-tolerant R. pseudoacacia in light-limited urban pockets and reserve sun-dependent P. tabuliformis for open, high-light sites to enhance drought resilience of Beijing’s urban forests. Full article
(This article belongs to the Special Issue Plant Stress Physiology and Molecular Biology (3rd Edition))
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