Physiology of Vegetables Under Biotic/Abiotic Stress Conditions

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

Deadline for manuscript submissions: 20 March 2026 | Viewed by 239

Special Issue Editor


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Guest Editor
Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization—DEMETER, Thermi, GR-57001 Thessaloniki, Greece
Interests: physiology of vegetables under biotic/abiotic stress conditions; sustainable and organic farming of vegetable crops in greenhouse and in open field systems; nutritional and phytochemical composition/secondary metabolites in horticulture; circular economy/reuse of crop residues in vegetable production; biofertilizers-composting; allelopathy; integrated characterization and the exploitation of promising genetic resources of horticultural species; Agro-EcoPhysiology
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Special Issue Information

Dear Colleagues,

The productivity and quality of vegetable crops are frequently substantially restricted by a wide range of biotic and abiotic stressors, despite their importance to human nutrition and global food security. Unfavorable environmental factors like pathogen infection, pest infestation, and weed competition, along with drought, salinity, heat, cold, nutrient imbalances, and heavy metal toxicity, can drastically impact physiological processes, leading to yield losses and lowered product quality. Therefore, a deeper understanding of the physiological, biochemical, and molecular mechanisms through which vegetables perceive, respond, and adapt to stress is imperative for the development of resilient cropping systems.

This Special Issue of Horticulturae invites high-quality original research, reviews, and brief communications covering a variety of topics related to vegetable physiology under stress. Issues may relate to secondary metabolism, oxidative balance, respiration, water relations, mineral nutrition, photosynthesis, hormone regulation, and stress signaling pathways. We especially encourage research on integrative physiological responses to multiple stresses and innovative strategies to improve stress tolerance, such as the use of biostimulants, advanced agronomic techniques, and genetic or biotechnological approaches.

This Special Issue aims to provide a thorough presentation of the achievements of research community related to the aforementioned trends, ultimately supporting sustainable horticultural production under changing environmental conditions.

We look forward to your precious contributions.

Dr. Kalliopi Kadoglidou
Guest Editor

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Keywords

  • plant physiology
  • stress signaling
  • photosynthesis
  • oxidative stress
  • hormonal regulation
  • water relations
  • secondary metabolism
  • stress tolerance
  • sustainable horticulture

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Published Papers (1 paper)

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19 pages, 1053 KB  
Article
Tomato Cultivar and Rootstock Evaluation Under Mg Deficiency: Growth, Mg Uptake, and Leaf Gas Exchange
by Branimir Urlić, Karmen Radovani, Marko Runjić, Maja Veršić Bratinčević, Marijana Popović, Ivana Generalić Mekinić, Zed Rengel and Gvozden Dumičić
Horticulturae 2026, 12(2), 179; https://doi.org/10.3390/horticulturae12020179 - 31 Jan 2026
Viewed by 64
Abstract
The importance of magnesium (Mg) is often overlooked in modern crop production. Tomato (Solanum lycopersicum L.) is commonly grafted onto appropriate rootstock to improve the nutrient uptake, which may have a negative effect on the tomato Mg leaf concentration and possibly influence [...] Read more.
The importance of magnesium (Mg) is often overlooked in modern crop production. Tomato (Solanum lycopersicum L.) is commonly grafted onto appropriate rootstock to improve the nutrient uptake, which may have a negative effect on the tomato Mg leaf concentration and possibly influence the carbohydrate partitioning required for optimal crop yield and quality. The aim of this study was to screen tomato cultivars and rootstocks under Mg deficiency using two experiments. The first experiment included a panel of 14 tomato cultivars and 10 rootstocks grown with 1 or 0.1 mM Mg in nutrient solution. The second experiment consisted of four cultivars either self-grafted or grafted onto four rootstocks chosen from the first experiment. In both experiments, most of the plants grown under low-Mg conditions, on average, had a higher biomass production. The magnesium concentrations in the leaves and stems (but not in the roots) of both cultivars and rootstocks, non-grafted or grafted, were significantly higher under optimal Mg supply. Regarding the Mg content, the differences between the Mg supplies were up to three-fold for cultivars, up to two-fold for the rootstocks, and up to five-fold for the combinations of grafted plants. Our results showed that genotypic differences between used tomato cultivars and rootstocks in response to Mg can be observed at early developmental stages and can possibly serve as a tool in screening programs, but further research is needed to assess their relationship with long-term cultivation. Full article
(This article belongs to the Special Issue Physiology of Vegetables Under Biotic/Abiotic Stress Conditions)
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