Enhancing Plant Resilience to Climate Change: Insights from Priming and Intercropping Approaches

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: 31 March 2026 | Viewed by 519

Special Issue Editor


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Guest Editor
1. Laboratoire de Chimie Agroindustrielle, Institut National Polytechnique, INRAe-Toulouse, Toulouse, France
2. Département Génie Biologique, IUT, Université de Toulouse, Toulouse, France
Interests: bioactive accumulation and extraction; plant physiology; genetics; abiotic stress; lipids; essential oils; biofertilizers; cereals; oilseed crops; viticulture
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Special Issue Information

Dear Colleagues,

The vulnerability of agriculture to climate change has been exacerbated in recent years by extreme meteorological phenomena such as heat waves, droughts and floods. These events are increasing the risk of food insecurity worldwide. The most recent years have been the hottest on record, with heat waves impacting every region of the world, leading to a decline in global agricultural production. Ensuring food security for an ever-growing population requires innovative techniques that allow plants to express their productive potential under difficult conditions or, alternatively, the revival of old agricultural practices that have regained their relevance. This means that sustainable, climate-smart strategies are needed to reduce food insecurity caused by climate change. The development of high-quality seeds and stress-resistant varieties has been important in the response to climate change. The use of new priming and/or coating techniques yields better germination and quicker starting times to avoid abiotic stresses. Bacteria can be used to replace fertilisers, directly or indirectly improving crop growth and yield. Intercropping is an ancient agricultural practice of mixed cultivation that involves planting two or more crop species together in the same space and at the same time. The combination of legume and grass crops has been widely used for fodder production because of their ecological and agronomic advantages—legumes provide more than 30% of the nitrogen required by grasses. Intercropping can therefore minimise the effects of abiotic stresses on crop productivity.

This Special Issue aims to synthesise new knowledge and results derived from recent seed priming and/or coating techniques and new sources of fertilisation and stimulation, as well as associated crops not yet exploited, to demonstrate the agro-ecological, agronomic and economic benefits and the benefits for soil fertility and to help crops face difficult conditions aggravated by climate change.

Dr. Othmane Merah
Guest Editor

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Keywords

  • priming
  • nanopriming
  • seed coating
  • intercropping
  • PGPR
  • biostimulant
  • plant growth
  • abiotic stress tolerance
  • sustainable agriculture
  • plant resilience
  • nutrient use efficiency

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Published Papers (1 paper)

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Research

25 pages, 4049 KB  
Article
Modifications in Carbon and Nitrogen Metabolites of Vigna unguiculata L. Seed Organs Induced by Different Priming Treatments
by Lilya Boucelha, Réda Djebbar, Sabrina Gueridi and Othmane Merah
Plants 2025, 14(20), 3218; https://doi.org/10.3390/plants14203218 - 20 Oct 2025
Viewed by 359
Abstract
Seed priming has become a promising technique in agriculture and crop-stress management. Several authors have shown that the positive effects of seed priming are associated with various metabolic, physiological, and biochemical modifications (enzyme activation, membrane repair, initiation of DNA/RNA, and protein synthesis) that [...] Read more.
Seed priming has become a promising technique in agriculture and crop-stress management. Several authors have shown that the positive effects of seed priming are associated with various metabolic, physiological, and biochemical modifications (enzyme activation, membrane repair, initiation of DNA/RNA, and protein synthesis) that enhance the speed, uniformity, and vigor of germination. However, the mechanisms underlying seed priming are not yet well understood. The aim of our work was to study the quantitative and qualitative metabolic changes in the embryonic axes (radicle and plumule) and cotyledons of Vigna unguiculata (L.) Walp. Seeds were subjected to osmopriming with polyethylene glycol (PEG), simple hydropriming, and double hydropriming (a novel treatment). Results indicated that all types of priming, particularly double hydropriming, strongly stimulated the hydrolysis of protein and carbohydrate reserves. This resulted in a decrease in soluble proteins and starch contents and an increase in amino acids and soluble sugars contents. Moreover, the priming promoted the biosynthesis of osmolytes such as proline and induced qualitative changes in the composition of amino acids and soluble sugars. These biochemical changes depend on the organ and treatment method applied to the seeds. It is worth noting that double hydropriming induces metabolic modifications to a greater extent than single hydropriming. Full article
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