Plant Chemical Ecology—2nd Edition

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: 30 April 2026 | Viewed by 620

Special Issue Editors


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Guest Editor
College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Interests: allelopathy; allelochemicals; plant kin recognition; plant–plant interactions; plant–soil interactions
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Guest Editor
Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
Interests: insect–plant interactions; herbivore-induced plant defense; defense-related signaling
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Guest Editor
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
Interests: root exudates and SOM dynamics; plant–microbe–soil interactions; plant functional traits and ecosystem processes
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Guest Editor
College of Advanced Agricultural Sciences, Zhejiang A&F University, Hanghzou 311300, China
Interests: plant–insect interactions; the ecological function of volatile organic compounds; the molecular mechanism of plant resistance against insects
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Special Issue Information

Dear Colleagues,

Chemical ecology is an intersectional discipline that covers a broad array of subjects, involving inter- and intra-specific chemical interactions mediated by secondary metabolites among organisms, as well as between organisms and environmental factors. Plants are producers and play a central role in ecosystems. There are various chemical interactions between plants and other organisms in natural and managed systems. Plant chemical ecology has provided fascinating insights into eco-evolutionary relationships and represents a potential strategy for sustainable agriculture.

This Special Issue will focus on recent advancements in the field of plant chemical ecology. We invite you to share your contributions on chemically mediated plant–plant, plant–insect/animal, and plant–microbe interactions. Research papers, communications, and review articles are welcome. We believe that this Special Issue is of sufficient general interest and that its publication will appeal to a more general audience, stimulating additional research into plant–organism chemical interactions.

Prof. Dr. Chui-Hua Kong
Prof. Dr. Yonggen Lou
Prof. Dr. Peng Wang
Prof. Dr. Guoxin Zhou
Guest Editors

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Keywords

  • allelopathy
  • allelochemicals
  • chemical communication
  • chemical defenses
  • common mycorrhizal networks
  • kin recognition
  • herbivores
  • pathogens
  • pest management
  • signaling interactions
  • soil microorganisms
  • rhizosphere
  • root exudates
  • volatiles

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Published Papers (1 paper)

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Research

17 pages, 3038 KB  
Article
Neighbor Relatedness Contributes to Improvement in Grain Yields in Rice Cultivar Mixtures
by You Xu, Qin-Hang Han, Shuai-Shuai Xie and Chui-Hua Kong
Plants 2025, 14(15), 2385; https://doi.org/10.3390/plants14152385 - 2 Aug 2025
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Abstract
The improvement in yield in cultivar mixtures has been well established. Despite increasing knowledge of the improvement involving within-species diversification and resource use efficiency, little is known about the benefits arising from relatedness-mediated intraspecific interactions in cultivar mixtures. This study used a relatedness [...] Read more.
The improvement in yield in cultivar mixtures has been well established. Despite increasing knowledge of the improvement involving within-species diversification and resource use efficiency, little is known about the benefits arising from relatedness-mediated intraspecific interactions in cultivar mixtures. This study used a relatedness gradient of rice cultivars to test whether neighbor relatedness contributes to improvements in grain yields in cultivar mixtures. We experimentally demonstrated the grain yield of rice cultivar mixtures with varying genetic relatedness under both field and controlled conditions. As a result, a closely related cultivar mixture had increased grain yield compared to monoculture and distantly related mixtures by optimizing the root-to-shoot ratio and accelerating flowering. The benefits over monoculture were most pronounced when compared to the significant yield reductions observed in distantly related mixtures. The relatedness-mediated improvement in yields depended on soil volume and nitrogen use level, with effects attenuating under larger soil volumes or nitrogen deficiency. Furthermore, neighbor relatedness enhanced the richness and diversity of both bacterial and fungal communities in the rhizosphere soil, leading to a significant restructuring of the microbial community composition. These findings suggest that neighbor relatedness may improve the grain yield of rice cultivar mixtures. Beneficial plant–plant interactions may be generated by manipulating cultivar kinship within a crop species. A thorough understanding of kinship strategies in cultivar mixtures offers promising prospects for increasing crop production. Full article
(This article belongs to the Special Issue Plant Chemical Ecology—2nd Edition)
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