Plant Resistance to Insects

A special issue of International Journal of Plant Biology (ISSN 2037-0164). This special issue belongs to the section "Plant Response to Stresses".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 3220

Special Issue Editor


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Guest Editor
División de Estudios de Posgrado e Investigación, Tecnológico Nacional de México, Mexico City, Mexico
Interests: seedling; ecology and evolution; plant ecology

Special Issue Information

Dear Colleagues,

Beyond the green of the leaves! These are not just simple green leaves, but rather an entire array of information contained within plants. Thus, this Special Issue aims to offer a small window into the marvelous world of plant responses to herbivorous insect damage. It may seem simple, like "being attacked and defending oneself", but within this brief expression, there are countless ways plants can respond. A journey that can begin (though not in order of importance) in the depths of secondary metabolism, though secondary only in name, as these compounds are of primary importance. Continuing with functional plant traits and morphological leaf traits, many species use these to deter damage caused by herbivorous insects, and which are currently being used to design strategies to reduce pesticide use in crop species, ultimately achieving a more sustainable and environmentally friendly vision. In this way, we arrive at the fascinating world of indirect defenses. These occur either through the release of compounds that attract the enemies of insects or by activating plant defense priming, where the neighborhood of the target species' population becomes involved. In recent years, there has been a significant shift in all these responses, not only due to new discoveries but also because of environmental changes. With this Special Issue, I hope to offer a current perspective on the multiple and fascinating ways that plants deal with equally incredible herbivorous insects, which, in the end, also form part of the beautiful nature of our beloved Pachamama.

Prof. Dr. Horacio Salomón Ballina-Gómez
Guest Editor

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Keywords

  • herbivorous insects
  • plant ecology
  • plant defense
  • leaf traits
  • natural enemies

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Published Papers (2 papers)

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Research

14 pages, 996 KiB  
Article
Interactive Effect of Copper and Herbivory on the Whole-Plant Growth of Leucaena leucocephala
by Shirley Margarita Amaya-Martín, Horacio Salomón Ballina-Gómez, Esaú Ruíz-Sánchez, Gabriel Jesús Azcorra-Perera, Roberto Rafael Ruiz-Santiago and Jacques Fils Pierre
Int. J. Plant Biol. 2025, 16(3), 76; https://doi.org/10.3390/ijpb16030076 - 6 Jul 2025
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Abstract
This study investigated how Leucaena leucocephala, a dry forest plant, copes with soil copper and herbivory caused by Schistocerca piceifrons, crucial for understanding species adaptation in stressed environments. A 33-day factorial experiment with three copper and two herbivory treatments assessed seedling [...] Read more.
This study investigated how Leucaena leucocephala, a dry forest plant, copes with soil copper and herbivory caused by Schistocerca piceifrons, crucial for understanding species adaptation in stressed environments. A 33-day factorial experiment with three copper and two herbivory treatments assessed seedling growth rates (relative growth rate of biomass—RGRB, and leaf area—RGRLA), morphology, net assimilation rate (NAR), biomass allocation, and survival. Seedlings demonstrated compensatory growth in terms of RGRB and RGRLA under high copper and herbivory. Although copper decreased overall survival, surviving individuals effectively compensated for herbivory damage. These tolerance responses, primarily driven by an increased NAR (accounting for 98% of compensation), aligned with the limiting resource model. While most morphological components remained stable, herbivory specifically increased the root–shoot ratio. These findings indicate L. leucocephala possesses significant resilience through physiological adjustments, like enhancing NAR, and biomass reallocation strategies, allowing it to persist despite multiple stressors common in dry forests. Full article
(This article belongs to the Special Issue Plant Resistance to Insects)
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11 pages, 6980 KiB  
Communication
Pollination and Essential Oil Production of Lavandula angustifolia Mill. (Lamiaceae)
by Riley B. Jackson, Tyler M. Wilson, Joseph S. Wilson, Zabrina Ruggles, Lindsey Topham Wilson, Chris Packer, Jacob G. Young, Christopher R. Bowerbank and Richard E. Carlson
Int. J. Plant Biol. 2025, 16(3), 72; https://doi.org/10.3390/ijpb16030072 - 1 Jul 2025
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Abstract
Lavandula angustifolia Mill., lavender, is an aromatic plant in the Lamiaceae family. Lavender, which is native to the Mediterranean region but cultivated throughout the world, is an important economic plant. Several studies have investigated two aspects of this aromatic plant: (1) which pollinators, [...] Read more.
Lavandula angustifolia Mill., lavender, is an aromatic plant in the Lamiaceae family. Lavender, which is native to the Mediterranean region but cultivated throughout the world, is an important economic plant. Several studies have investigated two aspects of this aromatic plant: (1) which pollinators, particularly bees, pollinate lavender, and (2) the composition of lavender essential oil. However, little research has been conducted to investigate how pollination affects either the yield or phytochemistry of lavender. The current study, which was conducted in North America, investigates which bee species visit lavender and how pollination affects plant chemistry, specifically the essential oil produced by lavender. Over the course of the 5-week observational period, a total of 12 species (across 10 genera) of bees were identified visiting lavender. Compared to previous studies on cultivated lavender at the same site (Mt. Nebo Botanical Farm, Mona, UT), four bee species not previously observed on lavender were identified. These included Hoplitis producta, Nomada sp., Osmia trevoris, and Megachile snowi. Pollinated lavender, compared to lavender excluded from pollinators, produced more essential oil (yield (w/w) = 1.49% vs. 1.07%), lower relative amounts of linalool (35.4% vs. 39.9%), and higher relative amounts of linalyl acetate (21.3% vs. 16.8%). The findings of this study demonstrate the ecological interactions between pollinators and lavender, and how those interactions impact phytochemistry. Full article
(This article belongs to the Special Issue Plant Resistance to Insects)
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