Insect Pests and Pathogens: Biological Control Measures and Biodiversity

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

Deadline for manuscript submissions: closed (31 December 2025) | Viewed by 1304

Special Issue Editors


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Guest Editor
Institute of Forestry, Lithuanian Research Centre for Agriculture and Forestry, Liepų Str. 1, Kaunas District, 53101 Girionys, Lithuania
Interests: forest pathology, mycology and entomology; biological control; plant-microbiome-insect interactions

Special Issue Information

Dear Colleagues, 

Insect pests and pathogens pose a significant challenge to forest and horticulture ecosystems, leading to severe yield losses, reduced plant health, and disruptions in biodiversity. Conventional management strategies often rely on synthetic pesticides and fungicides, which, while effective, contribute to environmental pollution, pesticide resistance, and negative impacts on non-target organisms, including beneficial insects and soil microbiota. Consequently, there is an urgent need for sustainable pest and disease management approaches that not only control harmful pests, but also support biodiversity and ecosystem resilience.

We invite researchers to submit original scientific articles, reviews, and communications that address the biological control of insect pests and pathogens. The scope of this Special Issue includes studies focusing on the interactions between biological control agents, pests, pathogens, and biodiversity. By advancing knowledge in biological control and biodiversity conservation, this Special Issue aims to promote sustainable and environmentally friendly solutions for managing plant health while maintaining ecosystem integrity. We welcome research on the role of beneficial microorganisms, plant–insect–microbe interactions, integrated pest and disease management, and the ecological impact of biocontrol measures.

Dr. Vytautas Čėsna
Dr. Neringa Rasiukeviciute
Guest Editors

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Keywords

  • forest management
  • insects
  • fungi
  • microorganisms
  • biological control
  • biodiversity
  • mycobiome
  • insecticide
  • resistance

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Published Papers (1 paper)

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Research

21 pages, 2033 KB  
Article
The Influence of Biological Measures on Strawberry Plant Growth, Yield, and Fruit Quality
by Neringa Rasiukevičiūtė, Armina Morkeliūnė, Ingrida Mažeikienė, Daiga Birzleja, Juozas Lanauskas and Alma Valiuškaitė
Plants 2026, 15(6), 929; https://doi.org/10.3390/plants15060929 - 18 Mar 2026
Viewed by 853
Abstract
Finding safe and efficient plant protection measures is one of the major challenges in horticulture. This study evaluated the biological effects of the Thymus vulgaris essential oil and of Bacillus halotolerans and B. velezensis bacterial mixture on strawberry growth and fruit quality properties, [...] Read more.
Finding safe and efficient plant protection measures is one of the major challenges in horticulture. This study evaluated the biological effects of the Thymus vulgaris essential oil and of Bacillus halotolerans and B. velezensis bacterial mixture on strawberry growth and fruit quality properties, as well as on Botrytis cinerea severity. The experiment was conducted in a high-tunnel greenhouse with the strawberry cv. Sonsation. Treatments: (1) Control—untreated; (2) Bacteria—with Bacillus halotolerans and B. velezensis, four times during flowering; (3) Thyme I—T. vulgaris essential oil (EO), four times during flowering; (4) Thyme II—T. vulgaris EO, four applications supplemented by three additional applications during fruit ripening; (5) Biofungicide I—Bacillus subtilis QST 713, four times supplemented by three applications; (6) Biofungicide II—Clonostachys rosea J1446, four times during flowering. In the first year (2023), the highest total yield was observed in Thyme II, and in the second year (2024), the highest total yield was observed in Thyme I. The results did not reveal any visual phytotoxic effect on plant leaves. The average fruit diameter increased from 28 mm up to 31 mm in 2023 and from 35 mm to 39 mm in 2024. The average soluble solids content increased from 9.4 to 11.4 °Brix in 2023 and from 7.2 to 7.7 °Brix in 2024. The highest ascorbic acid content in 2023 was observed in Biofungicide II and Biofungicide I treatments, respectively, 79.9 mg % and 75.4 mg %. Similarly, in 2024, the highest ascorbic acid content was observed in Bacteria, Biofungicide I, and Biofungicide II treatments—39.3–40.2 mg %. In vitro, the lowest B. cinerea severity on strawberry leaves in 2023 was recorded in Thyme I and Thyme II treatments (~6–7%), while in 2024, the severity in these treatments was higher −20–22%. Thyme treatment showed a stable reduction in B. cinerea on leaves in vitro over both years. Full article
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