Integrated Pest Management in Apple Orchards

Integrated Pest Management in apple orchards is a multifaceted approach designed to maintain pest populations below damaging thresholds while minimising chemical inputs and preserving ecosystem health. It combines biological, cultural, mechanical and chemical tactics in a unified framework, emphasising regular monitoring, decision thresholds and targeted interventions. Biological control leverages naturally occurring predators and parasitoids, supported by habitat management such as flower strips and cover crops to provide nectar, pollen and refuge. Cultural practices include pruning and sanitation to reduce overwintering sites, alongside ground covers to moderate microclimate and encourage beneficial insects. Mechanical controls, such as traps and barriers, supplement these measures, while selective use of biorational or reduced-risk pesticides serves as a last resort. By integrating multiple control methods and adapting strategies to local conditions, this system enhances orchard resilience, reduces reliance on broad-spectrum insecticides and safeguards fruit quality. The approach fosters biodiversity, supports pollinators and aligns with sustainable production goals, offering both economic and environmental benefits on a global scale.

Research from Nature Portfolio

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Integrated Pest Management in Apple Orchards publication trend

The graph below shows the total number of articles in integrated pest management in apple orchards across all publications each year (not limited to Nature Index journals).

Technical terms

Integrated Pest Management (IPM): A decision-support system that integrates biological, cultural, mechanical and chemical tools to manage pests at acceptable levels while minimising environmental impact.

Conservation biological control: The practice of enhancing and preserving habitats to support populations of natural enemies of pests, reducing reliance on pesticides.

Natural enemies: Organisms such as predators, parasitoids and pathogens that attack and regulate pest populations in agricultural ecosystems.

Flower strip: A sown or naturally established strip of flowering plants within or alongside orchards providing nectar, pollen and shelter to beneficial insects.

Semi-natural habitat: Non-cropped areas adjacent to orchards, including hedgerows and grass margins, that supply resources and refuge for beneficial arthropods.

References

1. Floral resources and ground covers promote natural enemies but not pest insects in apple orchards: A global meta-analysis. The Science of The Total Environment (2023).
2. Perennial flower margins reduce orchard fruit damage by rosy apple aphid, Dysaphis plantaginea (Homoptera: Aphididae). Journal of Applied Ecology (2024).
3. Surrounding Semi-Natural Vegetation as a Source of Aphidophagous Syrphids (Diptera, Syrphidae) for Aphid Control in Apple Orchards. Agriculture (2023).