Dutch plant pest management strategies

In the Netherlands, efforts to manage plant pests are shifting from individual gardening practices toward large-scale biological control systems in horticulture.

Initial strategies for gardeners focus on early detection and environmental management to control pests like fungus gnats, ants, and slugs. These methods emphasize adjusting watering habits, improving soil drainage, and using physical barriers to reduce habitats for larvae and adult insects.

In the professional greenhouse sector, there is a growing movement to decrease chemical pesticide use in favor of biological alternatives. Researchers and growers are developing banker plant systems designed to provide food and shelter for natural predators, such as ladybugs and green lacewings. This approach aims to establish permanent predator populations within crops. Collaborative initiatives, including Taskforce Luis and projects involving Wageningen University & Research, Leiden University, and Mooij Gewasbescherming, are working to refine these systems to prevent the need for continuous insect reintroduction.