A study on the link between spotted wing drosophila populations, crop damage, and yield losses
Annabelle Firlej
Description
There is very little documentation on the link between the number of spotted wing drosophila captured in traps and berry crop damage and associated economic losses. The aim of this project was to gather the necessary data to determine whether trap captures can predict damage levels and yield losses in the field. Traps were installed for two years in five raspberry fields in Québec. Numbers of adults in the traps and larva in the fruit, as well as yield losses and the percentage of undamaged fruit were evaluated every week during the harvest season.
Objective(s)
- Determine where there is a significant correlation between the number of adult spotted wing drosophila captured and yield losses observed in the field
- Demonstrate that the risk of damage (larva in the fruit) is low when the number of adults in the traps is low.
From 2015 to 2017
Project duration
Fruit production
Activity areas
Pest, weed, and disease control, Organic farming
Services
IRDA boasts considerable expertise in the fight against new invasive insects.
Partner
Ministère de l'Agriculture, des Pêcheries et de l'Alimentation du Québec - Prime-vert Programme
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