Biennial aerial application of Bacillus thuringiensis Berliner var. kurstaki is the most cost-effective approach of protection against spruce budworm (Choristoneura fumiferana [Clemens])

Key message

Aerial application of Bacillus thuringiensis Berliner var. kurstaki (Btk) every second year to stands of white spruce (Picea glauca (Moench)Voss.), black spruce (Picea mariana Mill.) and balsam fir (Abies balsamea (L.) Mill.) is the most cost-effective spraying scenario for reducing the impact of spruce budworm (Choristoneura fumiferana Clemens) on wood production, providing a similar level of forest protection, but at lower cost, to the standard scenario currently used in which 50% of current year’s foliage is protected every year.

Keywords
Black locust; Clonality; Seed orchard; Genetic diversity; Forest Reproductive Material (FRM); SSR markers

Publication
Bauce, É., Dupont, A., Hébert, C. et al. Biennial aerial application of Bacillus thuringiensis Berliner var. kurstaki is the most cost-effective approach of protection against spruce budworm (Choristoneura fumiferana [Clemens]). Annals of Forest Science 81, 40 (2024). https://doi.org/10.1186/s13595-024-01260-9 .

Data and/or Code availability
The data described in this article can be freely and openly accessed at BOREALIS: https://doi.org/10.5683/SP3/TTWHHF.

Handling Editor
Aurélien Sallé

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