The purpose of this article is to briefly highlight two new compounds being researched in Canada and provide a brief review of currently registered products. In addition, a summary of environmental and tree factors that can influence the ease of thinning is provided.
The intention of chemical thinning of apples is to:
- Increase fruit size to optimize financial returns
- Ensure adequate return bloom and prevent biennial bearing
- Improve fruit colour, disease and pest control through reduced fruit clustering
- Reduce limb breakage
- Improve harvesting efficiencies