topworking
/ˈtɑpˌwɜrkɪŋ/
noun
- A horticultural technique of grafting new branches onto the top of an established tree to change its variety or improve fruit production.
- Topworking is often done in early spring when the tree is dormant.
- After topworking, the tree produced better fruit within two years.
- The farmer used topworking to turn his old apple tree into a new variety.