Maintaining tree structure is an objective of which type of pruning?

Maintaining tree structure is a key objective of utility pruning, which is primarily designed to ensure the safety and functionality of trees in proximity to power lines and other infrastructure. This type of pruning focuses on removing branches that could interfere with electrical conductors while preserving the overall health and stability of the tree.

In utility pruning, arborists manage the tree's growth patterns to minimize the risk of branch failure and to maintain a clear space around utility lines. By ensuring that the tree maintains a proper structure, they help prevent issues such as power outages or fire hazards caused by tree contact with power lines.

The other types of pruning, such as landscape, fruit tree, and topiary pruning, have their own specific goals, such as enhancing aesthetics, promoting fruit production, or creating decorative shapes, rather than primarily focusing on maintaining tree structure in relation to utility infrastructure.