Which type of pruning tool is considered most efficient for branches less than 1 inch in diameter?

The most efficient tool for pruning branches less than 1 inch in diameter is scissor-type pruning shears. This tool is specifically designed for making clean, precise cuts on small branches. The scissor action allows for greater control and ease of use, enabling arborists or gardeners to quickly and efficiently trim branches without damaging the surrounding tissue.

Using scissor-type shears minimizes injury to the plant because they create a clean cut, which helps to promote healthy regrowth and reduces the risk of disease. Their compact size and lightweight nature make them easy to handle, especially for delicate pruning tasks.

In contrast, tools like chainsaws and saws, while effective for larger branches, are overkill for such small cuts and can cause unnecessary damage to the plant or pose a safety risk to the user. Thus, scissor-type pruning shears stand out as the best option for branches of this size due to their efficiency, control, and suitability for the task at hand.