Step 1: Identify the tool.
A secateur is a hand-held cutting tool, also known as pruning shears.
Step 2: Its application.
It is specifically designed for cutting branches, stems, and shaping plants during pruning.
Step 3: Analyze the wrong options.
(A) Sowing – requires seed drills, not secateurs.
(B) Irrigation – done with channels/pipes, not tools like secateurs.
(C) Budding – involves knife grafting, not secateurs.
Step 4: Conclusion.
Thus, secateurs are used in pruning.