RAGWORT CONTROL METHOD

摘要

A method for controlling senecio jacobaea, or Common Ragwort, involves the preliminary steps of identifying a target Ragwort plant (1) and characterising its growth phase (5) as either "woody stem" or "rosette". A nozzle guard (12, 13) appropriate to the characterised growth phase is then selected (6a, 6b) and fitted to a knapsack sprayer (11). The target Ragwort plant is then isolated (7a, 7b), from its surrounding environment by placing the nozzle guard (12, 13) therearound. Subsequently, an amount of weed-killing composition appropriate to the characterised growth phase is applied to the target plant by spraying (8a, 8b) from a reservoir (14) in the knapsack sprayer (11).