| 摘要 |
<p>A dispenser for the application of biocide to a surface, comprising a reservoir containing a fluid or semi-fluid formulation of the biocide and having an outlet closed by a plug which, on frictional contact with the surface releases the biocide formulation onto the surface. Suitable plugs include porous felt, spring-loaded valves and movable balls, and the biocide formulation is conveniently retained in the reservoir by a cellular filling. There is also provided a method for the control of insects and/or fungi by the use of such a dispenser to apply insecticide or fungicide to an appropriate surface.</p> |
