1. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.infectious agent, infective agent-an agent capable of producing infection. Translations.. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.
Agricultural Tools. The Agricultural Tools ClipArt gallery offers 195 illustrations of hand tools such as plows, pitchforks, insecticide sprayers, rakes, and rollers.
Weeding Tools. Weeding tools may be one of the most used of garden tools and for good reason, we all have weeds. Weeding tool types are as numerous as the weeds we want to destroy so we invite you to take a look at the many time tested weeding tools we offer and see if there is one to help you with your weeding problem. Sneeboer Garden Tools.