ABSTRACT
Problems concerned with weed control in aquatic sites are specialized because of conditions relating to the environment, i.e., the environment primarily determines which method is effective and safe for controlling a given aquatic weed. As supplements to design and construction of canals, ponds, lakes, and reservoirs, a number of management practices can be utilized to control aquatic weeds or prevent them from becoming a problem include draining, flooding, fertilization, and livestock grazing. Although the traditional hand and mechanical methods of controlling aquatic weeds have recently been replaced to a large extent by herbicides, the hand and mechanical methods are still advantageous in many situations. The common practice for farmers to continue diverting water onto crops during periods when Xylene® is used for weed control. The use of herbicides for the control of aquatic weeds poses some unique problems due in part to differences in plant morphology and in part to the differences in the plant environment.
