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Control and Management of Cogongrass and other Exotic Grasses on Disturbed Lands in Florida: Research Report

03-157-249Final

Invasive exotic plants are major problems on disturbed lands, such as reclaimed mined lands, but also in natural areas in Florida. The control of exotic nuisance plants is a major contributor to reclamation, restoration and management costs in natural areas and on disturbed lands. This report summarizes research and demonstration projects conducted by FIPR Institute Staff on the management of cogongrass (Imperata cylindrica) and other exotic grasses: torpedograss (Panicum repens), smutgrass (Sporobolus indicus), natalgrass (Melinis repens, synonym: Rhynchelytrum repens), bahiagrass (Paspalum notatum), and bermudagrass (Cynodon dactylon). The research included studies of competitive interactions with native plants, improving the effectiveness and efficiency of herbicides for control, and selective herbicidal control of weeds (including native plant tolerances to herbicides). The report also includes guidelines and recommendations for managing the exotic grasses based on FIPR Institute research and experience plus the available literature. Bibliographies are included at the end of each chapter for those who wish to delve into various topics in greater detail.