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Southwest Louisiana ,
Giant salvinia. (

Giant salvinia. (

Salvinia spraying starts Thursday at Toledo Bend

Last Modified: Tuesday, November 27, 2012 12:09 PM

BATON ROUGE (AP) — The Louisiana Department of Wildlife and Fisheries said planes and boats will spray herbicide to kill giant salvinia on Toledo Bend this week.

Spokeswoman Ashley Wethey said aerial spraying on Thursday will concentrate on shallow, treeless backwaters. She says airboats crews will spray tree-filled waters and edges of the treatment area on Friday.

Notices indicating areas to be sprayed will be posted at boat ramps. Activities in the rest of the lake won't be affected.

Giant salvinia is an invasive weed that can create a thick mat on still water. It was first found in Louisiana in 1998, on Toledo Bend.

Low water from the recent drought helped to keep it at a minimum. However, water levels are returning to normal, providing lots of open water for the plants.

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