Domestic forms of the Ludwigia have been seen along the edge of the laguna since the 1930s, but it does not form the dense mats typical of hexapetala.
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The reason these plants are scattered all over the globe is because " Ludwigia " can be generated during all seasons just from fragments of stems or rhizomes.
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CREDIT : Kent Porter / The Press Democrat-----Water weed spreads in Northern California Officials urgently seek ways to control Ludwigia in Russian River, other areas
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The worst infestations of Ludwigia are in the laguna near Sebastopol and in flood-control channels in Rohnert Park, where the weed now sprouts five feet above the water.
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Ludwigia's leaves cover and smother native plants and decrease the amount of open water where ducks can land and herons can wade in search of food, Sears said.
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He said the only direct way to control Ludwigia is with herbicides, most likely Rodeo, but the cost of application and in fighting anti-pesticide lawsuits would be high.
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Editors, two photos are available at Wieck . 1LUDWIGIA-- With a yellow flower and bright green tendrils, ludwigia, an import from Uruguay, is attractive to the eye.
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He said he has asked the Laguna Task Force, a coalition of government agencies with responsibility for the laguna, to give him a plan and options for Ludwigia control by Oct . 20.
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The Sonoma-Marin mosquito control district fears that lowering flows in the Russian River, as proposed by the Sonoma County Water Agency, would hasten the spread of Ludwigia into the river and downstream.
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Removal options under discussion include hand or mechanical removal, cattle grazing in places where the plant lives on land, covering small terrestrial areas of Ludwigia with plastic to deprive them of sunlight and dredging the channel.
How to say ludwigia in Hindi and what is the meaning of ludwigia in Hindi? ludwigia Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
