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Category Archives: salvinia molesta
One of Australia’s worst weeds moves into Miles
AN URGENT community meeting will be held in Miles next Wednesday to inform residents about a potentially catastrophic weed outbreak in Dogwood Creek. The Miles community will learn the best ways to tackle the noxious Salvinia molesta weed infestation in the creek – the town’s drinking water supply. READ MORE
Posted in giant salvinia, harvesting, mechanical control, salvinia molesta
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Exotic weed spreads its tentacles in Waipa waterways
A blackmarket trade in a Brazilian aquatic weed is threatening to choke waterways in the Waipa District that could flood land and create a hazard where people and livestock could drown. Salvinia (kariba weed) was introduced to New Zealand nearly a century ago for fishponds and is now found in Northland, Auckland, Waikato and Bay of Plenty. A Waipa District Council worker discovered a small amount of the invasive plant in a stormwater pond near Te Awamutu last month but failed to recognise the species and when he returned six weeks later, he found the pond choked by the plant. “In six weeks it had gone from pretty much nothing to the entire 50 metres by 20 metres pond,” Waikato Regional Council biosecurity officer Darion Embling said. READ MORE
Posted in criminal penalties, kariba weed, salvinia molesta
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The salvinia struggle
Currently, 4,000 acres of Lake Bistineau are covered by salvinia; three weeks ago, the fern covered just 1,500 acres. While a tough plant, the fern needs water to survive, leading Louisiana Wildlife & Fisheries to believe a drawdown on Lake Bistineau could be a possible treatment for the salvinia. READ MORE
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Drawdown planned at northwestern Louisiana’s Lake Bistineau to fight invasive weed
SHREVEPORT, Louisiana — The Louisiana Department of Wildlife and Fisheries plans a drawdown on northwestern Louisiana’s Lake Bistineau, hoping to stop the spread of giant salvinia, an invasive aquatic weed. Control gates will be used to lower the level by about 4 to 6 inches per day. The lowering will not exceed 7 feet below normal pool stage.
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State lawmaker from Shreveport wants a new way to kill aquatic weeds
Louisiana Rep. Patrick Williams (D-Shreveport) is trying to draw attention to the invasive aquatic weed giant salvinia that continues to clog many waterways in the state. Williams said his constituents want to see results that go beyond chemical sprays and weed eating weevils raised in university research labs.
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Posted in giant salvinia, mechanical control, mulcher, salvinia molesta
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Man fined for selling noxious weeds
A Woonona man has been fined after more than 500 illegal weeds were found in his home last week. READ MORE
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Noxious weed poses a significant threat
A NOXIOUS weed outbreak capable of completely choking freshwater streams and rivers has been discovered in the wetlands of Connection Creek and the Maria River.
Salvinia molesta – a NSW declared Class 3 Noxious Weed – moved throughout the wetlands and into the systems after the recent bouts of severe flooding. READ MORE
Salvinia molesta – a NSW declared Class 3 Noxious Weed – moved throughout the wetlands and into the systems after the recent bouts of severe flooding. READ MORE
Posted in salvinia molesta
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Report on the volunteering weekend at Puttenahalli Lake
With some 20 volunteers responding to our call to remove the drying aquatic weed from the lake bed, it was a most satisfying morning today! READ MORE
Posted in compost, hand-pulling, international, physical control, salvinia molesta
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Weevils successfully destroy acres of lake-invading plants
(Phys.org)-A weevil that feeds exclusively on giant salvinia has successfully destroyed about 150 acres of the invasive plant this summer on B.A. Steinhagen Lake near Woodville in East Texas, according to personnel involved in a statewide giant salvinia management program.
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Growing and sharing banned aquatic plants is illegal
The Ministry for Primary Industries and Bay of Plenty Regional Council are urging residents not to grow or share banned aquatic pest plants because they pose a huge risk to our waterways. They are particularly concerned about salvinia (also known as kariba weed) and water hyacinth.
Posted in salvinia molesta, water hyacinth
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