Mississippi River water hyacinth, water lettuce and parrot feather, oh my!

Posted January 2014
In recent years, three invasive species of aquatic plants have been found in Pool 5 of
the Mississippi River near Buffalo City, WI. Water hyacinth and water lettuce were first found in 2011 in Pool 5; in 2012 parrot feather was found in an isolated bay of Pool 5. Thousands of water lettuce and water hyacinth plants were found in Pool 5 in 2011 and by 2012 the populations exploded into the tens of thousands.
 READ MORE
Posted in Eichhornia crassipes, Myriophyllum aquaticum, parrot’s feather, Pistia stratiotes, water hyacinth, water lettuce | Comments Off on Mississippi River water hyacinth, water lettuce and parrot feather, oh my!

Weed treatment proposed for outstanding lake

Posted January 2014
Lake Kohangatera is to receive treatment to eliminate two new invasive weed species following surveys by NIWA after the aggressive exotic weeds Elodea canadensis and Egeria densa (Oxygen weed) were found in the uppermost reaches of Gollans Swamp. READ MORE
Posted in chemical control, diquat, egeria densa, Elodea canadensis | Comments Off on Weed treatment proposed for outstanding lake

Invasive weed made pond like ‘a green baize snooker table’

Posted January 2014
The Parrot’s Feather weed is native to South America, but has taken hold at numerous sites across Britain, including the pond on Hatherleigh Moor. Matt Edworthy said, “All these efforts and the three tonnes only accounts for about half of the pond. When we turned up, the pond looked like it was covered in green baize, like a snooker table.” READ MORE
Posted in hand-pulling, Myriophyllum aquaticum, parrot’s feather | Comments Off on Invasive weed made pond like ‘a green baize snooker table’

Hydroacoustics Technology Makes Waves in Weed Control

Posted December 2013
The same hydroacoustics technology used to navigate boats, track fish and hunt for sunken treasure is now making waves in weed control – shedding new light on the size and shape of plant beds lurking beneath the water. READ MORE
Posted in hydroacoustics, mapping systems, new technology | Comments Off on Hydroacoustics Technology Makes Waves in Weed Control

Commission discusses controlling lake weed growth in N.J. and N.Y.

Posted December 2013
The bi-state Greenwood Lake Commission (GLC), as it has since its inception 13-years ago, continues to talk about how to combat aquatic weeds that, this year, have been particularly prolific in the lake’s extreme northern and southern shallows. READ MORE
Posted in aeration, dredging, harvesting, herbicide, hydro-raking, milfoil | Comments Off on Commission discusses controlling lake weed growth in N.J. and N.Y.

POISONOUS PEST: Hydrilla doing more than clogging lakes

Posted December 2013

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A noxious aquatic weed has been identified as a suspect in the deaths of one of America’s most iconic symbols of freedom, the bald eagle.  READ MORE
Posted in avian vacuolar myelinopathy, AVM, food chain, neurotoxin | Comments Off on POISONOUS PEST: Hydrilla doing more than clogging lakes

CMA grant helps target invasive Alligator weed

Posted December 2013
Efforts to control Alligator Weed within the region has been “put on the front foot” after local councils were given $200,000 towards their invasive aquatic weeds programs. READ MORE
Posted in alligator weed, control programs, educational outreach, inspection programs | Comments Off on CMA grant helps target invasive Alligator weed

Aerial spraying on lake scheduled Nov. 4-15

Posted December 2013
Santee Cooper will conduct a helicopter treatment of EPA-approved aquatic herbicide targeting the invasive aquatic plant water hyacinth in Lake Marion Nov. 4 – 15 READ MORE
Posted in aerial application | Comments Off on Aerial spraying on lake scheduled Nov. 4-15

One of Australia’s worst weeds moves into Miles

Posted December 2013

Source: Warwick Daily News (AUSTRALIA) 9-2089413-tcn071113weeds2_t46011/1/13

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 | Comments Off on One of Australia’s worst weeds moves into Miles

Herbicide back in the discussion of Rogers Lake weed control

Posted December 2013
For years, the towns have tried organic options, such as harvesting, suction harvesting and benthic mats, to control the weeds. But emphasizing the costs and pervasiveness of the weeds, members of Monday’s discussion explored the possibility of studying the use of herbicides in the lake or dredging parts of it. READ MORE
Posted in fanwort, southern naiad, variable milfoil | Comments Off on Herbicide back in the discussion of Rogers Lake weed control
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