Wetland care Australia has been in touch with us and have reviewed CHCC proposal to mulch the Salvinia and like us have advised that regardless of spraying or mulching the weed will continue to grow back. They also advised that the release of the Salvinia weevil was badly timed in winter and would not have started to proliferate. As such the advice to CHCC is to do another release of the weevil in summer that would require some strip spraying of the salvinia and then releasing the weevils on the new growth.
CHCC costed the mulching at 40K and so we should now lobby them to use that money to physically remove the sediment from the lagoons to help in reducing the foot hold for the weeds. Please lobby CHCC in this regard.
Please email us kersten@westnet.com.au and cc Josh Keating in Wetland Care Aust on josh.keating@wetlandcare.com.au.
More as it comes to hand.
Paul and Kersten
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