|
Herbicide
Chemical
|
Target
Plants
|
Treatment
|
Comments
|
|
Ammonium
sulphate
|
Fontinalis
|
225
kg / ha
|
Applied
to the pond when dry as a preventative measure
|
|
Ammonium
Nitrogen
|
Elodia
|
225kg
/ ha
|
Applied
to the pond when dry as a preventative measure
|
|
Aquathol
|
submerged
macrophytes
|
18.8
litres / ha
|
|
|
Calcium
Cyanamide
|
Macrophytes
|
750kg
/ ha
|
Applied
to filled ponds with no stock in. Pond should be fully drained and
refilled prior to stocking
|
|
Copper
Oxychloride
|
Filamentous
algae (except Chara)
|
1
kg / ha
|
|
|
Copper
Sulphate
|
Algae
|
0.5
- 1g / m3 in pH < 7.0, to 1.5g / m3 in pH
> 7.0
|
Toxic
to fish, therefore only ¼ - 1/3 pond should be treated at any one
time.
|
|
Cutrine-Plus
(Copper sulphate with triethanolamine)
|
Algae
|
Liquid
form - 1.85 ml / m3. Granular form - 66 kg / ha.
Administered 2 -3 times a year.
|
Dilute
the liquid form to at least 10 : 1 for good coverage of th water
|
|
Dichlobenil
|
Submerged
weeds
|
Depth
<0.6m - 5.5 kg / ha
Depth
>0.6m - 10 kg / ha
|
Dose
rates are for the active ingredient. Formulations will contain
diluted amounts. Adjust dose accordingly
|
|
Diesel
fuel
|
Macrophytes
|
470
litres / ha
|
Sprayed
onto floating weeds
|
|
Diquat
|
Floating
or submerged macrophytes
|
at
<0.3m depth 0.5 litres / 100m2
at
>0.3m depth 1.0 litres / 100m2
|
Completely
de-activated by mud. Ineffective in muddy
waters or areas where sediments have recently been disturbed.
|
|
Fenac
(2,3,6 Trichlorophenyl acetic acid)
|
submerged
macrophytes
|
22.5kg
/ ha
|
|
|
Glyphosate
|
Emergent
and floating leaved plants
|
1.2
- 2 litres / ha
|
Dose
rates are for the active ingredient. Formulations may contain
diluted amounts. Adjust dose accordingly
|
|
Malachite
Green
|
Filamentous
algae (except Chara)
|
0.23g
/ m3
|
|
|
Quicklime
|
Floating
algal masses
|
Administration
as required to raise the pH of the water to 10.2
|
Note
: Will cause damage to fish and other animal stocks
|
|
Sodium
Chlorate
|
Macrophytes
|
300kg
/ ha
|
Applied
to the pond when dry as a preventative measure
|
|
Superphosphate
(powder)
|
Filamentous
algae (except Chara)
|
600
kg / ha
|
|
|
Terbutryne
(Clarosan 1% W/W)
|
Submerged
plants and algae
|
Susceptible
plants - 5kg / 100m3
Moderately
resistant plants - 10 kg / 100m3
|
|
