Quantcast Herbicides for Use in Ponds,Lakes, and Reservoirs -Cont. - mo3140169

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HERBICIDES FOR USE IN PONDS, LAKES, AND RESERVOIRS -- Continued
Treatment
(Application rate;
Weeds Controlled
Time of Application
Remarks
cost per pound)
Same as for copper sulfate above.
Copper organic complex
On a sunny day when wa-
Planktonic algae.
ter temperature is above
(for example, et hanola-
70F.
mines) (0.2-0.5 p/m by
weight
copper
ion;
$135.00/lb)
Same as for copper sulfate above.
Copper organic complex
On a sunny day when wa-  Benthic and filamentous
ter temperature is above  algae.
(for example, et hanola-
70F.
mines) (0.5-l p/m by
weight; $135.00/lb)
Apply evenly over water surface. May be used for spot or
Chara spp.
When algae first appear.
Dichlobenil, granules (10-15
partial treatments of lakes and ponds. Do not use in
lb/a; $31.00/lb)
irrigation water, or in livestock or domestic water. Do not
use fish for 90 days after treatment. No H2O tolerances
have been established. Corps of Engineers approval re
quired.
Fish will be killed above 0.3 p/m by weight. Do not use
Endothall (dimethylalkyla- W h e n a l g a e f i r s t a p p e a r . Benthic and filamentous
fish for food or feed within 3 days after treatment. Do
algae.
mine salts) (liquid:
not use treated water for livestock or domestic purposes
0.5-0.8 p/m by weight;
within 7 days after treatment of 0.3 p/m by weight, or
granules: 0.05-1.5 p/m by
within 14 days after treatments between 0.3 and 3 p/m by
weight; $10.40/lb)
weight.
Safe for fish and for swimming. Not for irrigation water,
Simazine (0.5-1 p/m by
When algae first appear.
Planktonic algae
or for water used for animal or human consumption for
weight; $4.00/lb)
12 months posttreatment.
Safe for fish and for swimming. Not for irrigation water,
Simazine (1.3 p/m by
W h e n a l g a e f i r s t a p p e a r . Benthic and filamentous
or for water used for animal or human consumption for
algae.
weight; $4.00/lb)
12 months posttreatment.





 


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