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re: aquatic weed killer
Posted on 8/17/23 at 12:46 pm to indytiger
Posted on 8/17/23 at 12:46 pm to indytiger
this year has been horrible with the banks around our pond, we skipped some weed eating and it seems like it grew so quick and very thick, out of control.
We got it all cut down but we want to spray something to help kill roots and not come back. What is growing out into the pond we have had to rake out in the past. Was hoping there may be something to kill it. Didn't think about only spraying part of the pond at a time. Great advice!
We got it all cut down but we want to spray something to help kill roots and not come back. What is growing out into the pond we have had to rake out in the past. Was hoping there may be something to kill it. Didn't think about only spraying part of the pond at a time. Great advice!
1
Posted on 8/17/23 at 7:31 pm to tigergrl
AquaPlant out of Texas A&M might help you with identification and chemical control suggestions LINK as well as this Univ of Florida website LINK
But as stated glyphosate (“Roundup”) that is labeled for use in aquatic environments (Rodeo) can be effective, 2,4 D formulations and others can be effective. Diquat as mentioned is a good aquatic herbicide but a contact herbicide, not a systemic, so it doesn’t kill plant roots - better used control simple aquatic weeds like duckweed.
Dangerous in this heat to kill to many plants present in the water b/c even though herbicide is safe for fish, the potential for oxygen depletion from decaying vegetation present in the water can cause a fish kill. As stated by another poster you need to treat smaller areas of the pond, exceeding on more 1/3 of the bank margin, at a time, waiting a few weeks before moving to another area.
But as stated glyphosate (“Roundup”) that is labeled for use in aquatic environments (Rodeo) can be effective, 2,4 D formulations and others can be effective. Diquat as mentioned is a good aquatic herbicide but a contact herbicide, not a systemic, so it doesn’t kill plant roots - better used control simple aquatic weeds like duckweed.
Dangerous in this heat to kill to many plants present in the water b/c even though herbicide is safe for fish, the potential for oxygen depletion from decaying vegetation present in the water can cause a fish kill. As stated by another poster you need to treat smaller areas of the pond, exceeding on more 1/3 of the bank margin, at a time, waiting a few weeks before moving to another area.
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