Mosquito dunks?

19 years ago

Many of us that start Daylily seed indoors over the winter have been plagued with fungus gnats. On another forum we were having a discussion about battles we've had and how they were won and lost. Putting sand on top of the potting soil and watering from the bottom works. Sprinkleing powdered cinnamon on top of the soil works, but someone told us they just keep a mosquito dunk in their watering can, and the bacteria that kills the mosquito larvae in the water also kills the fungus gnat larvae in the soil. This just might be an alternative to using the dish soap in bromeliad cups to kill mosquito larvae. I have not had any problems I just flush them all with the hose once a week, but it should work for bromeliads outdoors without harming anything other than mosquito larvae.

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Comments (5)

hotdiggetydam
19 years ago
Or you can buy the liquid 'BT' and just mix what you need
bambi_too
Original Author
19 years ago
That was said HDD, but almost everyone could find the dunks but not everyone could find the "BT" easily.
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hotdiggetydam
19 years ago
Well BT been around for a long time and the dunks take 2 weeks or more to work becuase the larvae have to eat the stuff.. if you live in mosquito country like I do I wont wait that long to get rid of the pests and the life threatning deseases they transmit.....The BT has been used here in vegatable gardening and is available in garden centers but not box stores
bambi_too
Original Author
19 years ago
I am going to have to go looking again, but last fall when I brought everything in and the Hatch started, I couldn't find any. Maybe its a regional thing. I don't remember seeing the dunks up here until the WEST NILE VIRUS showed up.
bambi_too
Original Author
19 years ago
I went to 2 good garden centers and the local farm supply/feed and seed, and they don't carry it, but all 3 have mosquito dunks. The idea is to keep a dunk in your watering can full of water so it is ready to use at all times. I think the liquid would be handier, so I guess I'll shop on line for some.