I am a licensed pesticide applicator in the state of Colorado. I am a badged grower here in the industry. Some things you want to know...
You would not have fungus gants at all if there was no fungus to feed on. There would be no fungus to feed on if it was not growing in your pots and on your roots. This is only happening because your growing media is staying wet. Fungus gnat larvae live in the media and they feed on fungus and on decaying root matter. They can also feed on the fine root hairs. The larvae can only exist in a moist environment. If you dry down your media between watering, you have a chance at getting rid of the gnats all together in time. Problem is, not all pots dry down at the same time, so sometimes you have wet pots and dry pots in the same room so the gnats always have somewhere to fly to and lay more eggs. See what you can do about this...
In the mean time.. use breathable fabric smart pots that do not have bottom holes for drainage. The only opening is at the top. Top dress the media with Diatomaceous earth. That way, any gnats coming in or out of the pot will get cut up and die from the top dressing.
You can also use yellow sticky cards and petroleum jelly on the rim of the pot. Catch as many adults as you can. Sometimes putting a bug zapper light in your grow space will help kill flyers as well.
What do you think?
You would not have fungus gants at all if there was no fungus to feed on. There would be no fungus to feed on if it was not growing in your pots and on your roots. This is only happening because your growing media is staying wet. Fungus gnat larvae live in the media and they feed on fungus and on decaying root matter. They can also feed on the fine root hairs. The larvae can only exist in a moist environment. If you dry down your media between watering, you have a chance at getting rid of the gnats all together in time. Problem is, not all pots dry down at the same time, so sometimes you have wet pots and dry pots in the same room so the gnats always have somewhere to fly to and lay more eggs. See what you can do about this...
In the mean time.. use breathable fabric smart pots that do not have bottom holes for drainage. The only opening is at the top. Top dress the media with Diatomaceous earth. That way, any gnats coming in or out of the pot will get cut up and die from the top dressing.
You can also use yellow sticky cards and petroleum jelly on the rim of the pot. Catch as many adults as you can. Sometimes putting a bug zapper light in your grow space will help kill flyers as well.
What do you think?