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Fungus Gnats or Something Else?

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76 replies to this topic

#1
Veritas629

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Only my 2nd grow and my first soil grow. These little buggers showed up a few days after I up potted to a big mix of super soil. Kinda look like fungus gnats, but I'm not sure.

I gave the soil surface a good dusting of DE and I'll probably spray with But Out. Early veg still, so no worries about tainting buds....

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#2
bakedcake

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Looks like gnats to me. Prob already in the soil, let it dry up in the top layer. You in fabric pot? So they can’t get in the bottom and air movement along the top of pot. They are terrible flyers
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#3
Veritas629

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Yep, fabric pots.  I do have circulation fan too.  I'll give it a little tilt downwards to keep the surface dry.  If it weren't for the sticky card, I wouldn't have noticed them.  They aren't obviously buzzing around....


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#4
bakedcake

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Nah may just be a reminense of what was in the bag. If they can’t land on the top though you should be okay. You def no if you have an infestation. Gnats more annoying than anything and it’s there larvae that do the real damage at eating the roots. If anything putting 1cm cube of raw potato just under soil surface will help reduce larvae if ever needed. Though I think it’s minuscule what you have
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#5
midlifegardner

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Agree its gnats. Can get rid of them with a mix of h2o2 and water. Not a soaking but enough to get the top layer wet. I use a spray bottle when needed. But just having the stickies there keeps them well under control so you're doing the right thing.

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#6
Creepy Jesus

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I use a neem oil soil drench. The organic one from Bunnings is great. Enzymatic products also help



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#7
micmac

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If you're seeing that many on them mate they already have laid their eggs,because u have persisted to not let them dry out your soil is more than likely infested with larvae,where do u think those adults came from
U might get lucky n prevent any damage,or your roots have already been attacked n the evidence will appear on the plant itself soon,it will look similar to nutrient defiency or nutrient lockout
Best treat ,let them completely dry out,pot is as light as it will get,then wait 3 days n treat again,get what ever u have on top of your soil off so it can dry out
Treatment with neem doesn't necessarily kill them,but making the environment bug unfriendly will
Gnats won't go in soil that stays dry,a good fan not a pissy little thing over the top of your pots will also stop them getting comfortable ,I know your plant needs water,a old friend of mine ,Greenqueen,was a never afraid to let her pots completely dry out to the point that they started to droop,then water
This I think is a strategy u should adopt
There were several reasons she did this,don't think any one here is gonna knock her methods or results, maybe u should read 1 of her grow diaries,you will get all the information u require to grow a decent plant in soil in a pot ,much more information than u will get from Google or most ppl on here

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#8
VOSTOK

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I use a neem oil soil drench. The organic one from Bunnings is great. Enzymatic products also help



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Creppy's got it

 

Neem Oil does wonders

 

kills bugs molds even flies

 

organic and systemic

 

cheers/


Edited by VOSTOK, 25 May 2019 - 05:17 AM.

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#9
Porky 1982

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Creppy's got it


Neem Oil does wonders


kills bugs molds even flies


organic and systemic


cheers/

Hay vostok haven't seen you on oz stoners before only GC good to see you here mate.
This guy knows his shit.

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#10
Veritas629

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I'm going to avoid a H2O2 drench, because organic and don't wanna kill my bennies. But got some neem oil from Dr GT. First time using neem and it has advice for spray. What mix should I use for a drench?
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