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White markings on Leaves - Pest Control

Yiako
Yiakostarted grow question 5 years ago
Hello growers, White markings on leaves and small flies appearing under the leaves. Plants grown outside, on soil. Any idea of what pest it is ? What are it's negative effects ? How to repel it ? Thanks in advance, Yiako
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Week 5
Leaves. White powder
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Snoleperd
Snoleperdanswered grow question 5 years ago
Buy some food grade de earth, let your soil dry and keep it dry for 72 hours, it's powder so sprinkle around plant and lightly dust fans use a piece of balled up toilet paper and dust both sides, after 72 hours give a light flush and check ph, that will kill them off, ure outside? Bring them in at night so they dont get wet during treatment, i use it all the time indoors for those gnats or fruit flys that sometimes get in your mix, even killed off a bad case of thrips that somehow infected my grow, it will kill any bug with an exoskeleton pronto and organicley and cheaply, the key is not to let the dust get wet during treatment.
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GMSgrows
GMSgrowsanswered grow question 5 years ago
I use a pump up sprayer with a spray wand and I blast all the underneath of all the leaves with a little Dawn dish soap mixed with water. Don't hurt the plant and also fixes bad infestations of spidermites pretty quickly, as long as you keep at it every few days. I do this when the sun or lights go down
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NobodysBuds
NobodysBudsanswered grow question 5 years ago
using diatamaceous earth can keep some pests out too. cuts them up, from how i understand it. sounds wonderfully painful!
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YourGrowmie
YourGrowmieanswered grow question 5 years ago
fungus gnats. They live in your soil. They like warm and wet place. I was using the yellow traps and let the pot dries out. Problem is that these motherf... are really everywhere. I fight with that last year and i am greatfull that i was in last stage of flower. It looks like they are immortal 😂 you can try some liquids.
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Nor_Cal_Kannabliss
Nor_Cal_Kannablissanswered grow question 5 years ago
Hum, I had something like that on one of my outdoor plants. What type of water are you watering with? Straight from a hose? The new growth looks fine, so I'd say your probably ok unless it starts showing up on new growth also. As for bugs, go get some Neem oil and make a Foliar spay to soak your plants with once a week. Has really helped all my girls. Check out and follow my first grow for visuals and tips on what to expect and what to not do! Cheers!
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