Bigjeff420
Active Member
Can anyone tell me what these spots r
Spots on leaves
- Thread starter Bigjeff420
- Start date
Killaki
Well-Known Member
Looks like thrips to me
Bigjeff420
Active Member
That’s what I thaught but there r no bugs or nymphs anywhere I can. See just the spots and snail trails that tell me it’s thrips I’m in 6 week of flowering any suggestions
Severed Tongue
Well-Known Member
Thrips. I just had em, used ortho bug b gone eco. Worked 100%. Had to apply it 2x. And I super cropped all damaged leaves just to make sure I got all the eggs. That was a week ago. Keeping watch might have to do it again after 2 weeks according to instructions.
You can see the little facker crawling in the middle of the leaf here. The tell tale dmg to the leave though, definitely a thrip.
You can see the little facker crawling in the middle of the leaf here. The tell tale dmg to the leave though, definitely a thrip.
Bigjeff420
Active Member
Yeah I’m in sixth week of flowering didnt want to use insectides but looks like I’m gonna haft ty for ur input appreciate it
firsttimeARE
Well-Known Member
Definitely dont use ortho bug be gone. Unless you dont value living. Has Bifenthrin as the active ingredient which the EPA lists as cancer causing.
Spinosad is less risky. But I wouldnt use it week 6.
If it were me id remove affected leaves and try and manage it as best as possible. Would remove a ton of fan leaves. They live under the fan leaves and in the ridges. This is where they hide.
Possibly get predatory insects. I had a thrip issue 2 years ago around this time I remember cause all the beneficial insect places were closed cause christmas.
I used Spinosad, but I was only week 3.
Spinosad is less risky. But I wouldnt use it week 6.
If it were me id remove affected leaves and try and manage it as best as possible. Would remove a ton of fan leaves. They live under the fan leaves and in the ridges. This is where they hide.
Possibly get predatory insects. I had a thrip issue 2 years ago around this time I remember cause all the beneficial insect places were closed cause christmas.
I used Spinosad, but I was only week 3.
Bigjeff420
Active Member
I’m thinking lady bugs might help I’m gonna try that and see
firsttimeARE
Well-Known Member
Those black specks are thrip frass (poop) and the damage is from their rasping jaws. They suck chlorophyll from the leaves
Bigjeff420
Active Member
Yeah I found one just now really really small I’m gonna get ladybugs that should work
firsttimeARE
Well-Known Member
Ladybugs
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Amblyseius swirskii
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(keep your grow warm for swirskii
Seems like it has a long lead time (7 days) and the holiday is near. So ladybugs are more readily available at hydro stores. swirskii is sort of a niche item.
Make sure any grow lights are sealed up or else they will flock to it and fry up.
Sorry I dont have any other bug advise. I aim to prevent getting bugs rather than trying to rid my grow of bugs.
Severed Tongue
Well-Known Member
Bug b gone eco is pretty mild, and won't hurt buds, plus you can give your plants a shower an hour after applying it
Canola oil and pyrethrin
NOT THE MAX, THE ECO.........
Canola oil and pyrethrin
Bigjeff420
Active Member
Ty guys
firsttimeARE
Well-Known Member
I would rather use spinosad this late in flower than pyrethrin, but everyones appetite for risk is different.
Im more of a cautious/worrier type of person.