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Jorge Cervantes
Marijuana Horticulture
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Forum Description: Discuss the various problems encountered growing marijuana including pests, infections, deficiencies, etc.
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Old 02-03-2011, 12:39 PM   #1
gator-2006
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Marijuana Lice??
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I've had this problem for a few crops. Clones show signs of stunted growth. Stroking the plant leaves over a black surface and I can see very small insects (1/2 mm or so) fall from the leaves. They are whitish to tan. I haven't looked at them under a magnifying glass, but they move/crawl realatively quickly. Sometimes they jump. But they don't fly. I find them on the underside of the leaves. There are not alot of them, but they certainly do stunt growth and root development.

The closest thing I can find is that they are lice. I thought they were thrips, but they just don't seem to fit the descriptions/pictures that I have seen. They do seem to display the same symptoms of thrips (like silvery spots on leaves, stunted growth ...).

I don't have a picture, but i suspect that the are too small to even get any picture worth anything.

Any ideas on what they are and possible control. I do have neem oil. but I haven't used it yet. Are there any issues with using neem?

Thanks for any help.

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Old 02-04-2011, 01:29 AM   #2
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Sounds like it could be spider mites.
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Old 02-04-2011, 12:19 PM   #3
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There are no signs of webs though. These don't look like spiders. They are 4x longer than they are wide.
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Old 02-04-2011, 04:30 PM   #4
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Try an insectcide made for vegetable gardens, they won't ruin the buds:>)
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Old 02-04-2011, 04:32 PM   #5
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I hope your weed gets better

Can i send it a card?
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Old 02-07-2011, 08:21 AM   #6
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If there are mites, but no webs yet, by the time they make webs, you'll be screwed. I know.

Look up Doktor Doom. Get some. It's pretty cheap, but very effective.

Or, look up root aphids. I've not seen them on plants, but on and in soil. But, I think they're mites.
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Old 02-19-2011, 06:36 PM   #7
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Thrips
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