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Thread: Thrips and Trichomes

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    Default Thrips and Trichomes

    Hello all.

    My Thrips have returned Ive heard from a user from a different forum that Thrips wont touch buds or leaves which have Trichomes present is this true? My plants r covered in trichs and resin and they seem to be untouched by the Thrips so im assuming what this user said is true! Can anyone confirm this?

    My plants are 4 weeks into flower and r frosting up really nicely and the infestation of the thrips seems to be low.. I think they're finding life hard from the heat of the HPS!

    Do u think I should leave them and just kill the Thrips on sight? My main concern is the buds but they're untouched by Thrip damage!!

    Advice appreciated!
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    whats a thrip, iv never heard of it???????

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    Quote Originally Posted by nrg172 View Post
    whats a thrip, iv never heard of it???????
    nasty little buggers that look like this-->


    and do this kind of damage-->


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    Ive just harvested a cheese plant that had a mega thrip problem,the plant in question was covered in the little bastards I tried neem oil,organic insecticide sprays, diluted washing up sprays etc etc they all worked temporarily but the little bastards just came back 4 more, It was more about controling them than exterminating them which the above mentioned done quite well!I never found any thrips on anywhere there was thc tho. hope this helps

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    Quote Originally Posted by evo4ever View Post
    Hello all.

    My Thrips have returned Ive heard from a user from a different forum that Thrips wont touch buds or leaves which have Trichomes present is this true? My plants r covered in trichs and resin and they seem to be untouched by the Thrips so im assuming what this user said is true! Can anyone confirm this?

    My plants are 4 weeks into flower and r frosting up really nicely and the infestation of the thrips seems to be low.. I think they're finding life hard from the heat of the HPS!

    Do u think I should leave them and just kill the Thrips on sight? My main concern is the buds but they're untouched by Thrip damage!!

    Advice appreciated!
    Anymore input on this as I have thousands of the little buggers with three weeks to go.

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    My Thrips dont seem to like the conditions in my tent.. hot and dry so im guessing thats whats keeping their numbers small. I dont think my Thrips r a problem.. the damage is very minimal. Im just gonna keep an eye out and I only have 4 weeks left till harvest!

    Im growing a very special plant called UK Cheese crossed with Blueberry or UK Blue Cheese I aquired them as cuttings, and 1 dutch bagseed.

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    Sounds an interesting strain Evo4ever is it one of yours or are they shop bought? The good news is, I've just been in to take a closer look at my plants and it seems true that they don't like leaves with trics on them. So if I can keep them out of the veg room I can fumugate the the flower room a couple off times as soon as I've cropped.

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    Heres a pic btw at week 4...



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    Quote Originally Posted by whitewidman View Post
    Sounds an interesting strain Evo4ever is it one of yours or are they shop bought? The good news is, I've just been in to take a closer look at my plants and it seems true that they don't like leaves with trics on them. So if I can keep them out of the veg room I can fumugate the the flower room a couple off times as soon as I've cropped.
    I got them off my neighbours m8. Hes been growing Exodus UK Cheese for years and he crossed it with a Blueberry male while still retaining the UK Cheese traits!! quite amazing!

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    yea sopunds very intresting evo
    i am dying to get some exodus uk cheese cuttings but haven't really got a trusted source, got a couple off a friend, flower'd em and they come out like bb cheese (which i know coz i've grown plenty of it)

    had one that i grew from seed (greehouse seeds) that turned out alot more like the uk cheese but never got a cutting off it
    Last edited by b.t.y; 14-09-09 at 11:10 PM.

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    Quote Originally Posted by dj # View Post
    nasty little buggers that look like this-->


    and do this kind of damage-->


    thanks dj, im guuna keep a close eye out 4 these lil buggers!!

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    yea apparently my plants have thrips but i cant see them on my leaves or anything
    i used some of this which i got out of homebase but not sure if it has worked

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    do these little bastards fly?ive never had any(and never want any)they look like what i know as a fruit fli(but slightly diffrent colour),are they/is it the same thing?

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    Thrips lay eggs in your leaves. When the eggs hatch, the prepupal thrips will look for a dark place to develop, most likely dropping to the soil below. Try covering your pots with plastic or tinfoil. This should stop them from finding the environment needed to survive and hopefully kill the infestation or at least keep it under control.

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    How do these things get to the thc trees? Is it something brought in from outside or something that happens in the UK?

    Is there anything in the pre planning stage that can be bought/used to stop this.
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    Yes they fly when adults and yes you can prevent them setting up home with Neem Oil. I have been plagued with thrips this grow and will be using Neem from the start to stop them feasting on my next grow.
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    Quote Originally Posted by Greensmith View Post
    Yes they fly when adults and yes you can prevent them setting up home with Neem Oil. I have been plagued with thrips this grow and will be using Neem from the start to stop them feasting on my next grow.
    Ok some organic item I need to get later when ready to go.

    Can you explain how they get there? Will a clean sterile tent stop it?

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    My tent is in my external boiler room off our patio so mine come in from the patio plants everytime I open the tent thats why I looked for a preventative solution. They are managable with bug sprays (chemical or Organic) and I can't tell you how much damage they do to the yield as I have always had them but I have managed to grow decent, potent buds even with them munching on the fan leaves.

    I would imagine, like mites, they can come into the room on your clothing if your grow in 100% internal but with products such as Neem Oil they won't stay even if they do get in.

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    Default good photo of thrips

    We'd like to use the image in a book I'm designing -- let me know how you'd like the photo credit to read.

    Thanks!

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    I had a bad dose a couple of years back of these from using unsterilised garden soil

    S&B Plant Invigorator is a good thing to get the blighters.. spray every 2-3 days to get the ones on the leaves (making sure to get the undersides well) It is odourless, organic, and safe to use - just don't spray the buds too much or you encourage mold, and the trichs should discourage them climbing that high (they get stuck in the oil & die)
    I think this stuff is a fairly strong anti-fungal too, so I wouldn't recommend root drenching if you are organic or using mychorhizoa (or whatever the stuff is called!)

    Also cover the top of the pot with a piece of paper (just cut a slit 7 small hole for the stem to poke through) & this should stop the buggers getting down to the soil & interrupt the life cycle. Apparently when the eggs hatch, the larvae drop down off the plant, and if you stop them getting to the soil then you stop them growing up.

    Keep spraying for 2 weeks, and keep the paper cover on for the rest of the grow, & your thrip problem should go away

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