Thrips day 42 of flower

JHake

Well-Known Member
Hello RIU.

Tomorrow will begin week 7 of flower. Strain is Belladona, the breeder says 9 weeks. I don't believe so but that's the data.

My plant has thrips. Not sure when they appeared, maybe a week ago.

I top dress with amedments and EWC once every 7-10 days. I thought my EWC would have enough bugs to kill the thrips, but i see the thrip larvae in the leaves of the plant.

Not sure if i can spray with something, would you do that? Here i attach a pic of the buds so you can tell me what you think about foliar spraying.

I also did some defolation. Air flow is good, i have one oscillating fan on the floor and another one hitting the canopy. Would you keep on removing leaves?

Max temps are 30C/86F but in average is 26C/78F most of the time with lights on.
 

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Kdoggy

Well-Known Member
Im not sure if youve had thrips before but i battled them for 2 years so after this grow you will need to seriously clean bleach paint repeat room but your here now. Your on week 7 there is no reason to panic. I litterally flip leaves and kill them as u see them they wont affect the bud quality. You can remove any seriously damaged leaf. Dont wet your buds pm is far worse than thrips eating your fan leaves. I find they love the old biggest fan leaves and 1 thrip can eat on a few. Deff do not spray down your plant with some chemical to kill them they damage leaves which you dont smoke.
 

m4s73r

Well-Known Member
Just go easy. Dont soak your buds. hell id proly just spray under your canopy up into it. get the underside of everything then maybe lightly over the top. lighter sprays more often.
 

JHake

Well-Known Member
I am in a tent.

Im not sure if youve had thrips before but i battled them for 2 years so after this grow you will need to seriously clean bleach paint repeat room but your here now. Your on week 7 there is no reason to panic. I litterally flip leaves and kill them as u see them they wont affect the bud quality. You can remove any seriously damaged leaf. Dont wet your buds pm is far worse than thrips eating your fan leaves. I find they love the old biggest fan leaves and 1 thrip can eat on a few. Deff do not spray down your plant with some chemical to kill them they damage leaves which you dont smoke.
Last grow they also appeared late flower. Will do the whole room and tent cleaning before next run.
 

Kdoggy

Well-Known Member
I am in a tent.



Last grow they also appeared late flower. Will do the whole room and tent cleaning before next run.
So i find they cycle i would kill wash plants in tub and wash buckets etc in veg plant would recover and boom would do a mass kill off of leaves and repeat they will keep cycling its relentless. Deff fill spray bottle with diluted bleach and spray everything from lights fans etc. Vacuum all leaves debris and repeat the bleaching a few times. Im 8 months free knock on wood. I lost some long term pepper plants from those bastards the endless cycle of boom to bustwith plants that dont have a end cycle. At least with weed its got a end date lol.
 

m4s73r

Well-Known Member
Ladybugs for the room. clean everything out, put a veg plant in the center of the room. Plant attracts the thrips which attracts the ladybugs. throw the tent away and buy a new one. even with a power washer they'll hide in the stiching and shit. For a hundy you can get a new tent.
 

JHake

Well-Known Member
It's pretty expensive here in my country for me to buy a tent. I was thinking about upgrading to using the room.
 

myke

Well-Known Member
Ive had thrips for two years,I just about get them all spraying in veg but 10 week flower gets em goin again. I just live with it.
 

Richard Drysift

Well-Known Member
I used to get thrips on the regular but just doing a couple things differently got rid of them for good. First you gotta treat the infestation you have. Monterey Garden Spray w/spinosad is safe for organic soil and you could even spray the buds if you had to. It dissipates in 10-14 days so as long as you have more than a couple weeks to go before chop you can spray spinosad. It rinses off with water too so just give the plant a good folar drenching after the bugs are gone. Could take 2-3 treatments to eliminate the thrips. Give plants a spray of spinosad whenever you see those tell tale splotchy veins on the leaves. Pay extra attention to the undersides of leaves.
Prevention, of course, is much easier than treatment. Amending with neem seed meal will help control leaf munchers like thrips. Add about 2 cups of neem seed meal for every cu ft of soil. Yes it smells weird, like some kind of spice, but it works. Neem gets into the flesh of the plant and when consumed by bugs via the leaf veins it fills their bellies like cement and they forget to eat.
You don’t need a new tent!!! Straight neem oil sprayed directly on the plants will also help quell them; just takes a bit longer than the spinosad in my exp because it must be consumed by the bugs to work.
 

Bukvičák

Well-Known Member
Do not spray with anything otherwise you gonna smoke that shit. Thrips are bad but not as bad. Remove all heavy infested lower leaves and go on.
 

Green_Alchemist

Well-Known Member
I’d avoid spraying chemicals or Neem oil at all costs this far into flower. For health reasons and quality purposes.
Your buds are too developed to do that, and you will still have to wash your buds off after anyways.

These little buggers are hard to get rid of (but not impossible).
The reason is because of how they lay their eggs and the lifecycle they have.
The adults actually pierce the leaf, and lay their eggs INSIDE the leaf... which protects them from everything until they hatch and start their next lifecycle. They then munch on leaves as adolescents, then drop into the soil, and will stay there until they are adults and crawl back up to start all over again..

I tried spraying in week 2-3 of flower but in week 4 I stopped (thought I had them but they were back the next day)

I decided to make that lifecycle as difficult to get through as I could, I put an 1/8th of an inch of diatomaceous earth on my topsoil, and removed all damaged / thrip leaves (if I saw one on a leaf, I cut it. I found they prefer the lower leaves and larf because it’s close to the soil and low wind circulation)

I repeated this every other day and within 2 weeks I couldn’t find any more. No way to lay eggs if you can’t grow up. Harvested it last week and still none (I looked it over good, I don’t like smoking bugs personally lol)
I can’t say if it’s a 100% guarantee, but I thought I’d share my thrip experience in flower. Hope this helps a little
 

JHake

Well-Known Member
I used to get thrips on the regular but just doing a couple things differently got rid of them for good. First you gotta treat the infestation you have. Monterey Garden Spray w/spinosad is safe for organic soil and you could even spray the buds if you had to. It dissipates in 10-14 days so as long as you have more than a couple weeks to go before chop you can spray spinosad. It rinses off with water too so just give the plant a good folar drenching after the bugs are gone. Could take 2-3 treatments to eliminate the thrips. Give plants a spray of spinosad whenever you see those tell tale splotchy veins on the leaves. Pay extra attention to the undersides of leaves.
Prevention, of course, is much easier than treatment. Amending with neem seed meal will help control leaf munchers like thrips. Add about 2 cups of neem seed meal for every cu ft of soil. Yes it smells weird, like some kind of spice, but it works. Neem gets into the flesh of the plant and when consumed by bugs via the leaf veins it fills their bellies like cement and they forget to eat.
You don’t need a new tent!!! Straight neem oil sprayed directly on the plants will also help quell them; just takes a bit longer than the spinosad in my exp because it must be consumed by the bugs to work.
I don't have acces to neem cake sadly.

Spinosad it's also pretty difficult to get here, but will do my best.
 
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