Tops and leaves around top curling

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Brother

Brother

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Hello everybody,I would really appreciate your help,I posted a video with the perfectly healthy plants except the tops and the leaves with curling and wheeling down And I’m not sure why... it’s a winter run in a greenhouse, there is a lot of humidity so I was thinking first that plant can’t get out weather from the sistem cuz the ventilation inside of a greenhouse is not so good... please if anyone have an idea to share it,I would really appreciate. Thank you
 
Brother

Brother

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no thrips,mites or bugs... I spray them and check regularly... thank you
 
Brother

Brother

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Is it possible becouse they are in beds and taking water from ground witch keeps roots constantly wet and make them weaker?
 
Heynow

Heynow

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Maybe...I'm still thinking bugs. Probably russets if you don't see bugs physically
 
Brother

Brother

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I just saw this response,thank you very much for the help... How is the best way to determine? I know for russet but I didn’t have a contact with them so far
 
GNick55

GNick55

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you can tell those plants are stressed badly, 3 fingered leaves, twisting, curling somethings been going on a while and it’s probably a pest or a mold/mildew.,, doesn’t seem to be a root issue..
 
Heynow

Heynow

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Really you want to scope the leaves. Russets are so tiny you can't see them with a naked eye. Treat them with flying skull nuke em 2 oz/gal every other day for 2 weeks. Then every 3rd day until you harvest. Flying skull is citric acid omri listed They are a bitch to control and almost impossible to eradicate. There is a specific predator mite (am. andersoni) for them. I battled them for 3 months before I could figure it out. They are currently running rampant and destroying crops up and down the eastern seaboard.

If they are in veg still you can get conserve sc...its a spinosad a & d mix. I believe it has resididuals that can be detected 45 days after application. It's really a last resort before forbid 4f...which is a neurotoxin
 
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