Help!Leaves have a white powder looking on the leaves and they can't be wiped off.What nutrient deficiency is it or disease?

hahha you think vacuum cleaner is gonna pull in the trichomes. dont worry its not how it works with a live plant only reason it happens after you dry it is because the trichs dry too and become brittle and the only reason you dont handle your plants live is because you are gonna pop the trichs and resin will flow out of them. so using a vacuum cleaner with a mesh screen is not gonna do anything to the plant. also you dont run it at max power unless youre a fucktard in which case its a miracle you even got your plant this far hahaha

Yup as I said. I haven't dealt with mites. But I'm armed and ready for them. I've them bug traps placed around and drop peppermint oil dosed in cotton wool makes creepys go mad. But something organic that won't hurt the bud if you do get it on it. With neem oil you nearly need to paint that shit on. Happy growing buddy.

What @gottagrowsometime said... I've had to deal with mites and he's spot on.... either Cannacure or some Spinosad...

Personally I haven't had to deal with mites. But there's many ways to go about tackling them. Some ways work and some don't. All depends how far it has gotten. The whole vac thing. Hmm, you aren't meant to be even handling bud as you off trichs and that. But idk I haven't had to deal with them But what I have read. There's a few things you can do to make it hard for them to get around to manage it better, maybe you won't be able to get rid of them but lowering the population will help if you wanna bring it to full harvest and look into bud washing. You can take away fan leafs and clear growth away and make it hard for them to move around. You want to look underneath for eggs. (This is some job to do) So it's really best to just grab the leafs and wipe underneath top and bottom. Or get down on your knees and check out and wipe down either way lots of wiping down. To combat the mites. If you don't have anything. A spray bottle after you have fucked up their paths and making it easy for them to move around you can spray your plants and it'll spray them off but you wanna start from the top and spray closely to clear out and drop that pop. Any then if you have any neem oil apply or AMC spider mite leaf wash. I just got canna cure idk how good it is for mites but you need to look up different ways to combat them with the tools you have on hand you try them methods as you'll be given lots of answers but you can only work with what you got. So check out how to combat mites with ?,?,? (Whatever you have on hand) Good luck.

i kinda feel like i’m seeing a couple of two spotted spider mites her and there. fastest way to reduce population is manually removing them first. get a mesh screen over your vacuum cleaner and vacuum your plant top to bottom under leaves and shit. then you can hit them with other options or ride this one out till harvest with regular vacuuming to keep the populations under control and after harvest something like a sulfur burner should work well for sanitizing the room.

They are probably spider mites, so you need ladybug and neem(but this only 2 weeks from harvest) For the color, I think that the spider are eating her fluids, so she is suffering

To differentiate between WPM and mites damages check under leaf page for black and white eggs, the sign of mites presence.

2 issues: 1 heavy mites infestation (my advice is to finish the grow and to wash buds before hanging) 2 dark green tone and burned leaves tips are suggestive of nutes burn/imbalance. This could explain purple stems. Don't panic You have to flush her very soon anyway.