Is This Tobacco Mosaic Virus (TMV)?

snikok said:

3 weeks in flowering. It's gettin really bad now...

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doesn't look like MV , it looks like phosphorus deficiency to me, though one of the leafs has this half discolored thingy goin' on, which could be some sort of mosaic virus thing, what's your feeding schedule?
they need a good amount of P in flower, and the leaves also look like Mag def.
btw, all the people saying broad mites causing the twisted/discolored leaf appearance, are plain wrong, broad mites do cause curling of the newer growth, no discoloration as seen here.
I had that MV- problem, whatever Virus it is, just doesn't matter, the people saying it's not TMV cause cannabis can't get it, are just trolls to me, 1st thing is, I am sure TMV can indeed infect Cannabis, 2nd is, that you may call it HMV or whatever as soon as it appears in Cannabis, and after all, these people make other growers think that cannabis can't get any virus. which is false.
lets call it MV then, cause it is a mosaic virus, doesn't matter which one.
had MV a few years ago in Chronics/serious seeds, the harvest was OK, but I treated them with acetylsalicylic acid / salicylic acid, you can dissolve aspirin in vinegar and hot/warm water to make salicylic acid out of acetylsalicylic acid. at least that was how I did it, thats the main part of that expensive RNA stuff they sell to people, to treat TMV, but DIY is cheaper, that acid activates the plants immune system, but can lead to hermies when overdosed. you can also use willow water, I do this right now, cause I spotted one Plant with a twisted/discolored leaf, killed it, and now I water the rest with an immune booster...

here are a few pictures:

1st one is the MV case, not 100% sure but it's one plant so I killed her/him, those are regular Northern Lights


she's under suspicion, those light patches could be a sign of the virus, plus the next picture shows crippled new growth, not sure about her.

That New Growth stuff sure bothers me I see seedlings come with this now days .. Do breeders Ignore this virus or are they spreading it..?? not sure. BTW that hooked leaf sure is a sign... who bread the NL ? That is an old strain seems like that should be clean of this.

I ended up leaving the infected plant and letting it flower. So far the virus has spread to the neighboring plant (same strain) and hasn't infected (or shown any signs of infecting) the other plants. The flowers look different and it was much later to develope pistils...about a week behind the other plants. I'm about 30 days into flower right now. The close ups are the same strain...one infected the other not. It's also a more sativa-like structure than the other two blue dream so it's hard to say how much it will effect the yield. Once this run is done I'll have to replace the soil instead of recycling like I had planned. Just wanted to post an update in case anyone was interested.

Think you are over reacting. Was probably just a response to nutes or water or something that was not optimal at some stage.

It's an organic grow so the nutrients isn't really an issue. It's had issues for a while.

Yes You keep running this virus the quality goes down hill about the third run you will have very low grade.. You can help it out by using some aspirin and bio warfare.. but in the end its time to start over ANC you do not know what you are talking about.

@Northernmich they are Nirvanas, I think that its spread through the breeders aswell, either this /bugs or the soil in my case, I don't smoke btw ... I wonder whats the best way to sterilize seeds, cause I've read that the virus can't get in the seed but it can be on the shell of the seed. I do think that it came from the seeds, I think serious seeds Chronics had it also back then, a few years ago, and as we can read on all the MJ sites its pretty common in grows nowadays. which sucks,
I am pretty sure seeds already come with that virus, at least some of them, and you never know which breeder, I tried cheapo seeds and they had it, tried the good ones, had it too...

Funkateer said:

@Northernmich they are Nirvanas, I think that its spread through the breeders aswell, either this or bugs, I don't smoke btw ... I wonder whats the best way to sterilize seeds, cause I've read that the virus can't get in the seed but it can be on the shell of the seed. I do think that it came from the seeds, I think serious seeds Chronics had it also back then, a few years ago, and as we can read on all the MJ sites its pretty common in grows nowadays. which sucks, and maybe the soil could also been the reason for the virus to appear in my case, but I am pretty sure seeds already come with that virus, at least some of them, and you never know which breeder, I tried cheapo seeds and they had it, tried the good ones, had it too...

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Rubbing alcohol will kill viruses. That would work if it's just on the shell.

Holie214 said:

Rubbing alcohol will kill viruses. That would work if it's just on the shell.

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sorry edited the shit out of my post yes but will it harm the seed? I plan on sterilizing my seeds the next run for sure... hate it when this asshole virus appears in my grows...

all of my seeds are washed in a 5% solution of bleach/water and rinsed thoroughly with pure water before planted.always did that thing learned in a grow bible. they get moldy and bring that into the sprout area and the seedling dampens off sometimes and this prevents it 100% of the time

here's a good reading about TMV:
https://www.apsnet.org/edcenter/intropp/lessons/viruses/Pages/TobaccoMosaic.aspx

seems like you can disinfect your hands with milk, just wash your hands with milk, it inactivates the virus.

they also mention that some people bred resistant strains, but I don't really know if they did it with genetic manipulation in a laboratory or just with breeding...

I think it would be really nice if somebody would breed a TMV-resistant strain. would be damn awesome.

Good Link ^^

Stonironi said:

It is Rugburn og . But I'm now seeing it on my gg#4 that I just got and some seeds that I started for my next grow. I have checked for mites and see nothing. It doesn't look like mite damage anyways

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GG seems to have the virus's in the seeds. I have had a smooth running grow for almost a year and no bugs(knock wood), started GG that I ordered from(not gonna say) and after veg I noticed the 12 room had many leaves that looked sick. towards the last weeks, every leaf in the room(and theres a lot) was disintegrating as if they had leprosy. buds were very nice but had to work pretty hard to keep the GG going long enough to fin with something rather than trashing everything. Now my No Lts, Afg.#1 and Mazar E. Sharif are sick and have a stunted grow pattern. I noticed also that the breeding plants seeds were different than usual with dark blueish mottled patches. I think its bad news, because I read that many virus's can vector thru touch & SEEDS!! Gonna shock treatment everything, change all hydro hoses as well, whitewash the whole shebang and spend some $$ for every BENEFICIAL BACTERIA, FUNGUS AND TRICHODERMA AVAILABLE because I'm cycling treated seeds and A. Meristem treated plants to come out with some poly's and things WERE going so well. Any advice on how to beat this virus crap with being able to keep my strains(which all have it to different extents)growing would be very much appreciated.