very good discussion here. I like how their are some devils advocates in here. From what I have read it seems like light movers can work well but if used incorrectly can be one factor in promoting the PM. I could see them having a benefit by reducing burn spots and reducing shadows by moving the lights just enough to maximize yield. On the other hand i'm unsure how the electrical costs and yields would compare to just setting up dual lights. Dual lights may not be a possibility for all but for those who do im curious in the light mover vs dual lights results.
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Can light movers cause PM (powdery mildew)?
- Thread starter Bradley_Danks
- Start date
Light movers cannot, under any circumstances, cause PM.
A grower that doesn't clean his light mover after an outbreak will have perpetual problems.
I'm pretty positive that cannabis growers have, once again, adapted a piece of equipment originally designed for a wider gardening industry.
Worst advice ever. Funny that somebody posted that using a light mover is being lazy..
Using Eagle20 is being lazy and irresponsible.
You obviously don't look at cannabis as medicine or something that should be ingested on any level.
Step up your game, increase air flow, lower your humidity, spay alternating essential oils to control bugs and molds, clean your room regularly and don't go in room with clothes that you wore all day.
If you do flower out any Eagle20 herb please tell anybody u share herb with that you apply fungicides that were developed for golf courses..
Light movers work ok in veg not great in flower unless you a have a few movers that overlap.
the simple answer is No
Cleaning is just trying to fight the symptom which is pm infestation, the problem is bad environment or unhealthy plants. Unless you are really sterile spores will get in anyhow.
Outdoors mold spores are everywhere. I pulled a sweet harvest in my damp, stale greenhouse and I believe ACT was a big part in this. Either by making the plants stronger(high brix) or because of the beneficial mo's.
yes the alum track is 6 feet ..one light shouldn't be travelling 6 feet along that track..i would pick 2 lights over a mover any day ...but if you use a mover right it helps a bit..i don't really like my lights to move more than 6 to 8 inches max...I don't really like movers as I hate moving stuff..murphys law and all..i have used lightrails in several versions tho over the years..never noticed a diff pm wise as it aint an issue in my grows..i spent a lot of money at harvestmoon in Foxboro..lol yeehaw
bikhomes
Member
Most of the Eagle 20 used commercially in California goes on wine grapes and strawberries.
The forums are responsible for spreading a lot of good info but there's a whole lotta bs mixed in there, what's a newb to do?!!
1st thing a light mover used properly doesn't cause PM... I've used one for years and the only times I've seen PM is when I was under root aphid attack and the other time from bringing in infected plants. My mover is on a 6' rail (1k) in a 5'w x 8'l x 7'h grow, it moves 3' and pauses for 10 seconds before it goes back across the rail and my yields are very respectable! 2nd, PM is everywhere all the time, only when conditions allow for it to thrive will it show it ugly face... poor airflow, high nitetime humidity, weak/sick plants are the main catalyst. 3rd, you don't have to be ultra clean lol these are weeds we're growing bros, where I stay you just need to be on top of your enviro when the seasons change and everything else falls into place. PM spores need organic material to germinate and thrive (cloth, paper, live/dead leaves, etc.)..... be honest, have you ever seen it on your equipment?
1st thing a light mover used properly doesn't cause PM... I've used one for years and the only times I've seen PM is when I was under root aphid attack and the other time from bringing in infected plants. My mover is on a 6' rail (1k) in a 5'w x 8'l x 7'h grow, it moves 3' and pauses for 10 seconds before it goes back across the rail and my yields are very respectable! 2nd, PM is everywhere all the time, only when conditions allow for it to thrive will it show it ugly face... poor airflow, high nitetime humidity, weak/sick plants are the main catalyst. 3rd, you don't have to be ultra clean lol these are weeds we're growing bros, where I stay you just need to be on top of your enviro when the seasons change and everything else falls into place. PM spores need organic material to germinate and thrive (cloth, paper, live/dead leaves, etc.)..... be honest, have you ever seen it on your equipment?
I live in MI bikhomes, so you're saying PM doesn't attach to your clothes? I dare you to leave a PM infested room and wear those same clothes around in your grow, even fabric pots help PM spread, seen it on dead and live plants too..... the spores still keep developing to contaminate the enviro!!
And PM is not systemic, it's a disease encouraged by a subpar enviro conditions or contact with another sick plant/spores. I've done nothing more than broke out a dehuey and watched PM go away, how's that a treatment for a systemic disease?
bikhomes
Member
it is absolutely systemic. it's not living on the surface of the plant, it is living inside of the plant and the surface blooms are what spreads it.
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7406.html
yes it spreads from the spores that bloom on the leaves, but it can't continue living in dead plant tissue or in no plant at all. try cutting all the leaves off a plant with pm and spraying it down, then placing it back into a humid, clean environment. the pm will just bloom again, because it's living inside the plant.
low humidity can keep it from blooming, but that doesn't mean it isn't in the plant still. before you rail on others for spreading misinformation you should do a little googling of your own. this is an extremely common disease that affects many species, much is known about it.
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7406.html
yes it spreads from the spores that bloom on the leaves, but it can't continue living in dead plant tissue or in no plant at all. try cutting all the leaves off a plant with pm and spraying it down, then placing it back into a humid, clean environment. the pm will just bloom again, because it's living inside the plant.
low humidity can keep it from blooming, but that doesn't mean it isn't in the plant still. before you rail on others for spreading misinformation you should do a little googling of your own. this is an extremely common disease that affects many species, much is known about it.
PM is everywhere, not going to get into a pissin' contest with you about it either. If you think clothes or things like wood or paper aren't still alive why does that shit still need to breathe? Watch how fast mold develops on either one of those in a messed up enviro, they all can hold/contain/transmit PM spores! For everything you can google that says it's systemic I can find something that says it's not..... can't believe everything you read, I live in MI where PM is just waiting to get ahold of peeps who aren't ready so I speak from a lot of exp with trial and era not just what I read in one case study!
So much fail in this thread.
bikhomes
Member
it's pretty safe to believe things that prominent universities publish. they really got the whole "trial and era" down, it ain't rocket appliance anyways.
I've read thru the link provided several times and I still don't see anywhere it says PM is systematic. Now google "is PM systematic" and see the case studies from those universities, gardeners, and mj growers! Pest, plant debris, organic fibers, and various other organic materials whether it's dead or alive can vector and spread PM in your grow.
