Worldwomble
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At first glance I thought this could be powdery mildew but on closer inspection could it be a leaf sucking insect? I can’t find any insects anywhere.
steamroller
- 1,815
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I would be looking for thrips.
A
AJY
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A
AJY
- 37
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yeah. I have the EXACT same issue. I can't find insects anywhere either. I am using plant therapy to guard against several things. After seeing this reference to thrips I think I might just hit them a little harder with it. But I deftly have the exact same condition I think. I get it in one room and not another.
BigBlonde
- 1,379
- 263
Have you looked for insects on the underside of the leaves? That's where spider mites reside.
S
Stonemason7767
- 461
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Thrips they are hard to see with the naked eye.if your growing organic in soil,get some predatory mites. Or rove Beatles.
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AJY
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Yes. The first place I look is on the underside. I can see zero sign of any kind of moving insect. I have had 15 power glasses on the underside of the leaf and see nothing. It was the same as the last crop. There was no sign of any insects. I did however start spraying the topside of the leaves with plant therapy and it seemed to have an effect on whatever was going on. Surprisingly. So maybe that was just me but it definitely seemed to help. I am not in the habit of spring the top side of my plants. thanks for responding btw
Moshmen
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Whole plant picks ? Does any of it wipe off with your finger ? Hard to tell but insects or pm gotta be or something your spraying ? Do you run a humidifier?
A
AJY
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No. Nothing wipes off that I can tell. It is st. thru the leaf. from one side to the other side. I do not run a humidifier but the humidity is high ...I'm in grow stage so I wasn't thinking much about humidity at the moment. temps are high to...I am running LEDs so I keep the room at 84F. The Gelato seems to be doing WAY better a the the higher temps. I only use Lost Coast Plant Therapy...never had any issues with it to date. thanks. and.. not sure why my JPEGs UL at such low res.
A
AJY
- 37
- 18
my humidity is higher than I thought .. just checked it at 76
CookiesLikeWhoa
- 220
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Went through thrips recently and that's exactly what the leaves looked like from their damage.
A
AJY
- 37
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ok interesting. I cant seem to find any anywhere. I am spraying alot now so if it is thrips then they should succumb to the LostCoast PT.
thanks.
thanks.
Habosabin
- 1,198
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It's thrips or spider mites. I'm going with thrips.
Harpua88
Supporter
- 2,043
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This. I was gonna ask.......how old/developed are your plants and which leaves arevyou worried about.....then I see pictures of large, healthy looking plants....
Are you concerned about newer top leaves? Or are you plucking old bottom ones and concerted that they don't look super fresh and healthy?
Privided you have a magnifying glass, and are really searching for bugs, and you really don’t find any......under the leaves, stems, the soil.....under the pots, around the floor, under dead leaves.....
Once you rule out insects for sure, there might be some other issues, but if the whole plants look healthy and you're plucking older bottom leaves, they're not all going to be magazine quality. There's watering/splashing, nutrients residue, soil splash.......age.....
You might be just fine. ;)
Harpua88
Supporter
- 2,043
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Shouldn't a thorough search with a good magnifying glass rule bugs in or out? They're either there, or not......
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AJY
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Hey Harpua88. the plants are 3 to 4 weeks into the vegetative stage. they are very healthy and reasonably large as you said. I am more concerned with this taking over the entire plant as it did the last time I saw it. There is no doubt that most of this condition I am seeing is on the lower part of the plant for sure. As you say at the very bottom mostly but it's creeping up. I'm thinking you may be correct that I might be just fine. I don't like to wait around as you can imagine and find out when it's too late. I just know that I can't find any bugs anywhere. And this is the second time this condition has come onto my plants this time with a new strain. Appreciate the help
Habosabin
- 1,198
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Every grow I've done outdoors has had thrips damage and I've never seen the bugs. They are super tiny but their presence is obvious from the leaf damage. Spider mites also cause spots like this.
Moshmen
- 8,218
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Plants looks healthy I would tend to agree that if no thrips are present u b fine but sure looks like pest from picks ! Good luck with the lost coast therapy
Anthem
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This is 100 percent thrips. get some Spinosad spray to kill them. Jacks dead bug has some but very low amount. Dow makes a product with about 24x the amount. Once and done.
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