Sulfur Residue or PM?

  • Thread starter BigBloomingBuds
  • Start date
  • Tagged users None

Is it PM of sulfur residue?

  • Powdery Mildew

    Votes: 1 11.1%
  • Sulfur Residue

    Votes: 8 88.9%

  • Total voters
    9
BigBloomingBuds

BigBloomingBuds

16
3
Hey everyone,
I have searched and cannot figure out what is on my leaves. I am hoping someone here can help. I had someone cover my grow for 9 days and when I got back all of my plants have this (pictured) on the leaves. I did not have any signs of powerdy mildew before. I had my help spray the plants with Sulfur. This is the first time I’ve used this and don’t know if the leaf has a residue from the spray or if I’m 9 days PM has taken over my room. Has anyone seen this before?
 
Sulfur residue or pm
Sulfur residue or pm 2
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Sulfur residue or pm 4
Sulfur residue or pm 5
Sulfur residue or pm 6
Newbie2019

Newbie2019

79
18
I am new so I would wait for others to comment but I do have a question for you. Have you tried foliar spray of just water to see if some of the white runs off the leaves?
 
KLight03

KLight03

1,128
163
I'm new to this, but based on what I've had on houseplants before, that looks like the dreaded white fungus. I hope not. @Mr.jiujitsu, what sort of scope would be required?
 
Mr.jiujitsu

Mr.jiujitsu

1,701
263
I do have a scope but I don’t know what I would be looking for to know the difference?
If you have a scope with camera take pics. If it is rubbing alcohol in a spray bottle can help. Wipe the leaves off and see if it comes right back....
 
oldskol4evr

oldskol4evr

12,306
438
from splatter marking ,im thinking the sulfur,a spray bottle with reg water and wash it off ,if it is sulfur it wont hurt your soil with the water runoff,your soil has sulfur in it
 
Dirtbag

Dirtbag

Supporter
9,158
313
That's just residue from the powdered sulphur. 100%. You can see how its formed where there were water droplets. My plants look exactly the same when I spray them with wettable powdered sulphur. Looks like good coverage too. Help done good.
 
bankcee

bankcee

488
63
having the same issue.. any one think this is pm or sulfur residue.. i’ve never sprayed with sulfur but the company that i purchased these clones say they do treat with sulfur 🤷🏽‍♂️🤷🏽‍♂️

B8EDBF5E 4A39 4834 A3B2 CF329C4A0403

 

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