Welcome to the cannabis growing issues and help section. Use this section to ask about issues, deficiencies and other problems you encounter while growing cannabis. To become part of our online cannabis growing community click here to register.

Anyone know what this could be ?

Get help fixing cannabis deficiencies and issues
Post Reply
Gward20
Registered User
Posts: 338
Joined: Thu Dec 26, 2019 8:37 pm
Has thanked: 39 times
Been thanked: 70 times
Status: Offline

Anyone know what this could be ?

Post by Gward20 »

Hi everyone. My brother asked me to com look at his plants today as he noticed this. I think it could be thrips or a burn as he was using a foliar spray with 600w lights switched on. I had a look everywhere but couldn’t spot any pests. Any idea what it could be and how to treat it ? Ps he is 4 days into flowerImageImageImageImageImageImageImageImageImage
These users thanked the author Gward20 for the post (total 2):
Keeno (Thu Sep 24, 2020 5:04 pm) • Minty (Sat Sep 26, 2020 5:25 am)

flip
Known User
Posts: 2078
Joined: Tue Apr 21, 2020 11:07 am
Has thanked: 2652 times
Been thanked: 1598 times
Status: Offline

Re: Anyone know what this could be ?

Post by flip »

The top pic looks like it could be the mineral residue from the foliar spray, perhaps if the water component is evaporating before being absorbed into the leaf? Just a guess though :idn:
These users thanked the author flip for the post (total 2):
Gward20 (Thu Sep 24, 2020 5:26 pm) • Minty (Sat Sep 26, 2020 5:25 am)
I am the wisest man alive, for I know one thing, and that is that I know nothing

Gward20
Registered User
Posts: 338
Joined: Thu Dec 26, 2019 8:37 pm
Has thanked: 39 times
Been thanked: 70 times
Status: Offline

Re: Anyone know what this could be ?

Post by Gward20 »

He has 12 plants and it’s on every plant. On day 1 of flower he gave them a foliar feed of switch by optic foliar and since then he noticed the problems. On some leaves it looks like burns and on others it’s just the spot. I went round today with a microscope and couldn’t spot any pests. Madness

User avatar
flip
Known User
Posts: 2078
Joined: Tue Apr 21, 2020 11:07 am
Has thanked: 2652 times
Been thanked: 1598 times
Status: Offline

Re: Anyone know what this could be ?

Post by flip »

Gward20 wrote:
Thu Sep 24, 2020 5:26 pm
On day 1 of flower he gave them a foliar feed of switch by optic foliar and since then he noticed the problems.
Sounds like you've identified the problem.

Maybe do a test foliar feed on a couple of leaves and see if the problem intensifies at those locations
These users thanked the author flip for the post (total 3):
Elijah Growz (Thu Sep 24, 2020 5:30 pm) • Gward20 (Thu Sep 24, 2020 6:58 pm) • Minty (Sat Sep 26, 2020 5:25 am)

User avatar
G3W2HIN
Known User
Posts: 1146
Joined: Fri Nov 01, 2019 8:20 pm
Location: USA
Has thanked: 276 times
Been thanked: 698 times
Contact:
Status: Offline

Re: Anyone know what this could be ?

Post by G3W2HIN »

Foliar feeding should be done without the lights on some foliar like mentioned above have a film and can cause slight burns water the foliar feeding down next time no light
I foliar feed with coconut water,kelp and it needs a fresh wash after a couple hrs.
Cheers
These users thanked the author G3W2HIN for the post (total 2):
Gward20 (Thu Sep 24, 2020 6:58 pm) • Minty (Sat Sep 26, 2020 5:25 am)
INNER PEACE

User avatar
2-Scoops
GR420 Leg End
Posts: 5962
Joined: Mon Nov 26, 2018 2:10 pm
Location: Not far away but far enough
Has thanked: 3768 times
Been thanked: 3675 times
Status: Online

Re: Anyone know what this could be ?

Post by 2-Scoops »

It looks like it could possibly be a bug problem and spidermites. If you`ve got that spotting around the whole grow i`d be checking undersides of leaves with a scope for mites and eggs. Hopefully it`s not that but last 3 pictures sure look buggy
These users thanked the author 2-Scoops for the post (total 2):
GMO (Thu Sep 24, 2020 8:08 pm) • MrNice (Fri Sep 25, 2020 2:20 pm)
"You don't put fish fat oil in a Ferrari" Operation Crossbow


Gward20
Registered User
Posts: 338
Joined: Thu Dec 26, 2019 8:37 pm
Has thanked: 39 times
Been thanked: 70 times
Status: Offline

Re: Anyone know what this could be ?

Post by Gward20 »

2-Scoops wrote:
Thu Sep 24, 2020 6:07 pm
It looks like it could possibly be a bug problem and spidermites. If you`ve got that spotting around the whole grow i`d be checking undersides of leaves with a scope for mites and eggs. Hopefully it`s not that but last 3 pictures sure look buggy
I have looked on every plant and can’t find any bugs at all. It looks like burns on some leaves and on others it just spots. Since he has had the grow set up I have not even seen a fly in the room so it would be hard for me to say it’s pests.

Gward20
Registered User
Posts: 338
Joined: Thu Dec 26, 2019 8:37 pm
Has thanked: 39 times
Been thanked: 70 times
Status: Offline

Re: Anyone know what this could be ?

Post by Gward20 »

To the Video app.php/vgallery/gward20/4/513

User avatar
2-Scoops
GR420 Leg End
Posts: 5962
Joined: Mon Nov 26, 2018 2:10 pm
Location: Not far away but far enough
Has thanked: 3768 times
Been thanked: 3675 times
Status: Online

Re: Anyone know what this could be ?

Post by 2-Scoops »

Yes some of those leaves do look dodgy @Gward20 So if it is overfeeding it`s hardly a problem yet but im not sure if it is tbh, what medium is he using to grow in and ferts used ?
These users thanked the author 2-Scoops for the post:
Minty (Sat Sep 26, 2020 5:26 am)

Gward20
Registered User
Posts: 338
Joined: Thu Dec 26, 2019 8:37 pm
Has thanked: 39 times
Been thanked: 70 times
Status: Offline

Re: Anyone know what this could be ?

Post by Gward20 »

ImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImageImage
These users thanked the author Gward20 for the post:
Minty (Sat Sep 26, 2020 5:26 am)

Post Reply

Return to “Cannabis issues and help section”