Need a little help to identify

[Lathus]

Hey so I have a grow log set up and its a pretty basic grow outdoors. You can check it out if you need to or ask me.
They have started flower and have had some pretty good growth. I just saw white pistils the last couple of days.
I first noticed on 1-2 plants a little yellowing on the lower leaves.... I wasn't too concerned as it was time to give them a big feeding. I fed them yesterday and I know it takes 2-3 days in soil to see a difference but I wanted to make sure that you guys/gals agree, theres a few spots and its the only thing thats got me a little nervous.

Could be some nutrient burn? dunno, they are foliar fed as well once a week very early, 6-7am.

These pics are from same plant and all fan leaves, most yellow at the bottom of the plant greener at the top.

 

[Lathus]

These pics are from same plant and all fan leaves, most yellow at the bottom of the plant greener at the top.

Is it just N defficiency and should clear up once the nutes take hold or is it something else or a combo?

 

[Lathus]

Ok I think I figured it out, after reviewing my feeding schedule and symptoms and issues for cannabis problems I have determined its a Cal/mag deficiency.

 

[pumpkinpie eyes]

Fungus maybe-Yellow leaf spot being humid or bad soil maybe. Have picked leaves off like this to lessen spread.

 

[Lathus]

Fungus maybe-Yellow leaf spot being humid or bad soil maybe. Have picked leaves off like this to lessen spread.

Yeah I think that after reviewing my feed log and nutrient charts there is a serious deficiency in cal mag, which both show these symptoms. I know for a fact I'm way low on those.
The humidity can get pretty bad in the south but I don't think its been too bad lately.

Another thing that makes me think its a deficiency and not a fungus is that the spots aren't on any other leaves, so far just the fan leaves.....
the fan leaves are energy and nutrient pools for the whole plant. Once things start to go bad the plant will pull from those first.

 

[the gnome]

Another thing that makes me think its a deficiency and not a fungus is that the spots aren't on any other leaves, so far just the fan leaves.....
the fan leaves are energy and nutrient pools for the whole plant. Once things start to go bad the plant will pull from those first.

it's not a mag def or cal from what I'm seeing
always a chance I'm wrong but looks like leaf spot to me from what i can see in the 1st pic with limited lite.
the spots won't be a on all the leaves ime, it'll hit mid-lower fans ime
lol I still have exp. w/leaf spot,
also there's a fungal and a bacterial leaf spot.


the pics were really dark but looks like these are outside?
and are those dead leaves on the ground all around the plants, if so prime conditions to contract it.
your gonna get leaf spot outside and from there a plant that has it istaken indoors and it spread around to other plants easily
be nice if ya got any pics that aren't so dark showing more?

 

[Lathus]

it's not a mag def or cal from what I'm seeing
always a chance I'm wrong but looks like leaf spot to me from what i can see in the 1st pic with limited lite.
the spots won't be a on all the leaves ime, it'll hit mid-lower fans ime
lol I still have exp. w/leaf spot,
also there's a fungal and a bacterial leaf spot.


the pics were really dark but looks like these are outside?
and are those dead leaves on the ground all around the plants, if so prime conditions to contract it.
your gonna get leaf spot outside and from there a plant that has it istaken indoors and it spread around to other plants easily
be nice if ya got any pics that aren't so dark showing more?

Any tips on beating leaf spot?

This one is better, yeah its outside, I have 8 total together

 

[ozzieAI]

i get those spots on my outdoor plants as well, i think it is some sort of fungus/rust. i spray emulsified neem oil that stops the spots from growing but doesn't get rid of them. i am in a high humidity environment as well.

i tend to pick off the worst of the leaves as they can rot and bring more problems to the plant.

good luck

 

[Lathus]

i get those spots on my outdoor plants as well, i think it is some sort of fungus/rust. i spray emulsified neem oil that stops the spots from growing but doesn't get rid of them. i am in a high humidity environment as well.

i tend to pick off the worst of the leaves as they can rot and bring more problems to the plant.

good luck

OK cool. where do you get the emulsified neem oil?

 

[ozzieAI]

OK cool. where do you get the emulsified neem oil?

i get mine online or one of my local gardening centres...depending on where you are, google is your friend...

 

[Lathus]

i get mine online or one of my local gardening centres...depending on where you are, google is your friend...

Yeah googled it, wasn't really any place to buy it but I found something acceptable and will be in my mail maybe tomorrow.

Thanks for the help.

 

[the gnome]

Any tips on beating leaf spot?

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there's 2 types of leafspot, bacterial and fungal.
you probably have the fungal
both contagious and spread easily by using cutting tools to take cuts from an infected plant and using it on a healthy plant,
using reusing pots, saucers that catch water etc etc
Physan 20 and actinovite can be used against em.

check out the labels on them before using
check out the application guide

 

[Lathus]

there's 2 types of leafspot, bacterial and fungal.
you probably have the fungal
both contagious and spread easily by using cutting tools to take cuts from an infected plant and using it on a healthy plant,
using reusing pots, saucers that catch water etc etc
Physan 20 and actinovite can be used against em.

check out the labels on them before using
check out the application guide

Thanks I'll check 'em out!