Iron or nitrogen deficiency??

[CARmick93]

Noticed yellowing leaves and dark veins on a couple of my plants, done some research and think I have narrowed it down to either a iron or nitrogen deficiency.

Just wondering if anyone could tell me what exactly it is and how to treat?

suspected strain is critical purple chemdawg, just been transplanted to bigger pots 4 days ago, media is plant magic supreme soil. I was feeding them with canna rhizotonic and small amount of biobizz fish mix before moving them to bigger pots and now just using phd water as pm soil says it has enough nutes for 2-3 weeks. plants are 2 and half weeks into veg.

 

[myke]

were they like this prior to transplant ?
https://www.growweedeasy.com/cannabis-plant-problems/magnesium-deficiency

 

[CARmick93]

were they like this prior to transplant ?
https://www.growweedeasy.com/cannabis-plant-problems/magnesium-deficiency

No they were fine before transplant

 

[myke]

No they were fine before transplant

Pretty unlikely to be N deficiency in new soil.Get some epsom salt, plain pretty cheap and water in.

 

[GanjaJack]

I'm going with iron.... Nitrogen tends to make the whole plant/leaf yellow rather than just particular spots.

 

[myke]

I'm going with iron.... Nitrogen tends to make the whole plant/leaf yellow rather than just particular spots.

Iron affects new growth first,according to google.
https://www.sensigarden.com/iron-deficiency-cannabis/

 

[CARmick93]

I’ll try a few waters with the Epsom salts hopefully that will prevent any more from turning yellow

 

[myke]

I’ll try a few waters with the Epsom salts hopefully that will prevent any more from turning yellow

You do one thing at a time and see if it improves,making sure your soil pH isnt out of wack also.I dont know your new soil but its not uncommon to get shitty soil from a bag.

 

[myke]

What are phing your water to? I dont think you need too unless its below 5 or over 9
What is your water?

 

[GanjaJack]

What are phing your water to? I dont think you need too unless its below 5 or over 9
What is your water?

Actually, that WAS new growth and it looks to me like the plant recovered as the newest growth looks healthy. those are the seedling leaves and are irrelevant over all to the grow and tend to be fubar as the plant stabilizes to the soil conditions that it's in. Since then, the plant has corrected itself and I'd leave it alone. New shoots are green, newest leaves are green and full, looking healthy.

 

[myke]

Actually, that WAS new growth and it looks to me like the plant recovered as the newest growth looks healthy. those are the seedling leaves and are irrelevant over all to the grow and tend to be fubar as the plant stabilizes to the soil conditions that it's in. Since then, the plant has corrected itself and I'd leave it alone. New shoots are green, newest leaves are green and full, looking healthy.

You looking at different pics? Different thread? He said it happened after transplant. So many threads hard to keep up.

 

[GanjaJack]

You looking at different pics? Different thread? He said it happened after transplant. So many threads hard to keep up.

I am looking at the pictures directly above on this exact thread.

The brand new growth, top of the plant, where he has chopped in the first picture, those leaves and the next set down are perfectly green and look perfectly healthy.

The next ones under, the leaves that are yellow they are seedling leaves, they probably suffered an iron deficiency or better a micro-nutrient deficiency as occurs often in seedling growth stage as the plants acclimate, after transplant as the roots get used to things, or it could have happened before transplant as the seedlings outgrew their original soil. It's irrelevant, as the newest growth is healthy.

So there is no need to correct for something that is not occurring at the moment.

 

[Nixs]

Last two pics looks like a mag deficiency.

 

[Tangerine_]

Noticed yellowing leaves and dark veins on a couple of my plants, done some research and think I have narrowed it down to either a iron or nitrogen deficiency.

Just wondering if anyone could tell me what exactly it is and how to treat?

suspected strain is critical purple chemdawg, just been transplanted to bigger pots 4 days ago, media is plant magic supreme soil. I was feeding them with canna rhizotonic and small amount of biobizz fish mix before moving them to bigger pots and now just using phd water as pm soil says it has enough nutes for 2-3 weeks. plants are 2 and half weeks into veg.

Likely mag. Mag gets washed out easily.