Brown patches on leaves, can anyone help please? :D

Adi1989

Adi1989

Active Member
Hi guys can anyone help, I have brown patches on my leaves and also yellowing to the outer leaves on some of them.

The leaves also look a bit crinkled as well.

Could anyone help?

I haven't fed any nutrient since popping the seeds, I did sprinkle a small amount of calcium on the medium do you think its calcium toxicity?

Or possibly fungus, I have had a sealed box and high humidity with co2 added.
 

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xtsho

xtsho

Well-Known Member
Ph, lack of nutrients. Those need to be planted. Did you soak those cubes in a mild nutrient solution? Those rooting cubes don't have anything in them and plants need more than just calcium. There is really no point in supplementing with Co2 at this point.
 
Adi1989

Adi1989

Active Member
Thanks guys, I did think Calcium was the issue so I sprinked a bit on Gypsum on the top of the cubes but it doesnt seem to have done the trick.
Maybe I need more, I was told no need for nutrients until the round baby leaves fall off as all the nutrient needed is all in the baby leaves.
 
Lightgreen2k

Lightgreen2k

Well-Known Member
Adi1989 said:
Hi guys can anyone help, I have brown patches on my leaves and also yellowing to the outer leaves on some of them.

The leaves also look a bit crinkled as well.

Could anyone help?

I haven't fed any nutrient since popping the seeds, I did sprinkle a small amount of calcium on the medium do you think its calcium toxicity?

Or possibly fungus, I have had a sealed box and high humidity with co2 added.
Click to expand...
You will get 10 different answers from people.

What I will say is that lot's of other seeds example beans, and other vegetables plants don't require "nutrients " for the first week,. That looks more towards thrip damage. Have you seen any bugs flying around or in the media.

20210117_101927.jpg
20210117_102324.jpg20210117_102009.jpg

Like I said you will get many answers on this, but you have to "Think" and I wonder if people do, "How nutrient deficient are these new companies /old companies going to be in " 2020. (Moreover people not using them well).
 
Lightgreen2k

Lightgreen2k

Well-Known Member
Another set of photos and again your situation is your situation, but from what you have said these being new seedlings, the plants won't be nutrient deficient already. Why did you think fungus gnats, have you seen any bugs flying or anything crawling in the media ?
20210117_102339.jpg
This second photo below shows the start of the damage to leaves
20210117_103336.jpg
The damage is minor right now and most people don't even notice at this stages but in the third photo below the damage is starting to spread over the leaf as well.

20210117_103500.jpg
 
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