is it manganese deficency or what?

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Hi, this yellow haze auto is more than two months old and she had hard times to start flowering stage and its growth is slow. I think she has manganese deficency but I cant be sure.
I always adjust ph to 6 and as they told manganese deficency is about ph? So, if it is manganese deficency I dont know what to do about it. Can you help me to decide what the problem is and what can I do about it? I will upload some sick leaves.
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Thanks for your helps <3
 
Hi, this yellow haze auto is more than two months old and she had hard times to start flowering stage and its growth is slow. I think she has manganese deficency but I cant be sure.
I always adjust ph to 6 and as they told manganese deficency is about ph? So, if it is manganese deficency I dont know what to do about it. Can you help me to decide what the problem is and what can I do about it? I will upload some sick leaves. View attachment 1455904View attachment 1455915View attachment 1455916View attachment 1455919Thanks for your helps <3

What are you feeding since she flipped to flower? More details are needed, deficiency and lockout issues can be quite complex without sufficient background. As Bob mentioned, take a look at that chart and see if you agree with Mn deficiency.
 
What are you feeding since she flipped to flower? More details are needed, deficiency and lockout issues can be quite complex without sufficient background. As Bob mentioned, take a look at that chart and see if you agree with Mn deficiency.

We use cannaterra as a nutritient with its original chart and arranging TDS and Ph every time and never see this symptoms at any other plants. This one is gone too long and too big, maybe that is the part of our problem. Any when I check this chart it confuses me because it is most likely about potassium but there are signs of both deficency and excess of potassium.

When I consider the whole situation(like the plant is gone too big and begin to grow slowly) I think it is most likely to PK deficency? So what is your opinion and what do you think that I should do?
 
We use cannaterra as a nutritient with its original chart and arranging TDS and Ph every time and never see this symptoms at any other plants. This one is gone too long and too big, maybe that is the part of our problem. Any when I check this chart it confuses me because it is most likely about potassium but there are signs of both deficency and excess of potassium.

When I consider the whole situation(like the plant is gone too big and begin to grow slowly) I think it is most likely to PK deficency? So what is your opinion and what do you think that I should do?

My opinion is worth about a shiny nugget of cat poo, I haven’t been growing long enough to offer sage advice. But I would agree that it appears to be a K issue with the more lower leaves being affected, and you’re seeing slow progression in flower…so likely a deficiency. Especially if you’re using a feed chart that has worked for other smaller plants but is problematic with this big ole’ gal. As you stated i’d guess due to the size of the plant it’s going to need some of their Boost or PK13/14 to chug through flower.
 
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