Is yellowing normal now that I'm flowering

twentyeight.threefive

twentyeight.threefive

Well-Known Member
Kassiopeija said:
This is a blog from a commercial site selling nute bottles... wouldnt these have a conflict of interest? Could you describe the credibility of the author, and how he is being controlled for errors?

From your link: (right at the top)
View attachment 5098243
And do you agree with these painted pics?

Strange, any type of deficiency where the leaf turns yellow (Iron, Nitrogen) seems to get a purple petiole, too! Even Nitrogen-deficiency, yes? Strange, strange... not a single illustration where a leaf gets yellow BUT veins stay normal.... (but I'm sure I've seen those...)

And what about this bizarre description of a Mg-deficiency?
View attachment 5098246
:lol:
are they serious?


"the old leaves"? so it starts at the bottom? but their chart has it as an immobile nute so shouldn't it start at the top? so where does it start? they only show a handdrawn single leaf.

And what about the Anthocyan buildup? which chemocycle is actually affected, what causes this discoloration? I mean, that the discoloration is there I can behold with my own eyes easily, but this doesnt tell me anything about the nature of these things.

And the early Sulfur-def seems to show heavy "interveinal chlorosis" (a search for that term on their website yielded 0 hits) you see the leaf is heavily contrasted green-yellow in stripes. Do you agree a sulfur def looks like that, yes?
Where, at the OP's pictures does it look like that? His leaves turn yellow beginning from the tip, then middle, then the whole.
Click to expand...
So which description of a magnesium deficiency did you find issues with?

Still waiting for your diagnosis of the OPs plant issue? What is the problem with it?
 
J232

J232

Well-Known Member
Kassiopeija said:
This is a blog from a commercial site selling nute bottles... wouldnt these have a conflict of interest? Could you describe the credibility of the author, and how he is being controlled for errors?

From your link: (right at the top)
View attachment 5098243
And do you agree with these painted pics?

Strange, any type of deficiency where the leaf turns yellow (Iron, Nitrogen) seems to get a purple petiole, too! Even Nitrogen-deficiency, yes? Strange, strange... not a single illustration where a leaf gets yellow BUT veins stay normal.... (but I'm sure I've seen those...)

And what about this bizarre description of a Mg-deficiency?
View attachment 5098246
:lol:
are they serious?


"the old leaves"? so it starts at the bottom? but their chart has it as an immobile nute so shouldn't it start at the top? so where does it start? they only show a handdrawn single leaf.

And what about the Anthocyan buildup? which chemocycle is actually affected, what causes this discoloration? I mean, that the discoloration is there I can behold with my own eyes easily, but this doesnt tell me anything about the nature of these things.

And the early Sulfur-def seems to show heavy "interveinal chlorosis" (a search for that term on their website yielded 0 hits) you see the leaf is heavily contrasted green-yellow in stripes. Do you agree a sulfur def looks like that, yes?
Where, at the OP's pictures does it look like that? His leaves turn yellow beginning from the tip, then middle, then the whole.
Click to expand...
Holay fak, that’s way too much to bother reading, are you just copy and pasting off google now?
 
Kassiopeija

Kassiopeija

Well-Known Member
the thing did actually start there

Do these look calcium and or magnesium deficient

Someone on a different site said these plants had advanced calcium and magnesium deficiencies is that the case or do these look OK I thought the one on the left did have some mag deficiencies because there was some discoloration between veins
www.rollitup.org
with BK laughing about my posting of purple stems
Screenshot_20220309-004930~2.png


Screenshot_20220309-004953~2.png
I replied here since Bill also posted here, with the OP's plants showing more than a suntan IMO


then:
Screenshot_20220309-010211~2.png
>> already done last year, you may have seen the pics @ theCatalysts.org(?)

Grown in peat-based herb-soil pH 5.6 0.9mg/l "salts" stretched with coco (almost no nutritions), watered with tap EC 0.35mS (no nutes):
IMG_20210109_082725.jpg

Then fertilised with Canna CalMag & Biobizz Fishmix:
IMG_20210112_134659.jpg
The old leaves display how they get necrotic and die, low pH hinders mineral uptake esp. Ca.
Even the mainstem gets purple.
But not the new growth (a day after I fertilised the purple didnt show up on the new growth anymore, and leaves turned greener again)

Image1.jpg
^^ later the purple will appear "foxed" or "striped" when the main-stem expands in width. The petioles however, stay, as the fanleaves don't grow anymore.

>> so the purple color may result from a residue leftover by a mismatch of products from various inner chemocycles, with 1 diminished in grow.
That's what Prof. Schubert wrote about regarding other plants. I don't know how much that applies to hemp, what chemocycles these are, etc pp... but the connection with deficiencies is absolutely there.
 
Kassiopeija

Kassiopeija

Well-Known Member
twentyeight.threefive said:
The stem is purple. Didn't you see the picture?
Click to expand...
??? no its not, neither are the veins, nor would I say this is a deficient plant. a single symptome doesnt warrant a full diagnosis.
it's the general status of the plant, new shoots & old fanleaves we want to look at.
I'm also not ruling out a second explanation but I wonder what ur trying to achieve here by showing a leaf that is filled up behind both ears with nutes. but one thing is certain, if u go overboard with nutes it may lead to a physiological toxicity, then the plant could display deficient symptons as well as the internal chemocycles cannot operate normally as well...
 
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