Yellow new growth

**Wheatley90** · 02-01-21, 03:23 PM

Just been to see a freinds crop and some new growth is yellowing isnthis a deficiency

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**Herbitual** · 02-01-21, 03:32 PM

Eesh - I don't like the look of that. The randomness could be fungal? Leaf septoria?

**Wheatley90** · 02-01-21, 03:35 PM

Jilust googled that septoria is more spot form this isnt spotty

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**Herbitual** · 02-01-21, 03:41 PM

I certainly hope it isn't and I really am in no position to disagree, but it just looks like an early bacterial/fungal issue to me.

Not digging the pattern. If it was a mag deficiency for example, it'd be quite uniform...this is random.

**Shreder** · 02-01-21, 04:05 PM

Im with herb..
Kinda uncommon this..

Need more info to help

Ongoing diary >>> OGKZ / Gelat.OG / GZ / LSD (Coco, 750w lm301b)

**Shreder** · 02-01-21, 04:06 PM

I once had a gsc cut that did similar but dofferent coloring and was all fine. Seeing your other plnt is fine i would check all variables maybe flush and restart the medium but this really might be a pheno thing

Ongoing diary >>> OGKZ / Gelat.OG / GZ / LSD (Coco, 750w lm301b)

**Wheatley90** · 02-01-21, 04:21 PM

Originally Posted by Shreder

Im with herb..
Kinda uncommon this..

Need more info to help

Ongoing diary >>> OGKZ / Gelat.OG / GZ / LSD (Coco, 750w lm301b)

Purple queen seeds. Grown in clay pebbles , ec 1.4. Now iv just taken my ph pen (£10) off amazon and he has the same and there both giving difrent reading. 1 pen 5.5 ph and 1 is 6.5. So order calibration fluid so ph could be out. Canna vega hydro a and b hes using and no other nutes. Tenps 27 lights on 23 lighys off. What causes leaf septoria and can ot be treated. All 7 other plats are ok justbthisb1 that looks a bit funny

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**Valentina** · 02-01-21, 04:41 PM

Are they under an older or blurple LED?

Have the nutes been mixed well? As in, did your mate mix the AB then add water? Sorry, just want to be sure

The active growing area being a bit lighter in colour is understandable. I am guessing the plant is just growing fast as she can, but somehow she is not taking up the nutes fast enough.

I have also seen blotchy leaves under blurple lamps. It's a phase they can grow out of eventually.

**Wheatley90** · 02-01-21, 04:59 PM

Originally Posted by Valentina

Are they under an older or blurple LED?

Have the nutes been mixed well? As in, did your mate mix the AB then add water? Sorry, just want to be sure

The active growing area being a bit lighter in colour is understandable. I am guessing the plant is just growing fast as she can, but somehow she is not taking up the nutes fast enough.

I have also seen blotchy leaves under blurple lamps. It's a phase they can grow out of eventually.

No there under a 400w mh bulb in a avenger reflector. And he has a 25 ltr drum full of water he puts some a in Gives it a shake then adds b.

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**Wheatley90** · 02-01-21, 05:04 PM

Plants are 6 weeks old just askrd him his ppm os only at 450. I think this is realy low dose any one agree i was thinking he should be more at around 900ppm at this stage

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