Help with some fan leaves curving left and right

Driver733

Well-Known Member
Wondering if anyone can help me diagnose the issue I have with two plants, they have fan leaves which curve left or right (instead of curling up or down), and they are half discolored, one half dark green, the other side of the rib is light green/yellow. They are eleven days into flowering, strain is Strawberry Amnesia from seed.

As you can see below, not all of the leaves are showing these symptoms, just a few on two of four plants. The other two plants who no symptoms at all.

I have been feeding FF Tiger Bloom just enough to ph the water down to 6.4, or ph down for plain water. Planted in 3 gallon fabric pots with FF ocean mix.

Running under HLG 550V2 Rspec light in a 4x4 tent with 6" AC Infinity exhaust fan and 4" intake fan. Water roughly every 4 days.

I have cal-mag but I haven't tried it yet. It doesn't seem to be getting worse, and the overall growth of the buds seems to be the same as the plants without the curved leaves, so maybe it's nothing to worry about.

Also wondering if I should be concerned about the red stems in the pics.

Any feedback is very much appreciated, thank you!

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Southerner

Well-Known Member
Looks like some variegation. Best case is it’s just genetic and no big deal, worst case would be broad mites. You will need a reasonably powered scope or loupe to see them as they are small though.
 

Driver733

Well-Known Member
Well, I just returned from checking a sister plant (same strain, different seed) that I put outside 3 weeks ago, it had the same leaf curving and discoloration on some lower, older fan leaves. It must've been there when I put it out and I didn't notice it, it hasn't gotten worse and it certainly has not affected the growth of the plant, about 4 feet tall. Maybe it is a weird reaction to the led lights? I don't know, but I guess I don't need to worry about it.
 

CannaCountry

Well-Known Member
Generally speaking, pH would most likely be the cause of the twisted / contorted leaves. The red petioles suggest an Mg shortage, and by looking at them I would agree. Epsom salt is your friend, it should green them up all the way around. Good luck.
 
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