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Necrotic Leaves caused by Calclium defficiencies. ...
Korinthiusstarted grow question 6 years ago
Necrotic Leaves caused by Calclium defficiencies. Should they be removed or should they be left on. I removed them from my plant. It appears to have been caused by a PH spike while I was away for 2 days. Plant seems to be recovering, but I removed the leaves yesterday. Thanks.
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Experimentgreenanswered grow question 6 years ago
So..my perspective on when i had leaves that got damaged, I'd evaluate each leaf and if it still had some areas that still appeared healthy i would try and let them ride it out. But if the damage is so severe then were facing the leaf not being able to perform its basic photosynthetic properties, then i would remove. However a leaf thats only partially damaged (spots, etc) the plant can still pull some nutrients and positive plant products from that leaf before it completely dies out. I always see my leaves as photosynthetic real estate and the more available area, the better. (Well up until flowering defoliation time)
I hope the leaf damage stops here and doesn't continue to affect others. Keep up the fight! ✌️🍀
Athosanswered grow question 6 years ago
Calcium deficiency shows as copper / rust spots on newer leaves, not older ones and even so it shows weeks after the deficiency begins. If by necrotic you mean dark / black / metallic blue spots on leaves, then that's P deficiency, probably due the pH spike you had.
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