
- is it just this one leaf? Or 1-2 others? I've seen this weird symptom several times before, leaving pale green patched that dry out fast, may even stay green-ish after,... It fits no toxicity or defc. symptom well that I find, though it presents sort of like P defc... but that usually has full on browned-out necrosis, not these pale patches,... One guru I presents pics to a while ago said it looks like an infection, not sure if bacterial or fungal,...
This is not a nute splash symptom in any case,...