Perfect Sun LED Jul 30, 2014 I know this is an old pic but looks like the onset of P or K deficiency, as those are the two most common that yellow the veins and then the whole leaf. leaves the veins dark. I think zink also yellows the veins but is more rare.
I know this is an old pic but looks like the onset of P or K deficiency, as those are the two most common that yellow the veins and then the whole leaf. leaves the veins dark. I think zink also yellows the veins but is more rare.
