Question

pomegranate   QUESTION: Hi,

  My Pomegranate is experiencing yellowing of leaves. I wonder if it's due to the fungicide I sprayed  few days ago or soil issues? I used the fungicide as a last resort as I found that many of the young leaves are ill-grown/distorted and there aren't any pests around. Ironically, the young leaves are fine even after I've sprayed the fungicide. Will attach more pictures for your reference.

ANSWER: It's possible the damage was done by the spray if it pooled at the leaf tip, but I think it is more likely water and/or soluble salt.  Tip damage to roots often results in tip damage in the foliage. Either way, the plant looks fine and not in poor health, so trim up the foliage and go on.  Jim

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QUESTION: Hi,

 Thanks for great advice. You mentioned water/salt could be the cause. Appreciate if you could elaborate on that. The water I use for the plant is not hard water and is suitable for even human consumption. Also, I use solid fertilizers sparingly. Appreciate your advice:)

Answer
Look at the drain holes, in the saucer and around the soil edge in the pot.  Is there any white residue?  If there is, that's salt.  A common occurance in containers from fertilizer. You can leach most of it out by setting the pot in a tub of warm water.  Water should be the depth of the soil. Let it sit a few minutes and then pick it up and the water draining out will remove most of the salt.  It can be absorbed by plants and accumulates in margins and leaf tips causing the area to brown so I usually leach containers once a year.