I have a mature 10 ft 8 yr old avocado tree and the leaves are turning yellow and the 30+ fruit on the tree are red skinned, but turn brown when picked and stored. It's close to another avocado tree which has the normal dark green leaves. It receives normal fertilizer annually. We are 200 meters from sea. Other avocado trees nearby in the settlement are normal. Is my tree dying or can it be saved? Thanks for any help.
By Allan M
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I found info on yellowing leaves: Yellowing leaves indicate iron deficiency, that can be caused by overwatering or lack of nutrients. They say a chelated foliar spray containing iron will correct this deficiency. Don't know your feeding setup, but they suggest they be given a multi-purpose fertilizer 4x a year.
Hope this helps.
It's possible it's just a different variety of avocado. Maybe you've "discovered" a new cross-breed? I've not researched avocados much lately, but I have seen "red" ones when I used to live near the coast here in California.
Beware fertilizing avocado trees too often. In So Cali they grow perfectly fine with very little...sometimes no fertilizer.
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