Q.Duncan grapefruit tree leaves have been yellow since last fall.
Why is it turning yellow? What can I do about it? It get water when dry, afternoon sun. HELP
Downtoearthdigs
Answered on June 21, 2017
It could be that the leaves are sun scorched.
You can do further inspection on the tree to rule out other issues.
This link will help you.
https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1492.pdf
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