Help with Navel orange in Phoenix

[AZCitrus]

Hi Everyone -

As the subject states, I have a dwarf navel orange tree in Phoenix that I am struggling with.  It was planted about 2.5 years ago and has yet to bear fruit.  The current size of the tree is about 3' diameter.  It is planted on the east side of my yard, and gets mostly afternoon sun due to a block wall providing shade in the morning hours.  I water it once per week for 12 minutes on a bubbler irrigation head that has adjustable flow - I am not sure what the GPM is of the device.  I had been watering it twice per week for 11 minutes, but some of my initial research led me to believe this was too frequent.  I put it on the new watering schedule about a month ago.  For what it's worth, I have a dwarf meyer lemon tree on the west side of my yard that was planted at the same time as this tree, but has grown substantially larger (although it did not bear fruit this year, I think I messed it up while playing around with the watering schedule).

I have included a picture below of the current state of a small section of the orange tree, but this is indicative of the entirety:



I'm not sure if the state of the leaves is due to sunburn, a disease, a pest, watering issue, or some combination of the above.  Any help would be greatly appreciated!!

Thank you

[Kevin Jones]

You didn't mention any kind of fertilization.
I would suggest you try Miracle Grow at regular strength on a weekly basis.
Water the root zone with it.
Also... You may have some ph issues that you need to address.
Try a heavy acid mulch like Pine straw and Oak leaves.. certainly can't hurt!
It will also reduce water and heat stress it may experience
I don't live in the desert... but these procedures work for me.

Good luck.

Kevin Jones

[brian]

there's a citrus section of this forum that might offer better answers.

My navel and blood orange trees tend to grow and grow but not fruit so much.  Not sure what the norm is for typical citrus growing areas. 

[AZCitrus]

Thank you for the responses.  I re-posted in the citrus forum.