On my tangelo tree, I have a lot of tan branches that are dried and don't have vegetation. What is causing this and should it be thinned off? I'm wondering if it has any relation to the desired tan branches of grape vines - those are the two year old branches that can grow fruit.

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The tan brown branches on your tree are dead twigs and limbs. If you will look towards the bottom of each, you will see a bit of an enlarged green area where it joins the main branch. You should gently prune each of those dead twigs off to just above that.

Besides these dead branches, your tree looks pretty sparse on the foliage. You need to figure out why it is suffering die-back and what is keeping it from growing well. Check to make sure it doesn't have an insect infestation, and that you are giving it enough water (but not letting it sit in a puddle) and that it has enough sunlight (full sun is what citrus prefers in most areas) and feed it monthly with a dilute citrus specific fertilizer.

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  • Yes, it is quite sparse in foliage. It has not been fertilized in at least a year (I moved to this house 1 year ago). I give it 2 gallons of water per week. It was also planted right next to the concrete on one corner, so it's roots on that corner must be mangled. The old owner really loved to plant trees in cramped and shady areas. Most of the branches are growing away from the concrete. – JoJo Feb 28 '14 at 2:15

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