The tree seems to have produced plenty of fruit this winter. A: Based on the photos, it appears that your citrus tree may have one of two diseases: Phytophthora gummosis or Psorosis.

This will provide essential nutrients for your tree. Test the soil pH if possible; the ideal range for orange trees is between 6 and 7. Good soil preparation helps the roots grow strong.

For full article with additional photos view: Intro to Trees of Indiana: Osage Orange, Forestry and Natural Resources’ News. If you have any questions regarding wildlife, trees, forest management, ...

Q. Our young navel orange tree has a tall sprout coming up the middle. This is the first year the sprout has grown leaves; before it was just thorns. Should this sprout be cut off? This year’s ...