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.

There are numerous plant diseases that may attack citrus trees, but in our area of Southeast Texas, most notably are Asian citrus greening and citrus canker.

Follow these tips on how to prune citrus trees to encourage strong branches and improve fruit production.

Use your fingers to snap off any green branches below the orange tree’s graft union. Remove the suckers as close as possible to the trunk of the tree. Do not tear the bark of the tree’s trunk.

A new multi-institutional study will develop and evaluate systems that deliver treatments to trees affected by citrus greening disease.

A potentially threatening citrus tree disease was detected in Rancho Bernardo this week, said the County of San Diego Communications Office.

The Director of the Citrus Pest and Disease Prevention Division has been preparing for years to tackle a deadly citrus disease that is beginning to spread across California.

Storms, pests, diseases, and overcrowding can all signal it's time to cut down a tree. Look for these signs and more to know ...

ZESTY MAINTENANCE: Prune citrus trees by removing unwanted branches back to the trunk. This is a good time of the year to do a bit of maintenance on your citrus trees. First, have a look to see if ...

Once standing at 18 feet tall and requiring ladders for harvest – the citrus trees are now barely half that height and struggle to survive in the grip of disease.

Once a tree is infected, there is no effective control or cure for the disease. This disease poses no threat to humans but can destroy all types of citrus trees, including orange, grapefruit ...