Question: My grapefruit trees’ leaves have developed indentations as if someone tried to push a pin in them. What is this, and how can it be treated? Answer: This problem is caused by a fungus known ...

The oranges on my orange tree have raised bumps on them and look horrible. Can I eat them? Should I treat them? Not to worry. Your oranges are perfectly edible. What your fruit has is a disease known ...

HAINES CITY | One can't blame Florida citrus growers for feeling they're in the cross hairs for every citrus disease on the planet. The U.S. Department of Agriculture last month confirmed the first ...

Robin asks: Some of the fruit on my tangelo tree have scabby looking growths. What might be causing this? Is the fruit ruined? Should I remove them or is there a treatment? All parts of susceptible ...

Citrus trees and their fruit are subject to several diseases. One of the most common is scab disease. Scab is primarily a disease of Satsuma, grapefruit and lemons. It does not affect the oranges.

Sweet orange scab, a fungal disease on citrus fruit, resembles bird damage, but the fruit is safe to eat. (Photo courtesy of the LSU AgCenter) QUESTION: I am getting ready to spray my citrus trees ...

Citrus rust mites can cause dark brown discoloration on the skin of fruit. (Photo: LSU AgCenter) Citrus trees are relatively carefree as backyard fruit trees go, but a variety of problems are fairly ...

The USDA offers more ways to learn about invasive plants and pests: Information about Virginia logging industry: http://www.vdacs.virginia.gov/marketing/pdf ...

Kawika asks: The limes on my tree are ripening but they have a kind of scaly growth on the skin. What is this? Is there a treatment for it? Will the limes be edible when ripe? ADVERTISING Kawika asks: ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Sweet orange scab, a plant disease ...