If you have an avocado tree growing in your backyard, you need to be vigilant about a disease that has made a comeback and can destroy your fruit. It's called Sunblotch Viroid, a microscopic invader ...

Laurel wilt is a disease spread by the non-native red bay ambrosia beetle that affects trees in the laurel family. The disease, which originated from infested wood packing material, has killed native ...

On occasion, I come across a planted avocado tree and curiously ask the owner if they have enjoyed any fruits from it. Most always, the answer is "no" with a hint of frustration in their tone. This ...