The bacterial pathogen Xanthomonas citri, which causes canker disease in citrus trees, activates selected parts of the fruit ...

The California Department of Food and Agriculture issued a citrus quarantine this week for northern San Diego County and part of Marine Corps Base Camp Pendleton. The quarantine was issued after state ...

Photo: Jeffrey B. Jones The dark spots on the leaves and fruit of the lemon tree are typical symptoms of citrus canker, which ...

Scientists at the University of Florida are testing a new type of citrus tree that can fight off the tiny insects responsible ...

A plant expert wants to remind gardeners that they must remain vigilant to prevent an insect infestation that will kill their citrus trees. “We have in California a fatal and incurable citrus disease, ...

Residents Encouraged to Get Involved in the Fight Against Pests and Diseases Threatening California’s Backyard Gardens and Commercial Agriculture SACRAMENTO, Calif.--(BUSINESS WIRE)--As invasive pests ...

We may receive a commission on purchases made from links. Citrus trees are a great way to add depth, color, and variety to your backyard. They are also a great source for fresh fruit. However, for all ...

Don't toss that supermarket lemon. Learn how to grow lemon trees (Citrus x limon) from seeds to produce one of the most fragrant flowering trees around.

If you want your citrus trees to produce an abundance of healthy fruit in winter, now is the time to care for them. I grew up in Arizona, where I had no appreciation for the absurd quantities of ...