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

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

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 ...

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 ...

Citrus trees showing natural tolerance to citrus greening disease host bacteria that produce novel antimicrobials that can be used to fight off the disease, our recent study shows. We found the trees ...

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 ...

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, ...

An ancient tree from India is now thriving in groves where citrus trees once flourished in Florida, and could help provide the nation with renewable energy. As large parts of the Sunshine State’s once ...