These tough species can survive subzero temperatures and work great as rootstock. But when allowed to grow as full-sized trees, rootstock species don’t produce tasty fruit. In fact, their fruit tends ...

Sweet orange scab is a fungal pathogen that affects citrus like tangerines and sweet oranges.

Three months after the state imposed a citrus quarantine across 100 square miles of Ventura County, inspectors have diagnosed 68 residential citrus trees with huanglongbing, an incurable ...

HLB, or 'yellow dragon disease', has led to the destruction of more than 100 million infected citrus trees in China, and more ...

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 ...

CITRA, Fla. — 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. These citrus trees, ...