Scientists have identified a gene that causes production of a substance in some citrus that interferes with many medications.

Sumo citrus are beloved for their large size and sweetness. Here’s what to know about buying and storing this sought-after ...

Researchers successfully added a gene to several types of citrus, which causes the tree to make a protein that kills greening-causing insects.

Oranges are tropical fruits in season during the winter months. So while most other fruit trees fall into hibernation, the ...