This name was given to the disease because an early sign of citrus greening ... Filter out the leaves and pour the tea mixture around the base of the tree. Treat the tree twice a week for two ...

The truth is that citrus leaves curling can be a result of many different factors that affect how happy and healthy the tree is. Such reasons include watering, nutrients, pests, and diseases.

But citrus itself is ancient. Fossilized leaves discovered in China’s Yunnan ... whose research informs the above illustration. A bacterial disease called huanglongbing (a.k.a. citrus greening ...

(WTOP/Scott Gelman) A Maryland researcher who is studying possible treatments for a disease that’s killing citrus trees across the country said her U.S. Department of Agriculture grant funding ...