ARS scientists made a "sweet" discovery that may be important to solving a major problem within the citrus industry. Huanglongbing (HLB), also known as citrus greening disease, poses a serious threat ...

Diseases are among the major causes of tree mortality in both forests and urban areas. New diseases are continually being introduced, and pathogens are continually jumping to new hosts, threatening ...

Question: I\’m new to California and worried about my navel orange tree, which has lots of large fruit. However, mushrooms are growing around the base and the bark is peeling from ground level up to ...