Learn how to protect your California orange, lemon, mandarin, lime and other citrus trees from the Asian citrus psyllid pest and the plant disease it can spread, Huanglongbing, also known as …

Learn about the threat to California citrus from the Asian citrus psyllid insect pest, carrier of Huanglongbing or yellow shoot disease, a lethal plant pathogen.

Citrus canker lesions are raised, unlike the sunken twig scars from hail injury or the roundish discoloring on fruit from cold and sunburn. Report to agricultural officials this exotic disease if …

May 14, 2025 · Five exotic citrus pests and diseases are established in the United States and have the potential to harm every acre of citrus if they were allowed to spread. They include …

The Citrus Pest & Disease Prevention Program is an initiative funded by California citrus growers and administered by the California Department of Food and Agriculture dedicated to …

Oct 16, 2023 · However, over our 130 years of farming citrus, the recent detection in Santa Paula of Huanglongbing, also known as HLB or citrus greening, poses the greatest threat to my …

There are many harmful insect pests and plant diseases that put California’s residential and commercial citrus at risk. These pests and diseases can negatively impact California’s …

Feb 29, 2024 · There is a wide range of pests and diseases that can damage citrus and threaten tree and crop health if not managed appropriately. Since the early 1900s, California citrus …

The Citrus Pest & Disease Prevention Program is an initiative funded by California citrus growers and administered by the California Department of Food and Agriculture dedicated to …

Year-Round IPM Program for managing pests on citrus, including identifying diseases and disorders of fruit from UC IPM.