Asian citrus psyllid and huanglongbing disease affect all kinds of citrus trees (lemons, limes, orange, tangerine, grapefruit, kumquat, Thai lime grown for leaves, sour oranges, etc.).

In the next few months, James Truman will be planting over 400 new citrus trees on his farm in Surprise. Many of the trees on his farm are puny things. As he strides among them to check for signs ...

Citrus Tree Disease Found in Rancho Bernardo; Quarantine Zone Expanded by Elizabeth Ireland • Times of San Diego Feb. 7, 2023, 10:55 p.m. Feb. 8, 2023, 5:30 a.m. Share this: ...

Now, hope is budding on an unlikely branch: a 30-year-old tree named Donaldson, growing on a research farm near Groveland. Scientists say it could be the key to rescuing Florida’s oranges from ...

A potentially threatening citrus tree disease was detected in Rancho Bernardo this week, said the County of San Diego Communications Office.

The disease, dubbed Huanglongbing — or HLB — infects citrus trees with a deadly bacteria that slowly kills them and renders the tree’s fruit rancid.

A fatal citrus disease that has citrus growers on edge continues its deadly path through Southern California, this time infecting a tree in Riverside County, state and federal officials confirmed.

The California Department of Food and Agriculture declared a citrus quarantine in a 95-square-mile area of Rancho Bernardo on Tuesday after detecting a potentially threatening citrus tree disease d… ...

About 12,000 citrus trees in St. Charles Parish are in danger from a tiny insect that carries an incurable disease. Though no cases of citrus greening disease have been reported in the parish and ...

OCEANSIDE — State agricultural officials declared a 60-square-mile quarantine this week after a potentially devastating citrus disease was found in two trees on residential property in Oceanside ...

A disease that has devastated citrus groves in parts of Florida and Texas —and made its way to Southern California almost a decade ago — was recently found on a tree in Long Beach, causing a ...

The disease, dubbed Huanglongbing — or HLB — infects citrus trees with a deadly bacteria that slowly kills them and renders the tree’s fruit rancid.