University of California Scientists Identify New Citrus Disease

Len Wilcox California Corner

A new disease of citrus has been found in the Central Valley of California. According to a report published in the University of California’s (UC) Topics in Subtropics newsletter, several growers and nurserymen in various orchards in the Central Valley first noticed the disease in 2013. Symptoms include leaf chlorosis, crown thinning, gumming, dieback, and in severe cases, death of …

psyllids

Researchers Find How HLB Bypasses Citrus Immune System

Len Wilcox California Corner, HLB Management

Researchers at the University of California, Riverside (UCR) claim they have made an important step in understanding the molecular mechanism of huanglongbing (HLB). They believe they have found the mechanism by which the disease evades detection and destruction by the natural immune system of citrus trees. HLB, or citrus greening disease, has devastated groves in Asia, South America and the …

citrus greening

UC Puts HLB Research Online in Easy-To-Read Updates

Len Wilcox California Corner

California citrus farmers have their ears perked for all news related to Asian citrus psyllid (ACP), huanglongbing (HLB) disease and HLB research, but some of the very latest advances have been available only in highly technical research journals, often by subscription only. University of California (UC) Cooperative Extension scientists are now translating the research into readable summaries and posting them …