Topics in Subtropics

To provide California citrus growers with a strong toolbox of science-supported strategies and tactics to protect their orchards from Huanglongbing, the Citrus Pest & Disease Prevention Committee endorsed a set of best practices for growers to voluntarily employ in response to HLB in California.

Update on invasive shot hole borers: Online training now available By Sabrina Drill, Natural Resources Advisor, UCCE Ventura Invasive shot hole borers (ISHB) are a pest and disease complex potentially affecting over 200 tree species, but posing a strong risk to box elders, sycamores, and other ripar...

In a recent article in Fresh Plaza, the flood of imported jackfruit is reported. As recently as 2 years ago, I saw jackfruit advertized on Amazon for nearly $10 a pound. These babies regularly weigh in at 10-20 pounds. In their homeland, they regularly clock in at 80 pounds and more.

Biological control is the management of pests and their damage by the beneficial action of parasites (parasitoids), pathogens, and predators. These beneficial organisms, collectively, are named natural enemies.

Walnut Twig Beetle and Fungus Causing 'Profound Damage' to Black Walnut Trees Author: Kathy Keatley Garvey Published on: May 23, 2019 Thousand cankers disease is killing a giant black walnut tree, estimated to be 150 years old, on the 100 block of E Street, Davis.