Topics in Subtropics

newsletter
Topics in Subtropics Blog
You can subscribe to this  blog with multiple entries per week reflecting what's happening with subtropical crops and upcoming educational events.  Just click on the "Subscribe" button just to the right of this paragraph.  There's also our seasonal quarterly Topics in Subtropics newsletter found at our Ventura, Santa Barbara, San Luis Obispo, Riverside, San Diego, Tulare and Kern Counties Cooperative Extension websites.
Primary Image
Nitrogen workshop flier

Managing Nitrogen Organically

November 6, 2023
By Ben A Faber
Practical Training in Nitrogen Planning & Management in Organic Production of Annual Crops BUT All Growers Could Learn from these sessions - Virtual Event Habr traduccin al Espaol 3-part Workshop Session 1: Monday, Nov. 27th, 2023, 1-3pm Session 2: Monday, Dec.
View Article
Primary Image
asphyxaited trees with whitewash

Mulch and TOO Much Rain

November 3, 2023
By Ben A Faber
What Can Happen With Too Much Rain? Watch that Mulch!!! Rain is wonderful stuff. If it comes and washes the accumulated salts of the last several years out of the root zones of citrus and avocado, that's a good thing.
View Article
Primary Image
citrus thinning canopy phytophthora

Phytophthora Diseases of CA Citrus

November 3, 2023
There are at least four species of Phytophthora species (P. citrophthora, P. parasitica, P. syringae, and P. hibernalis) associated with citrus in California and all species can cause various symptoms in citrus including the three main diseases' associated with Phytophthora spp.
View Article
Primary Image
hlb infection

The Next Step with HLB?

November 1, 2023
By Ben A Faber
Transgenic Citrus Studies Progressing Spray pesticides? Inject antibiotics? CUPS? Or? The search for solutions to HLB has gone on for nearly two decades.
View Article
Primary Image
QFF

Fruit Fly from Down Under

October 20, 2023
CDFA has recorded a second detection of Bactrocera tryoni Queensland Fruit Fly (QFF) in Ventura County. This tiny but troublesome pest was found in a residential neighborhood of Thousand Oaks.
View Article