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
5 instars

Green Stink Bugs in Macadamias

October 9, 2017
By Sonia I Rios
The green stink bug is the dominant species found in fruit and nut trees; the others are found primarily in vegetables. Stink bug infestations originate when adults fly in from weedy areas.
View Article
Primary Image
Blueberry fruit

Organic Blueberries Make More Money

October 6, 2017
By Ben A Faber
Synopsis of: The Organic Premium for California Blueberries by Hoy Carmen, professor emeritus in the Agricultural and Resource Economics Dept., UC Davis Commercial-scale production of blueberries in California is a relatively recent development.
View Article
Primary Image
Avocado meeting

Avocado Pest Discussion – trying to stay one step ahead

October 4, 2017
By Sonia I Rios
The University of California Cooperative Extension conducted an Avocado Pest Management Round Table grower meeting in Fallbrook, CA on September 28, 2017. Approximately 64 growers, industry, Pest Control Advisors, and other stakeholders were present.
View Article
Primary Image
bacterial-citricola canker

Here Come the Cankers

October 2, 2017
By Ben A Faber
Avocado Trunk Cankers 2016/17 was a normal rainfall year in the avocado growing region of California. But this was on top of lots of winters with such low rain amounts that there was not adequate salt leaching. No rain, no leaching.
View Article
Primary Image
barnacle scale from Ojai

Invasive Scale?

September 29, 2017
By Ben A Faber
Recently a grower called up with a beautiful scale that the PCA couldn't identify. I could just marvel at the beauty of it and wondered what in the heck it was. It didn't look like any scale I had seen in the area and others who were queried didn't know either.
View Article