Topics in Subtropics

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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.
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avocado lace bug damage and hnad

ALB is Spreading

January 30, 2023
By Ben A Faber
In 2004, Avocado Lace Bug was identified in backyard trees in Chula Vista and National City in San Diego County, probably originating from Mexico. Later in 2017, ALB was being picked up in the Oceanside, Fallbrook, and Temecula areas apparently originating from more Caribbean/Florida sources.
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asphyxiated avocado

Rain and Mud in the Orchard

January 27, 2023
By Ben A Faber
What Can Happen With Too Much Rain? And Mud? 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.
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orchard deciduous

Deciduous Fruit Tree Production Course

January 23, 2023
By Ben A Faber
Planning and Planting the Small Orchard Block February 23-26, 2023 Course Overview This new short course will offer a wealth of information from orchard expert, Orin Martin, long-time manager of the Alan Chadwick Garden and instructor at the UC Santa Cruz Center for Agroecology.
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lemon sheepnose
Topics in Subtropics: Article

Lemon Sheepnose

January 13, 2023
By Ben A Faber
If the citrus fruit has a swollen stem end, it's called "sheepnose" and it's a swollen nipple or blossom end, it's also called "sheepnose". A swollen nipple is much more common. The fruit also tends to be coarse and the skin thick.
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