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 heat to stem

Avocado Heat Damage

September 17, 2020
By Ben A Faber
Fruit drop happens soon after, or slowly, depressingly over several weeks after a heat wave. The stem turns brown, cutting off moisture to the fruit, and they drop.
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myoporum leaves and growth

Sleuthing a New Devastating Disease

September 16, 2020
By Ben A Faber
So Sphaeropsis tumefaciens causes galls, but it's also been noted to cause witches broom in citrus, as well. Thjs type of broom formation is a wild, though compact growth. It's a dense mass of shoot growth from a single point a messy mass that even a witch would have a problem using to sweep up.
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Bindweed+flowers

Bindweed's Overwhelming Beauty

September 15, 2020
By Ben A Faber
Convolvulus can be an ornamental plant. There is a reason it is called MORNING Glory. It's why people plant it. It's commonly sold in nurseries. There's a large purple flowered variety that is growing throughout my Ventura city neighborhood.
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irrigATING CITRUS

Irrigation Conference

September 15, 2020
By Ben A Faber
The California Irrigation Institute is the oldest independent forum on irrigation and water in California founded in 1962. The primary purpose of the institute is to host an annual conference on California water issues, water use efficiency, water quality and surface and groundwater management.
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