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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drought

Avocado and Citrus in a Drought

October 27, 2014
By Ben A Faber
Impacts of the recent drought conditions on Central Coast avocado production, and potential impacts of continued drought conditions Avocados are the most salt and drought sensitive of our fruit tree crops.
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Zinc and Phosphorus

October 23, 2014
By Ben A Faber
I was recently in an avocado orchard and saw the rounded fruit and small leaves typical of zinc deficient trees. I asked the grower if there were recent leaf analysis of the orchard, and so we looked at them. The leaves were running at 20 ppm which is low. Sufficiency runs at 50 ppm.
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El Nino

September 5, 2014
By Ben A Faber
By way of the San Francisco Chronicle Hopes of an almighty El Nio bringing rain to a drought-stricken California - with its fallow fields, depleted streams and parched lawns - were further dashed Thursday.
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IMG 1760

Bagrada bug now on Avocado

September 4, 2014
By Ben A Faber
Just when you thought we knew all the devastating pests of avocado, along comes another one, this showing up in the Piru area of Ventura County - bagrada bug. The infestation is in huge numbers covering the stems and leaves of the tree, leaving fecal droppings on the backsides of leaves.
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ANR

A Story about Cooperative Extension

September 3, 2014
By Ben A Faber
This is a story about phone calls that come in to my message machine. Yesterday I got 3 calls from PCAs (Pest Control Advisors) and two from growers.
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