Topics in Subtropics

Over the last two weeks Mary Lu Arpaia (Extension Specialist, UC Riverside) and David Obenland (Plant Physiologist, USDA-ARS) had the opportunity to visit Israel and spend several days looking at avocados including a visit with Zvi Mendel and Stanley Freeman, the lead researchers in Israel on the Po...

Efficient and precise irrigation management is becoming increasingly important inCaliforniaagriculture, both for maximizing crop quality and for conserving water.

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USDA-ARS National Clonal Germplasm Repository for Citrus & Dates Stubborn disease of citrus was first observed about 1915 in Washington navel trees nearRedlands. The first report of stubborn from outside ofCaliforniawas fromPalestinein 1928.

High priced district water in San Diego County is really making it tough on citrus growers. Many of the citrus growers in San Diego County are finding it increasingly difficult to make a profit, but they usually stick it out for several years before they turn the water off.