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Growing Avocados

Growing News

These articles are time-sensitive cultural management pieces that address current growing conditions and seasons.

May 4, 2015

In our last alert we informed you about three new beetle finds in San Diego County, one in the Escondido area and two in the Bonsall/Oceanside area. On Monday we received confirmation of another new find in the Escondido area. Unlike the previous finds, this find was not the result of CAC’s monitoring program, but rather based on a grower’s observation of symptoms on their trees. This new find is less than a mile from previously known infestations on the east side of Escondido.

March 12, 2015

Materials from the CAS pollination and Botryosphaeria Cankers seminars, held in early February, are now available for California avocado growers.

March 11, 2015

The Polyphagous Shot Hole Borer (PSHB) beetle is widespread in Los Angeles and Orange Counties, northern avocado growing areas of San Diego County, and in limited areas of Riverside and San Bernardino Counties. The purpose of the California Avocado Commission’s (CAC’s) PSHB monitoring program is to identify the spread of PSHB from these known infestations.

Cultural Management

These articles are a collection of perennial cultural management best practices.

March 24, 2014

As growers and pest control advisors plan their arthropod pest management program for 2014, they should consider the consequences of pesticide resistance that would make pest management problematic in the future.

December 18, 2013

View three presentations concerning threats posed to California avocado groves by new pests and diseases, including laurel wilt disease, fusarium dieback disease, the polyphagous shot hole borer and the Florida redbay ambrosia beetle.

September 24, 2013

Because avocado trees are tropical rainforest trees, they are active year-round — and that means cultural management of avocado groves is necessary throughout the year. In fall, growers should prepare avocado groves for winter weather events, flush out accumulated salts, and apply pruning techniques and fertilization for optimal spring performance.