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Proactive avocado pest control


									California Farmer                                                                                                                   - August 2010                                                            7
                                                                  California News Net

Proactive avocado pest control
                                                 Key Points

      ALIFORNIA’S avocado industry               ■ Avocado seed moth could devastate
      is worth more than $320 million              California’s avocados.
      annually, and has 6,000 growers            ■ Mark Hoddle’s team has collected 300
farming 6,000 acres. Indeed, California            pest-infected avocados in Peru.
grows nearly 95% of the country’s
                                                 ■ Hoddle is rearing out the pests and their
avocados. University of California, Riv-
                                                   natural enemies in their lab.
erside, entomologist Mark Hoddle is in
Peru to look for known avocado pests:
in particular, the avocado seed moth,          orchards and fruit vendors in Peru, and
Stenoma catenifer, that could wreak            are rearing the pests and their natural en-
havoc on California’s avocados, should         emies in their lab for study. Later, these
the pest make its way to the state.            pests and their biocontrol agents will be
   “This pest is native to Peru, and is par-   identified by taxonomic specialists, and
ticularly destructive in avocado-growing       described and named if they turn out to
areas in the Chanchamayo region of             be species new to science.
the Junin District,” says Hoddle, the di-
rector of the Center for Invasive Species      It’s happened before
Research. Like an Indiana Jones of inva-       “As part of the survey, we are pros-
sive species, he travels around the world      pecting for unknown species of avocado
in search of invasive pests that could         fruit pests — those that have not been
                                                                                                    INVASIVE SHOPPING: Mark Hoddle looks for pest-infested avocados in
threaten California’s agriculture. Hoddle      recorded attacking avocados before,”
                                                                                                    a fruit stall in San Ramon, Junin, Peru. Fruits with feeding insects inside
and his research team have collected           Hoddle says. When an unknown pest                    were collected and returned to the SENASA (Peru’s equivalent to the USDA
almost 300 pest-infected avocados from         shows up, establishes itself and causes              Animal Plant Health Inspection Service) lab in San Ramon and held
                                               havoc, oftentimes researchers can be                 in cages to rear new insects for study.
                                               left scrambling on how best to develop
                                               eradication or management plans.
                                                   “We have seen this twice before
                                               in California with avocado pests: the            California, he and his team want to be                                                     Contents                 Vol. 293 No. 8
                                               persea mite and the avocado thrips,”             fully prepared for pests that could be
                                               Hoddle says. “Both were species new              invasive in California. “We also want to                                                   ■   California News Net                      1
                                               to science when they first showed up in           identify any natural enemies they may                                                      ■   California Provocateur                   8
                                               the U.S., and they are the worst two in-         have and how effective these biocontrol
                                               vasive pests California avocado growers          agents are,” Hoddle says.
                                                                                                                                                                                           ■   Specialty/Field Crops                   10
                                               need to manage. The persea mite, which               In San Diego, Riverside, Ventura and                                                   ■   Machinery Search                        14
catenifer is an extremely destructive
insect and an invasion threat to
                                               is native to Mexico, has also spread to          San Luis Obispo counties, Hoddle’s                                                         ■   Land Management                         17
California, because larvae may be              Costa Rica, Israel and Spain, where it at-       team already has set up a proactive                                                        ■   Natural Resources                       18
accidentally introduced inside of imported     tacks avocados.”                                 monitoring network with the Stenoma                                                        ■   Dairy/Livestock                         20
avocados that originate from countries             In the case of Peruvian avocados,            pheromone to detect the moth early,
                                               which are already imported into                  should it ever arrive in the state.                                                        ■   Marketplace/Classified                   22
where this pest is a native.
                                                                                                                                                                                           ■   A Taste of California                   27
                                                                                                                                                                                           ■   Market Intelligence                     28

U.S. wine shipments                                                                                                                                                                        Editor: Len Richardson
                                                                                                                                                                                           125 Ryan Industrial Court, Suite

climb but value falls
                                                                                                                                             NAPA VALLEY VINTNERS PHOTO BY JASON TINACCI

                                                                                                                                                                                           107, San Ramon, CA 94583
                                                                                                                                                                                           Phone: 925-855-9409
                                                                                                                                                                                           Fax: 925-855-9578
By LEN RICHARDSON                                                                                                                                                                          Contributing Editors:
                                                 Key Points                                                                                                                                Richard Davis, Pam Golden, Alan
       URING the recessionary 2009

D      economy, California vintners
       shipped 467.7 million gallons
(196.7 million cases) of California wine
                                                 ■ California wine shipped to U.S. markets in
                                                   2009 rose a modest 0.2%.
                                                 ■ Retail value of sales dropped 3% as
                                                   patrons traded down for lower cost.
                                                                                                                                                                                           Newport, John Otte, J.T. Smith,
                                                                                                                                                                                           Arlan Suderman, Cecil Yancy Jr.
                                                                                                                                                                                           Executive Editor: Dan Crummett
to the U.S. wine market in 2009, up a                                                           WINE AT HOME: Trends support
                                                 ■ Wine exports, 90% from California,                                                                                                      Corporate Editorial Director:
modest 0.2% compared to the previous                                                            shipments in the U.S. as consumers
year’s volume.
                                                   slid 9.5% in value.
                                                                                                have kept wine on the table in a tough                                                     Willie Vogt
   The estimated retail value of these                                                          economy. Baby boomers have enjoyed                                               
sales was $17.9 billion, down 3% from          grew up in families who served wine, are         wine for decades; now, millennial                                                          Phone: 651-454-6994
2008, as consumers traded down to              also showing an affinity for wine,” said          consumers, raised in wine-drinking
                                                                                                families, are showing an affinity for wine.
                                                                                                                                                                                           Sales: Sandy Creighton
lower-priced wines, according to wine in-      Robert P. “Bobby” Koch, president and                                                                                                       Phone: 559-433-9343
dustry consultants Gomberg, Fredrikson         CEO of the Wine Institute.
& Associates, or GFA, in Woodside.                Wineries that were reliant on restau-         sales. Less-expensive wines (priced up                                                     Subscription Questions:
   California wine shipments worldwide         rant sales found that on-premise sales           to $7 for 750 ml) accounted for much of                                                    Phone: 800-441-1410
to all markets in the U.S. and abroad          were off 6% to 9% as consumers dined             the growth in 2009.
decreased 1.2% to 563.5 million gallons        more at home and business travel was                                                                                                                Keep up on ag news in the region.
(237.0 million cases).                         curbed. Some wineries diverted in-               Wines increase in food stores                                                                      Check out
                                                                                                                                                                                                   We feature updates on a wide range
                                               ventory to off-premise retail accounts           Wine sales from all production sources                                                             of topics, marketing data and weather
Still on the dinner table                      and placed new emphasis on direct-to-            in U.S. food stores grew in volume by 2%                                                           information you can put to work in
“Although consumers were cautious in           consumer sales with tasting-room staff           in 2009, according to The Nielsen Co., a                                                           your operation.
their spending last year, the underlying       training, more wine club events, social          global media and consumer information
consumer trends in the U.S. have kept          media outreach, special offers and up-           and analytics provider. All the growth                                                     Postmaster: Please send
wine on the dinner table during this           graded website content, according to             was with American wines.                                                                   address corrections to California
tough economy. The baby boomer gen-            GFA. Fourth-quarter results were en-                Similar to table wine trends, sparkling                                                 Farmer, 255 38th Avenue, Suite P,
eration has enjoyed wine for decades,          couraging, with shipments from several           wine and champagne grew in volume be-                                                      St. Charles, IL 60174-5410.
and now millennial consumers, who              coastal warehouses reporting improved            cause of gains in value-priced offerings.

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