End to moth quarantine eliminates stringent shipping rules - The Packer

End to moth quarantine eliminates stringent shipping rules

07/02/2012 02:20:00 PM
Vicky Boyd

FRESNO, Calif. — When the European grapevine moth quarantine ended March 8 in Fresno County, growers, packers and shippers who grew or packed grapes from the zone were free of the strict protocols they had been following for more than a season.


 At the same time, the U.S. Department of Agriculture let U.S. trading partners know of the successful pest-fighting effort, said Tye Hafner, Fresno County deputy agricultural commissioner.


“It should be business as usual for the growers, but the county is maintaining traps in the area just as a precaution to make sure we truly did eradicate it and we didn’t get a reinfestation,” Hafner said.


A handful of importing countries, including Australia, New Zealand, Mexico and Canada, had shut their borders to table grapes originating from within the quarantine area the past two seasons, he said.


The eradication declaration should allow grapes from those vineyards to move freely this season.


That’s good news, said George Matoian, salesman for Visalia Produce Sales Inc., Kingsburg, who had table grapes within the quarantine boundary.


“It’s a little bit of a headache for the grower to do the sampling prior to picking,” he said.


About 70% of Bravante Produce’s table grape acreage was inside the quarantine zone, which meant the firm had to follow strict pre-harvest protocols, said Ron Wikum, table grape category manager for the Reedley-based grower-shipper.


“We had to jump through hoops in terms of inspections, permits and bunch inspections,” he said.


“Other than that, we didn’t have a problem getting our grapes out of those vineyards.”




Trap catches totaling 11 European grapevine moths in spring 2010 set in motion a state and federal quarantine over about 96 square miles.


Bordered roughly by Sanger, Fowler, Selma, Kingsburg and Reedley, the area included about 2,800 acres of table grapes as well as stone fruit orchards and raisin and wine grape vineyards.


In California, grapes appear to be the preferred host of the grapevine moth, which is native to the Mediterranean, said Walt Bentley, a University of California Extension entomologist based at the Kearney Agricultural Research and Education Center near Parlier.

Scientific literature also cites several alternate hosts, including stone fruit, pomegranates, kiwifruit, gooseberries, blackberries and persimmons.

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