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 Read the magazine story to find out more.ARS researchers and their colleagues have developed a new lure that is seven times more powerful than the current standard for bringing the navel orangeworm, the number one insect pest of almonds, into monitoring traps. Click the image for more information about it.For further reading
Scientists probe yeast's ability to protect tree nuts
Infrared-based approach explored for keeping almonds safe to eat
New pairs of compounds may help tree nuts fight fungal foe New Lure Target's Almond Enemy No. 1: Navel Orangeworm By Marcia Wood August 28, 2014 Almond orchard experiments and laboratory tests led by U.S. Department of Agriculture (USDA) scientists and their colleagues are yielding good news for almond fans and bad news for almond's No. 1 insect enemy, the navel orangeworm. Headed by USDA chemist John J. Beck, the team has developed a promising new combination of all-natural compounds to lure navel orangeworm moths into monitoring traps. According to Beck, preliminary tests at his Albany, California, laboratory and in two orchards in that state—the nation's leader in almond production—indicate that the experimental lure is at least seven times more powerful than the most commonly used alternative. Beck works at the Western Regional Research Center operated by the Agricultural Research Service (ARS), the chief intramural scientific research agency of USDA. The new lure's effectiveness is due, at least in part, to its ability to attract both male and female navel orangeworm moths. The conventional lure can't do that. The monitoring traps in which the new lure might someday be used are typically hung from almond tree branches. Growers and their pest control advisors use the traps to detect incoming navel orangeworm moths and to monitor their numbers, then use that information to determine the best time to apply insecticide. The new lure may provide a more accurate picture of moth numbers within an orchard. Navel orangeworm larvae that emerge from eggs laid by female moths can damage almonds by feeding on the kernels or by contaminating them with mold-forming *Aspergillus flavus* or *A. parasiticus* fungi. The fungi are of concern because they can produce cancer-causing compounds known as aflatoxins. Almond processors spend millions of dollars annually inspecting harvested almonds to keep any nuts that contain unsafe levels of these toxins out of the food supply. The almond studies help improve food safety and reduce food waste, two USDA top priorities. An article in the August 2014 issue of *Agricultural Research* magazine has more details about the research. Beck and Douglas M. Light, Wai S. Gee, and Noreen E. Mahoney, all with ARS at Albany; Daniel D. Cook, with ARS at Logan, Utah; Bradley S. Higbee of Paramount Farming Co., LLC, and other colleagues, conducted the research with funding from ARS, the California Department of Food and Agriculture, the Almond Board of California, the California Pistachio Research Board, and Paramount Farming; and with the assistance of D&D Farms, S&J Ranch, Strain Ranches, Nickels Soil Laboratory, and others.


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