As a result of UC ANR's Almond Pest Management Alliance Project, use of mating disruption as an ecologically sustainable pest management practice tripled over two years by growers and pest control advisers who influence over 400,000 acres of almonds in the San Joaquin Valley.

The Issue

Navel orangeworm is the single most important pest of more than 1.3 million acres of almonds in California. It feeds exclusively on almond kernels, rendering them unmarketable. Larvae are also associated with Aspergillus sp. fungi which can produce aflatoxin contamination of...