Optimization of ¿Horn¿ Phosphine Fumigations to Retain California Walnut Exports

Ensure pest-free security and food safety of walnuts in postharvest marketing channels via the development of efficient, economical, and environmentally benign chemical treatments. Retain and expand export of California-grown walnuts. Collect insecticidal efficacy data using the ¿Horn¿ Vaporphos phosphine fumigation system and optimize to specifically address the rapid through-put processing demands of the walnut industry.