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Ozone fumigations were evaluated for postharvest control of Western black widow spider (BWS), Latrodectus hesperus (Chamberlin and Ivie), in fresh table grapes destined for export from California USA. Mature adult female black widow spiders were contained in separate gas-permeable cages within a flow-through vacuum chamber and exposed for 1h at 3±1°C (x¯±s) and 67.5kPa to gaseous ozone at eight steady-state...
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