Laboratory fumigations to determine the minimum temperature for methyl bromide eradication of the oak wilt fungus in red oak

IRG/WP 3243

E L Schmidt

Laboratory chamber fumigations of naturally-infected ret oak log sections exterminatet the oak wilt fungus in sapwood at temperatures down to 0°C. Only low, sporadic fungus survival was observed when log sections were gassed with methyl bromide at -5°C and aired for 4 da. at 0°C. Lower temperature treatments were not effective even if gas levels or exposure times were increased by 50%.


Keywords: METHYL BROMIDE; FUMIGATION; TEMPERATURE; LOGS; GASEOUS TREATMENT; PHYTOSANITATION; CERATOCYSTIS FAGACEARUM

Conference: 83-05-09/13 Surfers Paradise, Queensland, Australia


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