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Abstract
Peel injury in 3 citrus fruit cultivars fumigated with ethylene dibromide (EDB) was due to the persistence of resudue of the fumigant in the fruit peel. Initial resudues after fumigation were proportional to the concn and time of exposure. The desorption rate during aeration increased with temp. Incidence of peel injuries was highest in fruit stored at low temp or wrapped in polyethylene bags, probably due to prolonged action of EDB residues on the peel.
Storage of fumigated fruit in an atmosphere containing an increased concn of CO2 delayed the appearance of damage. Susceptibility was greatest in ‘Marsh’ grapefruits, followed by ‘Shamouti’ and ‘Valencia’ oranges.