Abstract
Tomato fruit ripening and ethylene production were inhibited following treatment with methyl bromide (MB). Methyl bromide significantly delayed ripening initiation in mature-green (MG) fruit and retarded the rate of ripening of turning (T) fruit as measured by color development and flesh softening. Treatment with MB caused an initial transient burst of ethylene production, but the subsequent ripening-associated increase in ethylene was delayed. Ethylene treatment partially overcame MB inhibition in MG fruit but had no affect on T fruit. The inhibition of ethylene production by MB appears to be due to lack of formation of 1-aminocycloprone-1-carboxylic acid (ACC) in MG fruit, whereas in T fruit lack of conversion of ACC to ethylene is indicated. A key feature of MB inhibition of ripening in tomato appears to be reduced sensitivity to ethylene.
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Brecht, J.K., Huber, D.J., Sherman, M. et al. Methyl bromide inhibits ripening and ethylene production in tomato (lycopersicon esculentum mill.) fruit. J Plant Growth Regul 5, 29–35 (1986). https://doi.org/10.1007/BF02027384
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DOI: https://doi.org/10.1007/BF02027384