Maturity and temperature influence ethylene-promoted organ abscission in Camellia

A.B. Woolf, Julie Plummer, J. Clemens

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    3 Citations (Scopus)


    The influence of temperature (1-25 degrees C) and maturity on organ abscission promoted by a range of ethylene concentrations (0.3-100 mu l litre(-1)) was examined on stem explants of two Camellia cultivars ('Anticipation' and 'Donation'; C. saluenensis x C. japonica). Time to abscission of 50% of leaf and floral buds was measured. Leaves were most responsive during stem elongation following vegetative budbreak. In contrast, ethylene-responsiveness of floral buds gradually increased with maturity. Low temperatures (1-5 degrees C) reduced the rate of abscission response to ethylene at all concentrations, but with greatest effect at low concentrations (
    Original languageEnglish
    Pages (from-to)33-41
    JournalNew Zealand Journal of Crop and Horticultural Science
    Publication statusPublished - 1999


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