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RESEARCH ARTICLE

Involvement of ethylene in postharvest senescence of Boronia heterophylla flowers

A. J. Macnish, P. J. Hofman, D. C. Joyce and D. H. Simons

Australian Journal of Experimental Agriculture 39(7) 911 - 913
Published: 1999

Abstract

Summary. Treatment of cut flowering Boronia heterophylla (red boronia) stems with 10 L ethylene/L for 72 h at 20°C induced flower senescence and abscission, and thereby reduced stem fresh weight and vase life. Pre-treatment with 1-methylcyclopropene (1-MCP) reduced these ethylene effects. Treatment of B. heterophylla with 10 L ethylene/L for a shorter 12 h period at 20°C did not affect vase life. Rates of endogenous ethylene production by B. heterophylla flowers increased in association with wilting during flower senescence.

https://doi.org/10.1071/EA99046

© CSIRO 1999

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