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Production of volatiles in brown boronia flowers after harvest. II: Effect of oxygen consumption

journal contribution
posted on 2023-05-16, 11:32 authored by Hazel MacTavish-West, Robert MenaryRobert Menary
Oxygen consumption in boronia flowers after harvest was correlated with production of volatiles. In some cases, exogenously applied respiratory inhibitors (NAN 3 , 2 mM and KCN, 100 μM and 3 mM) were not present in sufficient quantities to inhibit respiration, and yet production of volatiles was inhibited: indicating the action of cytoplasmic enzymes in the conversion of precursors into volatiles after harvest. Post-harvest respiration, whether via normal or alternative pathways, is a requirement for production of volatiles. Production of volatiles concurrent with activation of the alternative pathway may suggest that ATP may not be required. Large buds and open flowers consume three times as much oxygen as smaller buds after harvest: one reason for the reduced amounts of volatiles produced after harvest in small and medium sized buds, and in early stages of flowering.

History

Publication title

Journal of Horticultural Science & Biotechnology

Volume

74

Issue

4

Pagination

440-442

ISSN

0022-1589

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Headley Brothers Ltd

Place of publication

Kent, UK

Repository Status

  • Restricted

Socio-economic Objectives

Horticultural crops not elsewhere classified

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    University Of Tasmania

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