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Authors Naidu, BP
Author Full Name Naidu, BP
Title Production of betaine from Australian Melaleuca spp. for use in agriculture to reduce plant stress
Source AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE
Language English
Document Type Article
Keywords Plus PROLINE ANALOGS; QUATERNARY AMMONIUM; GLYCINEBETAINE; ACCUMULATION; PROTECTION; EXTRACTS; GROWTH; YIELD
Abstract Some of the Melaleuca spp., native to Australia, are unique in their ability to withstand environmental stresses. The stress tolerance of these species is attributable to their ability to accumulate large quantities of organic compounds known as osmoprotectants or proline (betaine) analogues. Osmoprotectants can be extracted easily from these plants and used in seed treatment and foliar application to increase the stress tolerance of economic crops. This paper examines the potential of 8 Melaleuca spp. for the production of osmoprotectants. Melaleuca bracteata, which accumulates the proline analogue trans 4-hydroxy-N-methyl proline (MHP), was the most vigorous of all 8 species field tested in New South Wales and Queensland. A simple extraction protocol for commercial use is suggested. By growing M. bracteata, it is possible to achieve an average yield of 493 kg/ha of MHP along with 218 kg/ha of essential oil, with a gross economic return of AU$14505/ha. This return is better than that estimated for M. alternifolia, $3200/ha, which is currently grown for the production of tea tree oil. The cultivation of M. bracteata has the potential of creating a new industry for Australia, in addition to its positive role in the control of dryland salinity.
Author Address Univ Queensland, Sch Land & Food Sci, St Lucia, Qld 4072, Australia; Dept Nat Resources & Mines, Indooroopilly, Qld 4068, Australia; CSIRO Plant Ind, Indooroopilly, Qld 6068, Australia
Reprint Address Naidu, BP (reprint author), Univ Queensland, Sch Land & Food Sci, St Lucia, Qld 4072, Australia.
Times Cited 13
Total Times Cited Count (WoS, BCI, and CSCD) 13
Publisher C S I R O PUBLISHING
Publisher City COLLINGWOOD
Publisher Address 150 OXFORD ST, PO BOX 1139, COLLINGWOOD, VICTORIA 3066, AUSTRALIA
ISSN 0816-1089
29-Character Source Abbreviation AUST J EXP AGR
ISO Source Abbreviation Aust. J. Exp. Agric.
Year Published 2003
Volume 43
Issue 9
Beginning Page 1163
Ending Page 1170
Digital Object Identifier (DOI) 10.1071/EA02223
Page Count 8
Web of Science Category Agriculture, Multidisciplinary
Subject Category Agriculture
Document Delivery Number 737JR
Unique Article Identifier WOS:000186227100010
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