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Publication Type J
Authors Semple, WS; Cole, IA; Koen, TB; Costello, D; Stringer, D
Author Full Name Semple, W. S.; Cole, I. A.; Koen, T. B.; Costello, D.; Stringer, D.
Title Native couch grasses for revegetating severely salinised sites on the inland slopes of NSW. Part 2
Source RANGELAND JOURNAL
Language English
Document Type Article
Author Keywords alkalinity; biomass; forage value; groundcover; weed potential
Keywords Plus SOIL
Abstract Perennial 'couch' grasses that reproduce from rhizomes and or stolons have some advantages on scalded saline sites where they can reproduce in situations that are often hostile to germination and establishment of obligate seeders. Promising couch grass species from an earlier evaluation at Wagga Wagga and Manildra were Cynodon dactylon, Paspalum vaginatum, Sporobolus virginicus and, to a lesser extent, Sporobolus mitchellii. This paper reports results of a subsequent evaluation of these species as well as Eragrostis dielsii and Distichlis distichophylla at 3 other saline sites (Burrumbuttock, Cudal and Cundumbul). All accessions were established vegetatively and assessed for vigour and survival ( all sites), groundcover production and its relationship with EC and pH ( 2 sites), biomass production, forage value and the effect of regular cutting on groundcover ( 1 site). S. virginicus appeared the most tolerant to saline conditions and produced high levels of groundcover and biomass but was sensitive to regular defoliation. At the 2 alkaline sites, C. dactylon and D. distichophylla generally outperformed the other accessions in terms of persistence and groundcover but appeared to be relatively low in forage value, and D. distichophylla appeared to have significant weed potential. Paspalum vaginatum produced high groundcover and relatively high biomass of moderate forage value at Burrumbuttock but performed poorly at the other sites. S. mitchellii and E. dielsii persisted on the more benign sites producing only low amounts of dry matter and groundcover and may be useful for environmental plantings where low weed potential is paramount. Despite spatially intensive testing of the topsoil chemistry, there were no obvious relationships between EC or pH and plant performance at the 2 main trial sites-a possible consequence of vegetative propagation.
Author Address NSW Dept Nat Resources, Orange, NSW 2800, Australia; NSW Dept Nat Resources, Cowra, NSW 2794, Australia; W Hume Landcare Grp, Albury, NSW 2640, Australia; NSW Dept Primary Ind, Albury, NSW 2640, Australia
Reprint Address Semple, WS (reprint author), NSW Dept Nat Resources, POB 53, Orange, NSW 2800, Australia.
E-mail Address bill.semple@dnr.nsw.gov.au
Cited References BROWN AJ, 2005, P 4 NAT NAT GRASS C, P122; BURVILL GH, 1951, J AGR WA, V28, P191; Cunningham GM, 1981, PLANTS W NEW S WALES; EMMEL RH, 1976, ATOMIC ABSORPTION ME, V1; LANG D, 1995, COVER EQUATION MUCH; Loch D S, 2001, P 4 AUSTR WORKSH NAT, P235; Rayment GE, 1992, AUSTR LAB HDB SOIL W; Rose C., 2005, P 4 NAT NAT GRASS C, P62; RUSSELL JS, 1976, AUST J EXP AGR, V16, P103, DOI 10.1071/EA9760103; Semple WS, 2006, AUST J EXP AGR, V46, P1279, DOI 10.1071/EA04129; Semple WS, 2004, RANGELAND J, V26, P88, DOI 10.1071/RJ04006; Semple WS, 2003, AUST J EXP AGR, V43, P357, DOI 10.1071/EA02081; SEMPLE WS, 2005, NATIVE GRASS S AUSTR, V2, P80; SEMPLE WS, 2003, P 3 NAT C MAN NAT GR, P161; SEMPLE WS, 2004, P C SAL SOL WORK SCI; SLAVICH PG, 1993, AUST J SOIL RES, V31, P73, DOI 10.1071/SR9930073; Stubbendieck J, 1994, WEEDS NEBRASKA GREAT; Truong P N, 1992, P NAT WORKSH PROD US, P36; TUCKER BM, 1974, METHODS ANAL IRRIGAT, P118; Wheeler DJB, 2002, GRASSES NEW S WALES; 2005, NATIVE GRASSES SALIN
Cited Reference Count 21
Times Cited 6
Total Times Cited Count (WoS, BCI, and CSCD) 7
Publisher AUSTRALIAN RANGELAND SOC
Publisher City COTTESLOW
Publisher Address 54 BROOME ST, COTTESLOW, 6011, AUSTRALIA
ISSN 1036-9872
29-Character Source Abbreviation RANGELAND J
ISO Source Abbreviation Rangeland J.
Year Published 2006
Volume 28
Issue 2
Beginning Page 163
Ending Page 173
Digital Object Identifier (DOI) 10.1071/RJ06004
Page Count 11
Web of Science Category Ecology
Subject Category Environmental Sciences & Ecology
Document Delivery Number 103JB
Unique Article Identifier WOS:000241880400008
Plants associated with this reference

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