Preliminary assessment of bladder clover (Trifolium spumosum L.) as an annual legume for ley farming systems in southern Australia
Angelo Loi A B , Brad J. Nutt A B , John G. Howieson B , Ron. J. Yates A B and Hayley C. Norman C D
+ Author Affiliations
- Author Affiliations
A Department of Agriculture and Food Western Australia, 3 Baron Hay Court, South Perth, WA 6151, Australia.
B Centre for Rhizobium Studies, Division of Science, Murdoch University, South Street, Murdoch, WA 6150, Australia.
C CSIRO Livestock Industries, Centre for Environment and Life Sciences, Private Bag 5, Wembley, WA 6913, Australia.
D Corresponding author. Email: Hayley.Norman@csiro.au
Crop and Pasture Science 63(6) 582-591 https://doi.org/10.1071/CP11337
Submitted: 16 December 2011 Accepted: 23 July 2012 Published: 18 September 2012
Abstract
Trifolium spumosum L. (bladder clover) is an aerial seeding annual legume that is adapted to fine-textured soils throughout the Mediterranean Basin. This article is the first of two papers that describe the process of domestication of T. spumosum as a new species to commercial agriculture. This paper describes a broad range of investigations into the ecology, agronomy and rhizobiology of this new species. Through a series of five experiments, we have tested the general hypothesis that T. spumosum accessions demonstrate a range of sought-after agronomic traits and offer an alternative to annual Medicago spp. for ley farming systems in the medium to low rainfall areas of the mixed crop/livestock zone of southern Australia.
T. spumosum presents seeds at the top of the canopy in heads that do not readily shatter, so seed can be harvested using conventional cereal harvesters instead of the specialist suction equipment required for harvest of seed from annual T. subterraneum and Medicago spp. T. spumosum was found to be relatively fecund and had high levels of biomass production in comparison to the other annual legumes that were tested. The species also demonstrated high levels of within-season hardseededness (remaining hard in summer and softening in autumn) so seedbanks would be protected from summer rainfall events. In addition, T. spumosum showed high levels of between-season dormancy, which allows the species to carry a seedbank through a cropping phase or series of poor seasons. A herbicide experiment showed that clover species varied in tolerances, with T. spumosum the least sensitive of all of the legumes tested to Flumetsulam. A cross-inoculation experiment to measure symbiotic effectiveness revealed that WSM1325 (current clover strain) surpasses WSM409 (previous strain) in its relationship with the annual clovers of contemporary interest, while being highly effective at nitrogen fixation with T. spumosum.
The results of this study and an associated investigation into feeding value indicate that T. spumosum offers a productive alternative to annual Medicago spp. on fine-textured soils. Of the T. spumosum accessions tested, the most promising has been released under the cultivar name of AGWEST Bartolo.
Additional keywords: forage, pasture improvement, plant selection, rotation.
References
Anderson A, Baldock JA, Rogers SL, Belotti W, Gill G (2004) Influence of chlorsulfuron on rhizobial growth, nodule formation, and nitrogen fixation with chickpea. Australian Journal of Agricultural Research 55, 1059–1070.| Influence of chlorsulfuron on rhizobial growth, nodule formation, and nitrogen fixation with chickpea.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD2cXovFOhu78%3D&md5=e7d3a01c7c99c86e1b5094c37ad04821CAS |
Bathgate A, Revell C, Kingwell R (2009) Identifying the value of pasture improvement using wholefarm modelling. Agricultural Systems 102, 48–57.
| Identifying the value of pasture improvement using wholefarm modelling.Crossref | GoogleScholarGoogle Scholar |
Bullard GK, Roughley RJ, Pulsford DJ (2005) The legume inoculant industry and inoculant quality control in Australia: 1953–2003. Australian Journal of Experimental Agriculture 45, 127–140.
| The legume inoculant industry and inoculant quality control in Australia: 1953–2003.Crossref | GoogleScholarGoogle Scholar |
Clarkson NM, Russell JS (1976) Effect of water stress on phasic development of annual Medicago species. Australian Journal of Agricultural Research 27, 227–234.
| Effect of water stress on phasic development of annual Medicago species.Crossref | GoogleScholarGoogle Scholar |
Cocks PS (1992) Plant attributes leading to persistence in grazed annual medics (Medicago spp.) growing in rotation with wheat. Australian Journal of Agricultural Research 43, 1559–1570.
| Plant attributes leading to persistence in grazed annual medics (Medicago spp.) growing in rotation with wheat.Crossref | GoogleScholarGoogle Scholar |
Cocks PS (1994) Colonization of a South Australian grassland by invading Mediterranean annual and perennial pasture species. Australian Journal of Agricultural Research 45, 1063–1076.
| Colonization of a South Australian grassland by invading Mediterranean annual and perennial pasture species.Crossref | GoogleScholarGoogle Scholar |
Cocks PS, Phillips JR (1979) Evolution of subterranean clover in South Australia. I. The strains and their distribution. Australian Journal of Agricultural Research 30, 1035–1052.
| Evolution of subterranean clover in South Australia. I. The strains and their distribution.Crossref | GoogleScholarGoogle Scholar |
Dunbabin MT, Cocks PS (1999) Ecotypic variation for seed dormancy contributes to the success of capeweed (Arctotheca calendula) in Western Australia. Australian Journal of Agricultural Research 50, 1451–1458.
| Ecotypic variation for seed dormancy contributes to the success of capeweed (Arctotheca calendula) in Western Australia.Crossref | GoogleScholarGoogle Scholar |
Ewing MA, Revell CK, Thorn CW (1989) Medicago polymorpha L. var. brevispina (Benth.) Heyn (burr medic) cv. Santiago. Australian Journal of Experimental Agriculture 29, 297–298.
| Medicago polymorpha L. var. brevispina (Benth.) Heyn (burr medic) cv. Santiago.Crossref | GoogleScholarGoogle Scholar |
Howieson JG (1995) Rhizobial persistence and its role in the development of sustainable agricultural systems in Mediterranean environments. Soil Biology & Biochemistry 27, 603–610.
| Rhizobial persistence and its role in the development of sustainable agricultural systems in Mediterranean environments.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DyaK2MXlt12rtrY%3D&md5=d74f8f2a929874670285dd70eb2d5c5cCAS |
Howieson J, Ballard R (2004) Optimising the legume symbiosis in stressful and competitive environments within southern Australia – some contemporary thoughts. Soil Biology & Biochemistry 36, 1261–1273.
| Optimising the legume symbiosis in stressful and competitive environments within southern Australia – some contemporary thoughts.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD2cXls1Wmtr8%3D&md5=db4494201ddac0f88d0044de14c64994CAS |
Howieson JG, Loi A, Carr SJ (1995) Biserrula pelecinus L. – a legume pasture species with potential for acid, duplex soils which is nodulated by unique root-nodule bacteria. Australian Journal of Agricultural Research 46, 997–1009.
| Biserrula pelecinus L. – a legume pasture species with potential for acid, duplex soils which is nodulated by unique root-nodule bacteria.Crossref | GoogleScholarGoogle Scholar |
Howieson JG, O’Hara GW, Carr SJ (2000a) Changing roles for legumes in Mediterranean agriculture: developments from an Australian perspective. Field Crops Research 65, 107–122.
| Changing roles for legumes in Mediterranean agriculture: developments from an Australian perspective.Crossref | GoogleScholarGoogle Scholar |
Howieson JG, Malden J, Yates RJ, O’Hara GW (2000b) Techniques for the selection and development of elite inoculant rhizobial strains in southern Australia. Symbiosis 28, 33–48.
Howieson JG, Yates RJ, O’Hara GW, Ryder M, Real D (2005) The interactions of Rhizobium leguminosarum biovar trifolii in nodulation of annual and perennial Trifolium spp. from diverse centres of origin. Australian Journal of Experimental Agriculture 45, 199–208.
| The interactions of Rhizobium leguminosarum biovar trifolii in nodulation of annual and perennial Trifolium spp. from diverse centres of origin.Crossref | GoogleScholarGoogle Scholar |
Loi A, Nutt BJ (2009) AGWEST Bartolo bladder clover: a low cost annual legume for Mediterranean mixed farming systems. Department of Agriculture and Food Western Australia. Farmnote 362. Available at: www.agric.wa.gov.au
Loi A, Cocks PS, Howieson JG, Carr SJ (1999) Hardseededness and the pattern of softening in Biserrula pelecinus L., Ornithopus compressus L. and Trifolium subterraneum L. Australian Journal of Agricultural Research 50, 1073–1081.
| Hardseededness and the pattern of softening in Biserrula pelecinus L., Ornithopus compressus L. and Trifolium subterraneum L.Crossref | GoogleScholarGoogle Scholar |
Loi A, Howieson JG, Carr SJ (2001) Biserrula pelecinus cv. Casbah. Australian Journal of Experimental Agriculture 41, 841–842.
| Biserrula pelecinus cv. Casbah.Crossref | GoogleScholarGoogle Scholar |
Loi A, Nutt B, McRobb R, Carr SJ (2003) Trifolium spumosum. An exciting prospective legume for fine textured soils in Mediterranean farming systems. In ‘Proceedings of the 11th Australian Agronomy Conference’. (Eds M Unkovich, G O’Leary) (The Australian Society of Agronomy Inc.: Geelong) Available at: www.regional.org.au/au/asa/2003/c/14/loi.htm
Loi A, Howieson JG, Nutt BJ, Carr SJ (2005) A second generation of annual pasture legumes and their potential for inclusion in Mediterranean-type farming systems. Australian Journal of Experimental Agriculture 45, 289–299.
| A second generation of annual pasture legumes and their potential for inclusion in Mediterranean-type farming systems.Crossref | GoogleScholarGoogle Scholar |
Loi A, Nutt BJ, Revell CK, Snowball R (2007) AGWEST Sothis: Trifolium dasyurum (Eastern star clover). Australian Journal Experimental Research 47, 1512–1515.
| AGWEST Sothis: Trifolium dasyurum (Eastern star clover).Crossref | GoogleScholarGoogle Scholar |
Martensson AM, Nilsson AK (1989) Effects of chlorsulfuron on Rhizobium grown in pure culture and in symbiosis with alfalfa (Medicago sativa) and red clover (Trifolium pratense). Weed Science 37, 445–450.
Nichols P, Loi A, Revell CK, Ewing M, Nutt B, Snowball R, Pei You M, Howieson JG, Carr S, Foster K, Skinner P, McClements D, Barbetti M, Craig A, Howie J, Nair R, Hughes S, Auricht G, De Koning C, Dear B, Sandral G, Hackney B, Croker G, Evans P, Lloyd D, Hall E (2007) Annual pasture legume improvement in southern Australia – 15 years of change. Field Crops Research 104, 10–23.
| Annual pasture legume improvement in southern Australia – 15 years of change.Crossref | GoogleScholarGoogle Scholar |
Norman HC, Cocks PS, Smith FP, Nutt BJ (1998) Reproductive strategies in Mediterranean annual clovers: germination and hardseededness. Australian Journal of Agricultural Research 49, 973–982.
| Reproductive strategies in Mediterranean annual clovers: germination and hardseededness.Crossref | GoogleScholarGoogle Scholar |
Norman HC, Cocks PS, Galwey NW (2002) Hardseededness in annual clovers: variation between populations from wet and dry environments. Australian Journal of Agricultural Research 53, 821–829.
| Hardseededness in annual clovers: variation between populations from wet and dry environments.Crossref | GoogleScholarGoogle Scholar |
Norman HC, Cocks PS, Galwey NW (2005) Annual clovers (Trifolium spp.) have different reproductive strategies to achieve persistence in Mediterranean-type climates. Australian Journal of Agricultural Research 56, 33–43.
| Annual clovers (Trifolium spp.) have different reproductive strategies to achieve persistence in Mediterranean-type climates.Crossref | GoogleScholarGoogle Scholar |
Norman HC, Loi A, Wilmot MG, Nutt BJ, Rintoul AJ, Revell CK (2012) Productivity, health and meat quality of sheep grazing bladder clover (Trifolium spumosum L. cv. Bartolo), a new pasture species, compared to subterranean clover (Trifolium subterraneum L. cv. Dalkeith). Animal Production Science in press.
Nutt BJ (1997) Cv. Cadiz (Ornithopus sativus L.). Plant Varieties Journal 10, 34–35.
Nutt BJ, Loi A (2002) Prima gland clover. Department of Agriculture and Food Western Australia. Farmnote 4. Available at: www.agric.wa.gov.au
Puckridge DW, French RJ (1983) The annual legume pasture in cereal-ley farming system of southern Australia: a review. Agriculture, Ecosystems & Environment 9, 229–267.
| The annual legume pasture in cereal-ley farming system of southern Australia: a review.Crossref | GoogleScholarGoogle Scholar |
Revell CK, Taylor GB, Cocks PS (1999) Effect of length of growing season on development of hard seeds in yellow serradella and their subsequent softening at various depths of burial. Australian Journal of Agricultural Research 50, 1211–1223.
| Effect of length of growing season on development of hard seeds in yellow serradella and their subsequent softening at various depths of burial.Crossref | GoogleScholarGoogle Scholar |
Robertson MJ, Lawes RA, Bathgate A, Byrne F, White P, Sands R (2010) Determinants of the proportion of break crops on Western Australian broadacre farms. Crop & Pasture Science 61, 203–213.
| Determinants of the proportion of break crops on Western Australian broadacre farms.Crossref | GoogleScholarGoogle Scholar |
Russi L, Cocks PS, Roberts EH (1992) The fate of legume seeds eaten by sheep from a Mediterranean grassland. Journal of Applied Ecology 29, 772–778.
| The fate of legume seeds eaten by sheep from a Mediterranean grassland.Crossref | GoogleScholarGoogle Scholar |
Siddique KHM, Loss SP, Regan KL, Jettner RL (1999) Adaptation and seed yield of cool season grain legumes in Mediterranean environments of south-western Australia. Australian Journal of Agricultural Research 50, 375–387.
| Adaptation and seed yield of cool season grain legumes in Mediterranean environments of south-western Australia.Crossref | GoogleScholarGoogle Scholar |
Taylor GB (1981) Effect of constant temperature treatments followed by fluctuating temperatures on the softening of hard seeds of Trifolium subterraneum L. Australian Journal of Plant Physiology 8, 547–558.
| Effect of constant temperature treatments followed by fluctuating temperatures on the softening of hard seeds of Trifolium subterraneum L.Crossref | GoogleScholarGoogle Scholar |
Taylor GB, Ewing MA (1992) Long-term patterns of seed softening in some annual pasture legumes in a low rainfall environment. Australian Journal of Experimental Agriculture 32, 331–337.
| Long-term patterns of seed softening in some annual pasture legumes in a low rainfall environment.Crossref | GoogleScholarGoogle Scholar |
Yates R, Howieson JG, Real D, Reeve WG, Vivas-Marfisi A, O’Hara GW (2005) Evidence of selection for effective nodulation in the Trifolium spp. symbiosis with Rhizobium leguminosarum biovar trifolii. Australian Journal of Experimental Agriculture 45, 189–198.
| Evidence of selection for effective nodulation in the Trifolium spp. symbiosis with Rhizobium leguminosarum biovar trifolii.Crossref | GoogleScholarGoogle Scholar |
Zohary M, Heller D (1984) ‘The genus Trifolium.’ Israel Academy of Science and Humanities. (Ahva Printing Press: Jerusalem)
