Phenotypic variation for productivity and drought tolerance is widespread in germplasm collections of Australian Cullen species

Bennett, Richard G.; Colmer, Timothy D.; Real, Daniel; Renton, Michael; Ryan, Megan H.

doi:10.1071/cp11338

Cited by 7 publications

(8 citation statements)

References 36 publications

(4 reference statements)

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“…J.W. Grimes is of interest and its advantage over M. sativa is its greater drought tolerance Real et al 2011;Bennett et al 2012;Humphries et al 2014). This species occurs naturally over widespread areas of south-western New South Wales, South Australia and the southern part of the Northern Territory (Humphries et al 2014).…”

Section: Forage Legumesmentioning

confidence: 99%

Use of functional traits to identify Australian forage grasses, legumes and shrubs for domestication and use in pastoral areas under a changing climate

Mitchell¹,

Norman

Whalley

2015

Crop Pasture Sci.

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Abstract. Considerable uncertainty exists about future climatic predictions but there is little doubt among experts that the future will be warmer. Climate change and the associated elevation in atmospheric CO 2 level and temperatures will provide novel challenges and potential opportunities for cultivated plant species. Plant breeding and domestication can contribute to improvements in both yield and quality of native grasses, legumes and forage shrubs. This review explores the use of functional traits to identify native Australian grasses, legumes and forage shrubs suitable for domestication, to meet the challenges and opportunities under a changing climate in pastoral areas in Australia. The potential of these species in terms of life history, regenerative traits, forage quality and quantity, drought tolerance and invasiveness is examined. The paper focuses on three Australian pastoral regions (high-rainfall temperate south, tropical and subtropical grasslands, low-rainfall semi-arid shrublands), in terms of future climate predictions and potential of selected native species to meet these requirements. Selection for adaptation to new climatic environments is challenging but many native species already possess the traits required to cope with the environment under future climate scenarios.

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Section: Forage Legumesmentioning

confidence: 99%

Use of functional traits to identify Australian forage grasses, legumes and shrubs for domestication and use in pastoral areas under a changing climate

Mitchell¹,

Norman

Whalley

2015

Crop Pasture Sci.

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“…Accession SA4966 had the highest edible spring biomass in this study, and was previously ranked in the top three ecotypes of Cullen spp. for high spring leaf (Bennett et al 2012) and total forage (Hayes et al (2009) production in experiments evaluating diverse collections of Cullen spp. in low-mediumrainfall environments.…”

Section: Selecting/breeding Cullen Australasicum With High Seed Yieldmentioning

confidence: 99%

“…The germplasm represents collections of C. australasicum, and ecotypes of closely related species that required their taxonomy to be confirmed in this study, collected at latitudes 23.7-35.38S, from a diverse range of soils and climates (Supplementary file). Accession SA4966 was used as a standard entry due to its previous evaluation in a range of studies (Dear et al 2007;Li et al 2008;Hayes et al 2009;Bennett et al 2012), including the research by Kobelt et al (2011) to develop harvest technologies for C. australasicum.…”

Section: Climatementioning

confidence: 99%

“…In terms of potential for commercial development, C. australasicum has many agronomic qualities of a valuable forage plant. Its green leaf tissue has a similar digestibility (Dear et al 2007;Bennett et al 2012) and crude protein concentration (Bennett et al 2012) to lucerne; it has the ability to preserve green leafy tissue during the onset of drought (Kerridge and Skerman 1968;Boschma et al 2011); and field observations suggest that it is tolerant to damage from most insect pests (Dear et al 2007;Hayes et al 2009;Bennett et al 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Cullen spp., typically semi-herbaceous perennial legumes, are one example of a genus native to Australia that is currently under consideration for use in extensive grazing systems (Cocks 2001;Dear et al 2007;Hayes et al 2009;Suriyagoda et al 2013). Members of the Cullen genus Hayes et al 2009;Boschma et al 2011) and Western Australia (Bennett et al 2012), leading researchers to conclude that C. australasicum is a plant of considerable promise. In terms of potential for commercial development, C. australasicum has many agronomic qualities of a valuable forage plant.…”

Section: Introductionmentioning

confidence: 99%

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High levels of diversity for seed and forage production exist in Cullen australasicum, a potential new perennial forage legume for dry environments in southern Australia

et al. 2014

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Abstract. The seed and forage production of a diverse group of the perennial forage legume Cullen spp., collected in southern Australia, was assessed with the aim of discovering diversity for exploitation in future breeding programs. Eighty ecotypes were assessed at the Waite Institute in South Australia, using replicated, spaced-plant field trials, between 2008 and 2012. Seed production in collected ecotypes of Cullen (Expt 1) ranged from 0 to 485 kg ha -1 for windrowed seed yield and from 0 to 790 kg ha -1 for total seed yield, which included vacuum-harvested seed from pods that had fallen to the ground. Individual plants were selected for seed production from their original populations, and the seed and fodder production of their progeny was evaluated in a further field experiment (Expt 2). Moderate to high heritability estimates were recorded for seed production traits. Seed production in progeny families ranged from 0 to1 423 kg ha -1 and was highly correlated with the number of seeds per inflorescence (r = 0.85) and forage yield (r = 0.59). Edible biomass, measured using the Adelaide visual appraisal method, ranged from 50 to 906 g dry weight (DW) plant -1 in parent ecotypes and from 404 to 1248 g DW plant -1 in the selected family progenies. Disease infection with anthracnose (Colletotrichum trifolii) caused considerable damage to plants in Expt 1, resulting in the death of all plants of 10 ecotypes, and infection with Alfalfa mosaic virus in Expt 2 was linked to the death of 67 individuals. The results are discussed in relation to breeding C. australasicum for increased seed yield and disease resistance to overcome these deficiencies as barriers to commercial adoption.

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Prioritisation of native legume species for further evaluation as potential forage crops in water-limited agricultural systems in South Africa

Müller

Raitt

Chimphango

et al. 2017

Environ Monit Assess

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In the face of climate change, identification of forage species suitable for dryland farming under low rainfall conditions in South Africa is needed. Currently, there are only a limited number of forage species suitable for dryland farming under such conditions. The objective of this study was to identify and prioritise native legume species that could potentially be used in dryland farming systems in water-limited agro-ecosystems in South Africa. Using a combination of ecological niche modelling techniques, plant functional traits, and indigenous knowledge, 18 perennial herbaceous or stem-woody legume species were prioritised for further evaluation as potential fodder species within water-limited agricultural areas. These species will be evaluated further for their forage quality and their ability to survive and produce enough biomass under water limitation and poor edaphic conditions.

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Phenotypic variation for productivity and drought tolerance is widespread in germplasm collections of Australian Cullen species

Abstract: ------------------------------------------------------------------- To cite th is article / Pou r citer cet articleMots-clés. Bituminaria -Cullen -Angélicine -Psoralène -Pâturage.

Cited by 7 publications

References 36 publications

Use of functional traits to identify Australian forage grasses, legumes and shrubs for domestication and use in pastoral areas under a changing climate

Use of functional traits to identify Australian forage grasses, legumes and shrubs for domestication and use in pastoral areas under a changing climate

High levels of diversity for seed and forage production exist in Cullen australasicum, a potential new perennial forage legume for dry environments in southern Australia

Prioritisation of native legume species for further evaluation as potential forage crops in water-limited agricultural systems in South Africa

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