ORCID Profile
0000-0002-4431-3389
Current Organisation
Murdoch University
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Agricultural Biotechnology | Diagnostic Applications | Plant Improvement (Selection, Breeding And Genetic Engineering) | Genome Structure
Oilseeds |
Publisher: Springer Science and Business Media LLC
Date: 05-01-2023
Publisher: Springer Science and Business Media LLC
Date: 2006
DOI: 10.1071/AP06030
Publisher: Springer Science and Business Media LLC
Date: 2005
DOI: 10.1071/AP05041
Publisher: CSIRO Publishing
Date: 2004
DOI: 10.1071/AR03226
Abstract: Several species of lupin (Lupinus spp.) are grown in Australia as crop and pasture plants. Lupin breeding, and legume breeding in general, is constrained by the inability to produce doubled haploid (DH) plants, which would accelerate the selection and release of new varieties. This technology is still in the developmental phase for legumes, although other major grain crops such as wheat, barley, and canola successfully use DHs on a commercial scale. A new, reproducible method of microspore culture that leads to cell ision and pro-embryos in lupin is reported here. Microspores at the late uninucleate stage of development are mechanically isolated from lupin buds and embryogenesis induced by a combined heat shock and sucrose starvation stress treatment. Addition of further components to the growth medium promotes ision of up to 50% of microspores to ≥16 cells within 24 h. Further development of these multicellular structures or pro-embryos appears to be limited by the rigid outer exine layer, which needs to rupture for continued cell ision to the globular embryo stage. Further research is required to break this barrier to development of haploid lupin embryos.
Publisher: Springer Science and Business Media LLC
Date: 2007
DOI: 10.1071/AP06079
Publisher: Wiley
Date: 24-10-2020
DOI: 10.1111/PPA.13291
Publisher: Springer Science and Business Media LLC
Date: 2005
DOI: 10.1071/AP05047
Publisher: CSIRO Publishing
Date: 2020
DOI: 10.1071/CP20078
Abstract: Various strategies are used to reduce postharvest cereal grain contaminants such as insect pests and fungal pathogens. Chemical and physical treatments are common management practices but may leave harmful chemical residues on grains or alter their nutrient content (particularly temperature treatments) and have other limitations. This review explores the recent literature regarding cold plasma, with emphasis on its efficacy for decontamination of postharvest cereal grain from biological contaminants. Cold plasma is an ionised gas containing reactive oxygen and nitrogen species, electrons and free radicals that are lethal to microorganisms and has the potential to decontaminate food surfaces and to increase shelf life. Studies conducted on rice, wheat, corn, barley and oats have demonstrated that cold plasma significantly reduced the amount of fungi, bacteria and their spores on grain surfaces. Cold plasma may also detoxify mycotoxins, and control insect pests. Evidence from various global studies demonstrates the potential use of cold plasma to manage postharvest fungi, mycotoxins and insect pests in Australian stored cereal grain.
Publisher: Springer Science and Business Media LLC
Date: 2006
DOI: 10.1071/AP06028
Publisher: Wiley
Date: 04-03-2011
Publisher: International Society for Horticultural Science (ISHS)
Date: 12-2015
Publisher: Springer Science and Business Media LLC
Date: 19-08-2017
Publisher: CSIRO Publishing
Date: 2008
DOI: 10.1071/AR08153
Abstract: Selection of canola (Brassica napus L.) for fatty acid (FA) composition is often based on single seeds or small seed lots, but information is lacking on variation among repeated s les. Variation in FA composition was measured among repeated s les of B. napus seeds by gas chromatography on oil extracted by cold solvents, from a selfed doubled-haploid line (Monty-028DH), and an open-pollinated B. napus cv. Surpass 501TT. The variation in FA composition among repeated s les of 1, 3, 5, and 10 whole seeds was compared with the equivalent weight of ground seeds or Soxhlet-extracted oil. The standard deviation of oleic acid for whole seeds of Monty-028DH decreased from 2.12% (single-seed s les) to 0.12% (groups of 10 seeds), but was constant across an equivalent range in weight of ground seed (0.15%) and in volume of Soxhlet-extracted oil (0.05%). A single-seed s le is not sufficient to separate two B. napus genotypes differing in mean oleic acid content of 60% and 70% at the 95% confidence interval, based on the s ling variance measured in these experiments. Similar trends were found for all the major FAs in both varieties.
Publisher: Wiley
Date: 16-05-2018
DOI: 10.1111/PPA.12874
Publisher: Informa UK Limited
Date: 05-2006
Publisher: Wiley
Date: 11-04-2014
DOI: 10.1111/PPA.12223
Publisher: Wiley
Date: 21-12-2015
DOI: 10.1111/ELE.12397
Abstract: More people and goods are moving further and more frequently via many different trade and transport networks under current trends of globalisation. These networks can play a major role in the unintended introduction of exotic species to new locations. With the continuing rise in global trade, more research attention is being focused on the role of networks in the spread of invasive species. This represents an emerging field of research in invasion science and the substantial knowledge being generated within other disciplines can provide ecologists with new tools with which to study invasions. For the first time, we synthesise studies from several perspectives, approaches and disciplines to derive the fundamental characteristics of network topology determining the likelihood of spread of organisms via trade and transport networks. These characteristics can be used to identify critical points of vulnerability within these networks and enable the development of more effective strategies to prevent invasions.
Publisher: Wiley
Date: 02-07-2019
DOI: 10.1111/PPA.13059
Publisher: Wiley
Date: 03-07-2021
DOI: 10.1111/PPA.13422
Abstract: Previous studies demonstrated that a reduction in germination of Colletotrichum alienum conidia could be achieved following treatment with cold plasma (CP) or incubation with plasma‐activated water (PAW). In this study, the mode of action of CP and PAW on C . alienum conidia was explored using transmission electron microscopy. Following treatment of the conidia, noticeable ultrastructural changes were observed, including cell wall maceration, disorganization of the cytoplasm and vacuole, and changes to the nuclei and mitochondria. Disorganization of the cytoplasm was exhibited by 85% of conidia after CP or PAW treatment. Also, 85% of conidia were observed with disorganized vacuoles after 6 min of CP treatment and 65% after 3 hr incubation in PAW. Further, 45% or more conidia had modified cell walls after PAW incubation or CP treatment. Deformation of conidia was observed in 23% of conidia after PAW incubation. These ultrastructural changes are a likely reason for the reduced germination of C . alienum conidia following CP or PAW treatment.
Publisher: Wiley
Date: 18-12-2018
DOI: 10.1111/PPA.12794
Publisher: Springer Science and Business Media LLC
Date: 2005
DOI: 10.1071/AP04089
Publisher: Wiley
Date: 08-2009
Publisher: Wiley
Date: 29-01-2018
DOI: 10.1111/PPA.12825
Publisher: Wiley
Date: 05-04-2017
DOI: 10.1111/PPA.12704
Start Date: 12-2002
End Date: 12-2005
Amount: $254,567.00
Funder: Australian Research Council
View Funded Activity