X-Ray mapping reveals mechanisms of salt tolerance in seeds of coastal plants Ficinia nodosa and Spyridium globulosum

L. Guja, R. Wuhrer, K. Moran, M. Phillips, K. Dixon, G. Wardell-Johnson, D. Merritt

    Research output: Chapter in Book / Conference PaperConference Paperpeer-review

    Abstract

    The mechanisms by which mature salt-tolerant plants survive in saline environments are relatively well understood. However, little is known about how seeds survive and germinate in high-salt habitats. To explore seed salt-tolerance, seeds of Ficinia nodosa (salt-tolerant) and Spyridium globulosum (salt-sensitive) were exposed to sodium chloride solutions and the amount of sodium imbibed was determined using flame photometry. The distribution of sodium and chlorine within seed tissues was investigated using X-ray mapping. Salt tolerant seeds of F. nodosa excluded sodium, whereas salt-sensitive seeds of S. globulosum accumulated sodium and chlorine in seed embryos. Exclusion of sodium may be necessary for germination and survival in saline environments.
    Original languageEnglish
    Title of host publicationConference proceedings : APMC10, 10th Asia-Pacific Microscopy Conference, ICONN2012, 2012 International Conference on Nanoscience and Nanotechnology, ACMM22, 22nd Australian Conference on Microscopy and Microanalysis : Perth Convention and Exhibition Centre, 5-9 February 2012
    PublisherAustralian Nanotechnology Network
    Number of pages2
    ISBN (Print)9781740522458
    Publication statusPublished - 2012
    EventAsia-Pacific Microscopy Conference -
    Duration: 5 Feb 2012 → …

    Conference

    ConferenceAsia-Pacific Microscopy Conference
    Period5/02/12 → …

    Keywords

    • coastal plants
    • seeds
    • germination

    Fingerprint

    Dive into the research topics of 'X-Ray mapping reveals mechanisms of salt tolerance in seeds of coastal plants Ficinia nodosa and Spyridium globulosum'. Together they form a unique fingerprint.

    Cite this