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Initial events in the establishment of cereal powdery mildew infection

Author

Listed:
  • T.L.W. Carver

    (Institute of Grassland and Environmental Research, Aberystwyth, SY23 3EB, United Kingdom * Tel. +44 1970 823 123, Fax +44 1970 828 357, E-mail: tim.carver@bbsrc.ac.uk)

  • A.J. Wright

    (Institute of Grassland and Environmental Research, Aberystwyth, SY23 3EB, United Kingdom * Tel. +44 1970 823 123, Fax +44 1970 828 357, E-mail: tim.carver@bbsrc.ac.uk)

  • B.J. Thomas

    (Institute of Grassland and Environmental Research, Aberystwyth, SY23 3EB, United Kingdom * Tel. +44 1970 823 123, Fax +44 1970 828 357, E-mail: tim.carver@bbsrc.ac.uk)

Abstract

Like spores of many fungi, conidia of Blumeria graminis, the powdery mildew fungus of cereals, release extracellular material. It is released within seconds where conidial surface projections touch a leaf. This ECM is probably adhesive since centrifugation showed that forces greater than those due to normal wind speeds are needed to displace conidia. Also, ECM release is probably involved in rapid sensing of substratum contact, leading to germ tube emergence close to the contact site. Thus, ECM release apparently confers at least two benefits to pathogen survival.

Suggested Citation

  • T.L.W. Carver & A.J. Wright & B.J. Thomas, 2002. "Initial events in the establishment of cereal powdery mildew infection," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 38(SI1-6thCo), pages 65-68.
    • Handle: RePEc:caa:jnlpps:v:38:y:2002:i:si1-6thconfefpp:id:10322-pps
    DOI: 10.17221/10322-PPS
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