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Germination of β conidia of Phomopsis viticola

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Abstract

Germination of β conidia of Phomopsis viticola was recorded in potato-dextrose liquid medium but not in sterile distilled water. Maximum germination of β conidia in vitro occurred within 144 h reaching a plateau around 60–80 h at 26°C, whereas α conidia germinated within 28 h at 30°C. Preliminary bioassays indicated that the β conidia are potentially capable of symptomless infection of grapevine leaves. However, further studies are required to confirm this.

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Authors and Affiliations

  1. Elizabeth Macarthur Agricultural Institute, 2570, Camden, NSW, Australia

    V. Sergeeva & I. Barchia

  2. Centre for Horticulture and Plant Sciences, University of Western Sydney, Locked Bag 1797, South Penrith Distribution Centre, 1797, NSW, Australia

    N. G. Nair & R. Spooner-Hart

  3. Orange Agricultural Research Institute, 2800, Orange, NSW, Australia

    M. Priest

Authors
  1. V. Sergeeva
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  2. N. G. Nair
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  3. I. Barchia
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  4. M. Priest
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  5. R. Spooner-Hart
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Corresponding author

Correspondence to N. G. Nair.

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Sergeeva, V., Nair, N.G., Barchia, I. et al. Germination of β conidia of Phomopsis viticola . Australasian Plant Pathology 32, 105–107 (2003). https://doi.org/10.1071/AP02072

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  • DOI: https://doi.org/10.1071/AP02072

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