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Netherlands Journal of Plant Pathology

, Volume 75, Issue 1–2, pp 147–150 | Cite as

Resistance of rose rootstocks to crown gall (Agrobacterium tumefaciens)

  • B. H. Boelema
Article

Abstract

Various types of rose rootstocks were tested for their resistance to crown gall. The rootstock ‘Iowa State University (ISU) 60–5′ was the most resistant, followed by ‘Brooks 48’, ‘Clarke 1957’ and ‘Welch’. Rosa multiflora, R. noisettiana (‘Manetti’) and ‘Basye No. 3’ were very susceptible. The inoculations were made with four isolates ofAgrobacterium tumefaciens (Smith et Townsend) Conn, respectively from aDahlia sp.,Rosa spp. andPrunus persica. It was found that the isolate fromDahlia was a different race to the isolates fromRosa andPrunus spp.

Samenvatting

Bij onderstammen van rozen, kunstmatig geïnoculeerd metAgrobacterium tumefaciens (Smith et Townsend) Conn., werden verschillen in resistentie tegen wortelknobbel gevonden. Het meest resistent was ‘Iowa State University (ISU) 60–5’, gevolgd door ‘Brooks 48’, ‘Clarke 1957’ en ‘Welch’, Zeer vatbaar warenRosa multiflora, R. noisettiana (‘Manetti’) en ‘Basye No. 3’. De vier isolaten vanA. tumefaciens, gebruikt voor de inoculaties, waren respectievelijk afkomstig van eenDahlia sp.,Rosa spp. enPrunus persica. Het isolaat vanDahlia en de isolaten vanRosa enPrunus spp. behoorden tot twee verschillende fysiologische rassen. De vorming van tumoren was in sommige gevallen afhankelijk van de methode van inoculatie; inoculaties bij de stambasis waren meer succesvol dan in het midden van de stam.

Keywords

Gall Plant Pathology Agrobacterium Agrobacterium Tumefaciens Stam 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Dowson, W. J., 1957. Plant diseases due to bacteria. University Press, Cambridge.Google Scholar
  2. Massey, L. M., 1950. Crown Gall. Am. Rose A. 35: 145–153.Google Scholar
  3. Munnecke, D. E., Chandler, P. A. and Starr, M. P., 1963. Hairy root (Agrobacterium rhizogenes) of field roses. Phytopathology 53: 788–799.Google Scholar
  4. Wormald, H., 1945. Physiologic races of the crown gall organism in Britain. Trans. Br. mycol. Soc. 28: 134–146.Google Scholar

Copyright information

© Koninklijke Nederlandse Planteziektenkundige Vereniging 1969

Authors and Affiliations

  • B. H. Boelema
    • 1
  1. 1.Horticultural Research InstitutePretoriaSouth Africa

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