Skip to main content
SpringerLink
Log in

Phytophthora nicotianae var. nicotianae causing root and crown rot of direct-seeded tomatoes in victoria

  • Published:
Australasian Plant Pathology Aims and scope Submit manuscript

Abstract

The first record in Victoria of root rot on tomatoes caused by Phytophthora nicotianae var. nicotianae is presented. The fungus was consistently associated with the disease in commercial tomato crops. In glasshouse tests on potted plants in soil artificially infested with zoospores of P. nicotianae var. nicotianae, the severity and incidence of disease was greatest in pots saturated for 2 hours or longer and least when pots were allowed to drain immediately after watering. P. nicotianae var. nicotianae was reisolated from the diseased plants. In another pathogenicity test eight isolates of P. nicotianae var. nicotianae from different locations in northern Victoria caused severe root rot on tomato seedlings. The symptoms of root rot were similar to those seen in the field.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Chee, K.H. and Newhook, F.J. (1965) — Improved methods for use in studies on Phytophthora cinnamomi Rands and other ’Phytophthora species. New Zealand Journal of Agricultural Research 8: 88–95.

    Google Scholar 

  2. loannou, N. and Grogan, R.G. (1984) — Control of Phytophthora root rot of processing tomato with ethazoi and metalaxyi. Plant Disease 68: 429–435.

    Google Scholar 

  3. Menyonga, J.M. and Tsao, P.H. (1966) — Production of zoospore suspensions of Phytophthora parasitica. Phytopathology 56: 510–515.

    Google Scholar 

  4. Satour, M.M. and Butler, E.E. (1967) — Selective isolation of species of Phytophthora from natural soils on an improved antibiotic medium. Nature (London) 223: 636–638.

    Google Scholar 

  5. Weststeijn, G. (1973) — Phytophthora nicotianae var. nicotianae on tomatoes. Netherlands Journal of Plant Pathology 79: Supplement No.1.

Download references

Author information

Authors and Affiliations

  1. Irrigation Research Institute, 3616, Tatura, Victoria

    Sze P. Flett

Authors
  1. Sze P. Flett
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Flett, S.P. Phytophthora nicotianae var. nicotianae causing root and crown rot of direct-seeded tomatoes in victoria. Australasian Plant Pathology 15, 11–13 (1986). https://doi.org/10.1071/APP9860011

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1071/APP9860011

Keywords

Search

Navigation