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Expired Canadian patentCanada

Forecasting the risk of sclerotinia stem rot in crops

CA 1320116 C · Owner: Turkington, T. Kelly · Inventors: Gugel, Richard K.; Rude, Sheldon V.; Morrall, Robin A. A.

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Abstract From the Canadian patent

Robin A.A. Morrall T. Kelly Turkington, Richard K. Gugel, Sheldon V. Rude ABSTRACT OF THE DISCLOSURE, Sclerotinia stem rot caused by the fungus Sclero-, tinia sclerotiorum (Lib.) de Bary is a major disease of, rapeseed (canola) in western Canada and many other parts of the world. Significant yield losses result from severe crop infestations. A method of stem rot disease forecasting is disclosed. The method is based on the relationship discovered between infestation of top plant parts with spores of the fungus at early bloom and subsequent disease incidence. Also disclosed are media compositions which, facilitate rapid growth of S. sclerotiorum from plant parts under non-sterile conditions …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 26, 1988
GrantedJuly 13, 1993
Term endedJuly 13, 2010
Patent numberCA 1320116 C
Classification (IPC)C12Q1/02 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJan 26, 1988Patent grantedJuly 13, 1993Term endedJuly 13, 2010

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.