Evaluation of the susceptibility of various grass species to <i>Gaeumannomyces graminis</i> var <i>tritici</i>


  • S.F Chng
  • M.G. Cromey
  • R.C. Butler




Takeall caused by the soilborne pathogen Gaeumannomyces graminis var tritici (Ggt) is a devastating root disease of wheat As well as infected host residues from previous wheat crops grass crop or weed species also play an important role in the carryover of inoculum to the next wheat crop However the survival and spread of inoculum on different grasses differs considerably depending on their susceptibility to the pathogen Using Triticum aestivum (wheat) and Avena sativa (oat) as susceptible and resistant standards the susceptibility to Ggt of 24 grass species commonly found within wheat crops in New Zealand was examined in a simple laboratory assay Of all the grass species evaluated 83 were susceptible to Ggt with Bromus diandrus Bromus willdenowii Bromus inermis and Pennisetum clandestinum being highly susceptible while Cynosurus cristatus Cynodon dactylon and Paspalum dilatatum were highly resistant to the pathogen




How to Cite

Chng, S., Cromey, M. and Butler, R. 2005. Evaluation of the susceptibility of various grass species to &lt;i&gt;Gaeumannomyces graminis&lt;/i&gt; var &lt;i&gt;tritici&lt;/i&gt;. New Zealand Plant Protection. 58, (Aug. 2005), 261–267. DOI:https://doi.org/10.30843/nzpp.2005.58.4291.




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