The response to stress treatments of potted grapevines inoculated with <i>Eutypa lata</i> and <i>Botryosphaeria lutea</i> fungi associated with trunk disease


  • D.C. Mundy
  • S.R. Haycock
  • M.A. Manning
  • A.R.G. McLachlan



Current management options for grapevine trunk diseases are focused on ameliorating symptoms once they have occurred In grapevines and other crops plant stress has been observed to increase symptom expression for different pathogens depending on timing and type of stress This research aimed to establish whether stress to vines at the time of wounding enhances colonisation by fungi associated with trunk disease Potted plants were wounded and inoculated with two grapevine trunk fungi Eutypa lata and Botryosphaeria lutea Stress treatments (leaf removal and girdling) were applied to the vines immediately prior to inoculation Lesion size at the wound site and infection confirmed by reisolation of the pathogen were measured In these experiments stress did not induce greater infection incidence or larger lesions at the site of wounding Some difficulties in using potted plants to simulate responses of mature vines in the field are discussed




How to Cite

Mundy, D., Haycock, S., Manning, M. and McLachlan, A. 2012. The response to stress treatments of potted grapevines inoculated with &lt;i&gt;Eutypa lata&lt;/i&gt; and &lt;i&gt;Botryosphaeria lutea&lt;/i&gt; fungi associated with trunk disease. New Zealand Plant Protection. 65, (Jan. 2012), 228–235. DOI:




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