Farm Forestry New Zealand

PESTS AND DISEASES OF FORESTRY IN NEW ZEALAND

Dutch Elm Disease, Ophiostoma novo-ulmi

• Dutch elm disease caused by Ophiostoma novo-ulmi and vectored by Scolytus multistriatus
  From Scion publication Forest Research Bulletin 220. An Introduction to The Diseases of Forest and Amenity Trees in New Zealand, G.S.Ridley and M.A. Dick 2001. Species: Ophiostoma novo-ulmi (Ascomycete) Common name: Dutch…

• Dutch Elm Disease
  From Forest Health News No. 229, October 2012. Dutch elm disease, caused by Ophiostoma novo-ulmi, was first found in Myers Park, Auckland in December 1989. Scolytus multistriatus, a European bark…
• A new approach to saving elms
  Rebecca Ganley, New Zealand Tree Grower August 2011. Anyone who has a healthy elm tree on their land can count themselves as lucky. Dutch elm disease, caused by the pathogen…
• Science fights Dutch Elm Disease
  From Biosecurity 99, August 2010. Researchers worldwide are looking at innovative methods for alternative and sustainable control of urban tree diseases. In New Zealand, Dutch elm disease is being used…
• Dutch elm disease, 2009 trapping programme
  From Forest Health News 197, August 2009. Dutch elm disease, caused by Ophiostoma novo-ulmi, was first found in Myers Park, Auckland in December 1989. An eradication programme was immediately started,…
• Dutch elm disease, Auckland (Disease Management programme, 2008)
  MAF Biosecurity New Zealand is no longer coordinating or contributing funding to the national Dutch Elm Disease control programme following a decision that national management of the disease is not…
• Scolytus multistriatus on the move
  Scolytus multistriatus workings under elm bark From Forest Health News No. 185, June 2008. The smaller elm bark beetle, Scolytus multistriatus, was first found in New Zealand in Myers Park, Auckland in…
• Dutch Elm Disease, 2008
  From MAFBNZ Forest Biosecurity Consultative Committee, 6 March 2008. Elm infected with Dutch elm disease. Simon Cook (Auckland Council) raised the issue of Dutch Elm Disease (DED) , advising the…
• Dutch elm disease in Auckland, 2004/05
  From Forest Health News 155, September 2005. The Dutch elm disease eradication campaign during the 2004/05 summer consisted of two full disease detection surveys, a series of special surveys in response to the…
• Dutch elm disease 2003/04
  From Forest Health News 138, March 2004. The campaign to eradicate Dutch elm disease continues in Auckland. This summer there were two full disease detection surveys, one abbreviated survey, five special surveys,…
• Dutch elm disease down but not out
  from Biosecurity 49, February 2004. In New Zealand the elm tree is well suited to urban environments and is a valuable part of the urban forest. Most public parks have…
• Dutch elm disease in Auckland 2002-03
  From Forest Health News 129, May 2003. The Dutch elm disease eradication programme is being coordinated and funded by the Ministry of Agriculture and Forestry (MAF), supported by the local city councils.…
• Dutch Elm Disease, 2002 programme
  From Biosecurity Issue 39, November 2002. A recent review of the response to Dutch elm disease (Ophiostoma novo-ulmi) in Auckland showed that with a concerted effort the disease can still…
• Dutch elm disease response continues
  from Biosecurity Issue 30, September 2001. Dutch elm disease was detected at eight separate locations in greater Auckland during the 2000/01 season. Only one infection location was in "new" wood,…
• Dutch elm disease 2000 - 2001
  From Forest Health News 110, August 2001. Last season's eradication campaign in Auckland consisted of three disease detection surveys and a survey to determine the incidence of the causal fungus (Ophiostoma novo-ulmi) in…
• Dutch elm disease under control
  From Biosecurity issue 21, August 2000. After 10 years of continuous response actions it appears that Dutch elm disease is now under control in New Zealand and could soon be…
• Dutch Elm Disease in Auckland, 1999
  From Forest Health News 85, May 1999. Lindsay Bulman and John Bain have finished this season's pheromone trapping programme for Scolytus multistriatus, the vector of Dutch elm disease. The traps…
• Dutch elm disease in Auckland, trapping programme 1998
  From Forest Health News 74, May 1998. We have finished this season's pheromone trapping programme to trap Scolytus multistriatus, the vector of Dutch elm disease. The traps were dismantled during 5-7 May and 4,246…
• Dutch elm disease in Auckland, February 1998
  From Forest Health News No. 71, February 1998. We are about halfway through this season's pheromone trapping programme to trap Scolytus multistriatus, the vector of Dutch elm disease. By the end…
• Dutch elm disease in Napier, 1997
  From Forest Health News No. 68, October 1997. In Napier the Dutch elm disease infected area is confined to Sturms Gully - a mix of both reserve and private properties.…
• Dutch Elm Disease - end of season report 1996-7
  From Forest Health News No. 63, May 1997. Infected trees were found in eight locations in the 1995-96 season. Three of the locations, in Remuera, Devonport, and Mission Bay were…
• Dutch elm disease - sixth season report, April 1995
  From Forest Health News No. 41, April 1995. Supplementary elm tree location surveys carried out in the 1994-95 season were successful in finding trees missed in the original surveys of…
• Dutch elm disease in Napier 1994-1995
  From Forest Health News No. 39, February 1995. As reported last month three parallel transects between DED infected trees discovered in Sturm's Gully in the summer of 1993/94 and the…
• Dutch Elm disease efforts 1994
  From Forest health News 36, October 1994. A further major effort will be made against Dutch elm disease this season in Auckland. Last season the number of detected locations was…
• dutch elm disease 1993-94
  DUTCH ELM DISEASE - ANOTHER SEASON ENDED From Forest Health News No. 30, April 1994 Trees infected by Dutch elm disease were found in 10 locations during the 1993-94 season.…
• Dutch elm disease and biological control
  From Forest Health News No. 22, July 1993. Naturally occuring strains called d2 strains of the dutch elm disease fungus Ophiostoma novo-ulmi carry cytoplasmically located mycoviruses that are transmitted to…
• Dutch elm disease 1992 - 1993
  From Forest Health News No. 20, May 1993. DED - another season ended Trees infected by Dutch elm disease were found in 21 locations. The infected area now includes part…
• Dutch elm disease 1991 - 1992
  From Forest Health News No. 8, April 1992. The monitoring programme for the 1991-92 summer has ended. Fifteen infected trees were found in 11 locations this season. In 4 locations…