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Dutch Elm Disease - end of season report 1996-7

Scion is the leading provider of forest-related knowledge in New Zealand
Formerly known as the Forest Research Institute, Scion has been a leader in research relating to forest health for over 50 years. The Rotorua-based Crown Research Institute continues to provide science that will protect all forests from damage caused by insect pests, pathogens and weeds. The information presented below arises from these research activities.

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 new. In the 1996-97 season, infected trees were found in three locations, but importantly, none were new infections. Ninety-five pheromone traps were operated over the season and these caught a total of 2,492 beetles, none of which was contaminated by Ophiostoma novo-ulmi . Five traps were placed in the Hauraki/Waikato region (Matamata was the eastern-most trap) and all caught beetles, none of which carried fungal spores.

(Lindsay Bulman, FRI)

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(Scion is the trading name of the New Zealand Forest Research Institute Limited.)


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