TITLE

Western gall rust

AUTHOR(S)
Ramsfield, Tod; Kriticos, Darren; Alcaraz, Samantha
PUB. DATE
May 2007
SOURCE
New Zealand Tree Grower;May2007, Vol. 28 Issue 2, p18
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The article reports on a climate matching study conducted by Ensis to explore potential risks posed by Western gall rust, Peridermium harknessii, on New Zealand's radiata pine population. The study explored climatic suitability as a factor in the spread of the destructive stem rust disease that is endemic to North America. Using CLIMEX, a climate based modelling tool, Ensis found out that climate in the central North Island, the Nelson region, Christchurch and Central Otago closely match the pathogen's current range. Nevertheless, the risk of western gall infestation in New Zealand remains low due to existing import bans on live radiata pine seedlings, seasonal differences and DNA-based identification methods for the early detection of pathogens within non-sporulating galls.
ACCESSION #
25400186

 

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