Cherries are a major export crop. To export cherries to Japan New Zealand had to assure Japanese authorities that codling moth, which is prevalent in New Zealand but not present in Japan, would not be introduced with exported fruit. This 1985 film clip shows Department of Scientific and Industrial Research (DSIR) scientists testing fumigation techniques. Subsequently, by developing a routine for orchard checking and fruit inspection for codling moths, New Zealand was able to gain fumigation-free access to Japan.
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