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Showing 1 to 1 of 1 for “"leaf roller"”.
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The influence of an umbelliferous understory on the parasites of organic apple orchards in Canterbury
… Numbers of parasites in general, and of leafroller parasites, were greatest in orchards with a wild parsnip understorey, indicating a beneficial effect of parsnip presence on parasite numbers. The organic orchards were found to be a highly complex system with many interrelated temporal …