Administrative Report Or Publication
 

Biology and management of the potato tuberworm in the Pacific Northwest

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  • The potato tuberworm, Phthorimaea operculella, is a pest of many solanaceous crops, including potatoes. Commonly found in tropical and subtropical regions throughout the world, potato tuberworm (PTW) is one of the most important constraints to potato production worldwide. Larvae of this species mine leaves, stems, and petioles and excavate tunnels through potato tubers. Adequate control of PTW is critical because larval infestation of tubers renders potatoes unmarketable. There is zero tolerance for the presence of tuberworm larvae in raw processing product because they are classified as foreign material. Additional losses are likely from infested tubers that rot in storage or from spread that may occur early in the storage season.
  • Published April 2007. Reviewed August 2013. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
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Déclaration de droits
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