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Filtering by: Creator Packham, David Degree Field Entomology

Oviposition of the codling moth, Laspeyresia pomonella (L.), on several varieties of apples and pears

Creator:

Gut, Larry J.

Abstract:

Ovipositional behavior of the codling moth, Laspeyresia pomonella (L.), on several varieties of apples and pears grown in the Pacific Northwest was investigated during the spring/summer of 1979. Field studies showed that early in the season more eggs were laid on the Bosc variety than on several other apple and...

Resource Type:

Masters Thesis

Full Text:

injured by the codling moth: Ben Davis, 23%; Cortland, 18%; Grimes, 12%; Jonathan, 7%; and King David, 4