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Filtering by: Creator White, Richard Eugene Conference Section/Track Mites and Sap Sucking Insects

Cooley spruce gall adelgid control in Douglas-fir Christmas tree plantations, Oregon, 1986

Creator:

Regan, Richard P. and Fisher, Glenn C.

Resource Type:

Conference Proceeding

Full Text:

the number of alive nymphs on each sample. On July 1, residual adelgid populations producing white