Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Psylla -- Oregon Subject Miridae -- Effect of insecticides on

Factors influencing pesticide resistance in Psylla pyricola Foerster and susceptibilty in its mirid predator, Deraeocoris brevis Knight

Creator:

Baan, Hugo E., van de

Abstract:

Factors influencing pesticide susceptibility and resistance were studied in Psylla pyricola Foerster, and its mirid predator, Deraeocoris brevis Knight in the Rogue River Valley, Oregon. Factors studied were at the biochemical, life history, and population ecology levels. Studies on detoxification enzymes showed that glutathione S-transferase and cytochrome P-450 monooxygenase activities...

Resource Type:

Dissertation

Full Text:

-form. In Oregon, summer- form psylla has three generations per year and the winter-form psylla has