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- Riedl, H., et al. Show all 2 Author
- Journal of economic entomology 1996 v.89 no.3 pp. 621-630
- Cacopsylla pyricola; Cydia pomonella; mites; diflubenzuron; integrated pest management; natural enemies; population density; insecticides; oils; crop quality; Pyrus communis; orchards; Oregon
- ... In the Hood River Valley of Oregon, a pear pest management program based on the insect growth regulator, diflubenzuron, was compared with conventional programs based on broad-spectrum pesticides during 1987-1989. Diflubenzuron-based programs allowed for the immigration and development of natural enemies of the pear psylla, Cacopsylla pyricola Forster. In 13 of 14 comparisons, natural enemies were ...