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Journal of Invertebrate Pathology 95 (2007) 146–150

Denny J. Bruck
USDA-ARS
Horticultural Crops Research Laboratory
3420 N.W. Orchard Avenue
Corvallis, OR 97330, USA

Kelly M. Donahue
USDA-ARS
Horticultural Crops Research Laboratory
3420 N.W. Orchard Avenue
Corvallis, OR 97330, USA