Twelve yellow and 12 bronze chrysanthemum, Chrysanthemum × morifolium Ramat., cultivars were compared for resistance to European corn borer, Ostrinia nubilalis (Hübner). Bronze cultivar 'Grenadine' and yellow cultivars 'Yellow Starlet' and 'Goldmine' showed resistance in oviposition preference studies. 'Grenadine' and yellow cultivars 'Freedom' and 'Nuggets' had the lowest infestation levels on stem sections. Phaeogenes nigridens Wesmael (Hymenoptera; Ichneumonidae), an introduced parasite, was collected from the field infestation and is a new state record.
Document Type: Research Article
Publication date: October 1, 1989
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