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Response of four commercial corn hybrids to infestations of fall armyworm and corn earworm (Lepidoptera: Noctuidae)



Response of four commercial corn hybrids to infestations of fall armyworm and corn earworm (Lepidoptera: Noctuidae)



Florida Entomologist 76(2): 283-292



Four commercial maize hybrids (Pioneer 3030, Pioneer 3369, Funk 4507A and Dekalb XL395) were evaluated in the field in Georgia, USA, during 1989, for their responses to damage by larvae of Spodoptera frugiperda and Helicoverpa zea. Significant differences were found between hybrids for all but one (days to 50% silk) of 7 parameters of damage studied. Infestation at 80 larvae/plant at the 8- or 12-leaf stage resulted in significantly higher leaf-feeding damage than for 40 larvae/plant.

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Accession: 002481635

Download citation: RISBibTeXText

DOI: 10.2307/3495728


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