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Economic impact of sugarbeet root aphid (Homoptera: Aphidiidae) on sugarbeet yield and quality in southern Minnesota



Economic impact of sugarbeet root aphid (Homoptera: Aphidiidae) on sugarbeet yield and quality in southern Minnesota



Journal of Economic Entomology 87(2): 465-475



The economic impact of Pemphigus betae infestations on sugarbeet yield and quality was studied during 1990 and 1991 in 11 commercial sugarbeet fields in southwestern Minnesota. Fields with one or more obvious infestation foci were selected for study. Severe aphid infestations were characterized by elliptical-shaped foci of stunted or wilted plants that averaged 14.8 m long and 9.0 wide; average foci area was 104.6 msuperscript 2 (0.0105 ha).

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Accession: 002351845

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