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    Author(s): Jack H. Barger; Richard W. Hall; Alden M. Townsend; Alden M. Townsend
    Date: 1992
    Source: Res. Pap. NE-661. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 9 p.
    Publication Series: Research Paper (RP)
    Station: Northeastern Research Station
    PDF: View PDF  (526.43 KB)

    Description

    Leaves (1986) from elm hybrids ('Pioneer', 'Homestead', '970') previously fumigated in open-top chambers with ozone or with charcoal-filtered air (CFA) were evaluated for water and nitrogen content or were fed to adult elm leaf beetles (ELB), Xanthogaleruca = (Pyrrhallta) luteola (Muller), to determine host suitability for beetle fecundity and survivorship. ELB females fed ozone-fumigated leaves laid significantly fewer eggs than females fed CFA-fumigated leaves. Leaf nitrogen or water content was unaffected. Hybrid '970' (1988) was fumigated with CFA or with ozone concentrations to determine effects on ELB fecundity, leaf consumption, and survivorship. Significantly fewer eggs were laid at the higher concentration of ozone.

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    Citation

    Barger, Jack H.; Hall, Richard W.; Townsend, Alden M. 1992. Elm leaf beetle performance on ozone-fumigated elm. Res. Pap. NE-661. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 9 p.

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    Keywords

    Fecundity, herbivory, survivorship, suitability, open-top chamber

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