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    Impact of Trap Design and Placement When Monitoring for the Bandadwinged Whitefly and the Sweet Potato Whitefly

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    Author
    Byrne, David N.
    Hoffman, C. J.
    Issue Date
    1986-04
    Keywords
    Agriculture -- Arizona
    Vegetables -- Arizona
    Vegetables -- Insects
    
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    Publisher
    College of Agriculture, University of Arizona (Tucson, AZ)
    Journal
    Vegetable Report
    Abstract
    Several designs for yellow sticky traps where placed on the periphery of cotton and lettuce fields and evaluated to determine the most efficient type for capturing bandedwinged and sweetpotato whiteflies. Cylindrical traps caught more (55% of the total) than the other designs; upward-facing horizontal traps caught 26 %, vertical traps 16% and downward- facing horizontal traps 3 %. The number of both species of whiteflies captured by the various designs placed around fields was compared with the number caught on traps in lettuce field interiors. Catches from cylindrical and upward-facing horizontal traps were consistantly correlated at high levels with field populations. Traps placed at ground level caught a significantly higher number of whiteflies when compared with those placed at 50 and 100 centimeters (81% of the total versus 11% and 7% respectively). Aerial traps displayed more variation with field populations than did ground level traps.
    Series/Report no.
    Series P-66
    370066
    Collections
    Vegetable Report 1986

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