Comparison of Sampling Methods for Estimating Western Flower Thrips Abundance on Lettuce
Several relative sampling techniques (direct visual counts, beat pans and sticky traps) were compared to absolute counts (plant wash) to determine sampling reliability for estimating western flower thrips population levels in lettuce. In numerous plantings of experimental plots of head lettuce, the...
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| Language: | en_US |
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College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ)
2003
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| Online Access: | http://hdl.handle.net/10150/214962 |