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Evaluation of five sequential sampling models for use in an alfalfa weevil (Coleoptera: Curculionidae) integrated pest management program



Evaluation of five sequential sampling models for use in an alfalfa weevil (Coleoptera: Curculionidae) integrated pest management program



Transactions of the Kentucky Academy of Science 49(3-4): 89-95



This paper compares 4 precision-based and 1 fixed-error probability sequential sampling models to determine which would be most suitable for use in an alfalfa weevil (AW), Hypera postica (Gyllenhal), integrated pest management program. Field tests indicated that the precision-based models with a precision (D) of 0.3 require essentially the same average number of samples to terminate sampling as the fixed-error probability model. However, using either of the precision-based models (D = 0.3) in an integrated pest mangement program when the fixed-error probability model is desired will result in too many management errors because they do not identify the range of population densities (i.e., intermediate zone) within which mangement decisions are unreliable. One method for calculating such as intermediate zone for use with precision-based models is discussed.

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Accession: 015746949

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