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United States Department of Agriculture

Agricultural Research Service

Title: Effect of Sample Size on the Accuracy and Precision of Citrus Rust Mite Density Estimates on Citrus Fruit

Authors
item Hall, David
item Childers, Carl - UNIV OF FLORIDA
item Eger, Joseph - DOW CHEMICAL

Submitted to: Florida Entomological Society Annual Meeting
Publication Type: Abstract Only
Publication Acceptance Date: June 18, 2004
Publication Date: July 26, 2004
Citation: Hall, D.G., Childers, C.C., Eger, J.E. 2004. Effect of sample size on the accuracy and precision of citrus rust mite density estimates on citrus fruit. Florida Entomological Society Annual Meeting.

Technical Abstract: Consequences of reducing sample size on the accuracy and precision of estimates of citrus rust mite densities on oranges were investigated. The sample unit was a 1-cm2 surface area on fruit. Sampling plans consisting of 360, 300, 200, 160, 80, 36 or 20 samples per 4 ha were evaluated through computer simulations using a dataset of real count data from 600 sample units per 4 ha. The results of the research provide guidelines for selecting a sampling plan.

Last Modified: 4/19/2014
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