Sequential Sampling Plans for Sweep Net and Visual Sampling of Oebalus pugnax1in Rice
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Sequential sampling plans were developed for the sweep net and the visual sampling methods "long stick" and "sweep stick." Relative cost-reliability that incorporates probability of adoption showed that sampling with the long stick is more cost-reliable than with the sweep net. Two passes of the sweep stick was less cost-reliable than the sweep net method at low densities but was more cost-reliable at densities of eight or more adult O. pugnax per ten sweep net sweeps. For sweep net sampling, comparison of the currently used fixed sample size plan (n=10) and sequential sampling showed that sequential sampling reduced the number of sample units required to reach a decision by 56%.
author list (cited authors)
Espino, L., Way, M. O., & Wilson, L. T.