Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Committee Member Anderson, Jeff C. Advisor Berry, Ralph E.

Twospotted spider mite, Tetranychus urticae Kock, in Oregon peppermint, Mentha piperita L. : sampling, population dynamics and economic injury

Creator:

Hollingsworth, Craig Stephen

Abstract:

A pest management program for Tetranychus urticae Koch in Oregon peppermint was developed based on studies of sampling, plant phenology, population dynamics and damage thresholds. A sample size of 45 leaves provided a confidence level of 90% and a confidence interval of 50%. Estimation of the sample mean was based...

Resource Type:

Dissertation

Full Text:

education. I also thank my committee, N.H. Anderson, W.C. Denison, R. Garren, D., Faulkenberry and G.W