Development and Validation of a Binomial Sequential Sampling Plan for the Greenbug (Homoptera: Aphididae) Infesting Winter Wheat in the Southern Plains

From 1997 to 1999, Schizaphis graminum (Rondani), intensity (number per tiller) was estimated on 115 occasions from hard red winter wheat fields located throughout the major wheat growing regions of Oklahoma. A total of 32 and 83 fields was sampled during the fall and spring, respectively. The param...

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