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Electrical Capacitance Measurements To Assess European Corn Borer Infestation In Maize, Mavrik D. Thomas
Electrical Capacitance Measurements To Assess European Corn Borer Infestation In Maize, Mavrik D. Thomas
Theses and Dissertations
The European Corn Borer (ECB), Ostrinia nubilalis, is an agricultural pest which bores small holes in the rind of maize stalks and then proceeds to consume the pith. Because most of the damage to the stalk is internal, it is difficult to quantify the damage to an individual stalk without time-consuming, manual examination. This work explored the hypothesis that internal damage could be detected and quantified using non-destructive, electromagnetic measurements. Laboratory experiments and numerical simulation studies predicted changes in capacitance of stalks due to hollow core ECB damage. A guarded probe device to measure electrical impedance from 500 Hz to …