Use of remote sensing within the optical and thermal spectral ranges in order to detect Septoria tritici on winter wheat

HervÃ© Nicolas

Use of remote sensing within the optical and thermal spectral ranges in order to detect Septoria tritici on winter wheat

äºPrecision Agriculture â05

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HervÃ© Nicolas

HervÃ© Nicolas UMR Agrocampus-INRA Sol-Agronomie-Spatialisation, Rennes, France Herve.Nicolas@agrocampus-rennes.fr

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Page Range:: 81â89

DOI:: https://doi.org/10.3920/978-90-8686-549-9_010

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The potential of remote sensing as a tool for detecting and quantifying a Septoria tritici attack has been assessed on winter wheat. In a field experiment, the range of Septoria tritici infestation levels were obtained on plots differentiated by their date of fungicide application. Remote sensed data have been derived over both the optical (visible and near-infrared) and thermal infrared spectral ranges. The severity of the Septoria tritici infection was associated with a decrease in the NDVI vegetation index as well as an increase in the canopy surface temperature. Several remote relative and absolute sensing indicators were compared with infection levels and yield. The use of these results within a precision farming context is discussed.

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Precision Agriculture â05

ISBN:: 9789086865499

åºçç¤¾:: Wageningen Academic

å°å·åºçæ¥æ:: 24 Oct 2005

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  - Agriculture & Environment

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Use of remote sensing within the optical and thermal spectral ranges in order to detect Septoria tritici on winter wheat

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