Portable fluorescence spectroscopy platform for Huanglongbing (HLB) citrus disease in situ detection

Alessandro D. Mota, Giuliano Rossi, Guilherme Cunha De Castro, Tiago A. Ortega, Jarbas C. De Castro N.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

1 Citation (Scopus)

Abstract

In this work, the development of a portable fluorescence spectroscopy platform for Huanglongbing (HLB) citrus disease in situ detection is presented. The equipment consists of an excitation blue LED light source, a commercial miniature spectrometer and embedded software. Measurements of healthy, HLB-symptomatic and HLB-asymptomatic citrus leafs were performed. Leafs were excited with the blue LED and their fluorescence spectra collected. Embedded electronics and software were responsible for the spectrum processing and classification via partial least squares regression. Global success rates above 80% and 100% distinction of healthy and HLB-symptomatic leafs were obtained.

Original languageEnglish
Title of host publicationLight-Emitting Diodes
Subtitle of host publicationMaterials, Devices, and Applications for Solid State Lighting XVIII
EditorsKlaus P. Streubel, Heonsu Jeon, Li-Wei Tu, Martin Strassburg
Place of PublicationBellingham, Washington
PublisherSPIE
Pages1-9
Number of pages9
ISBN (Print)9780819499165
DOIs
Publication statusPublished - 2014
Externally publishedYes
EventLight-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVIII - San Francisco, CA, United States
Duration: 4 Feb 20146 Feb 2014

Publication series

NameProceedings of SPIE
Volume9003
ISSN (Print)0277-786X

Other

OtherLight-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVIII
CountryUnited States
CitySan Francisco, CA
Period4/02/146/02/14

Keywords

  • citrus greening
  • fluorescence spectroscopy
  • Huagnlongbing (HLB)
  • Precision Agriculture

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