title: Time-resolved principal component imaging analysis of chlorophyll fluorescence induction for monitoring leaf water stress.
abstract: Chlorophyll fluorescence induction is widely applied to investigate plant growth conditions by calculating the ratio of its intensity at oxidized and reduced states. We examined the applicability of a time-resolved profile of chlorophyll fluorescence induction with the aid of multivariate analysis to monitor the leaf water stress. Principal component (PC) analysis of time-resolved images of chlorophyll fluorescence induction and their score images were reconstructed. Control leaves (non-stressed leaves) and water-stressed leaves could be classified by normalized PC3 score images. This technique has the potential to monitor the water stress condition of plants by using a simple device.
authors.affiliation: Graduate School of Bioagricultural Sciences, Nagoya University, Furo-Cho, Chikusa-Ku, Nagoya 464-8601, Japan.
authors.forename: Hikaru
authors.initials: H
authors.lastname: Kobori
authors.forename: Satoru
authors.initials: S
authors.lastname: Tsuchikawa
mesh_terms: D029064:Araceae / Q000737:chemistry / Q000502:physiology; D002734:Chlorophyll / Q000032:analysis* / Q000737:chemistry*; D003681:Dehydration / Q000503:physiopathology*; D006813:Humidity; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D018515:Plant Leaves / Q000737:chemistry / Q000502:physiology*; D025341:Principal Component Analysis / Q000379:methods*; D013050:Spectrometry, Fluorescence / Q000379:methods*
chemical_list: D002734:Chlorophyll