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Remote Sens. 2017, 9(6), 599; doi:10.3390/rs9060599

Estimating Chlorophyll Fluorescence Parameters Using the Joint Fraunhofer Line Depth and Laser-Induced Saturation Pulse (FLD-LISP) Method in Different Plant Species

1
Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
2
School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, ME 04469, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Jose Moreno and Prasad S. Thenkabail
Received: 5 January 2017 / Revised: 7 June 2017 / Accepted: 9 June 2017 / Published: 13 June 2017
View Full-Text   |   Download PDF [2602 KB, uploaded 15 June 2017]   |  

Abstract

A comprehensive evaluation of the recently developed Fraunhofer line depth (FLD) and laser-induced saturation pulse (FLD-LISP) method was conducted to measure chlorophyll fluorescence (ChlF) parameters of the quantum yield of photosystem II (ΦPSII), non-photochemical quenching (NPQ), and the photosystem II-based electron transport rate (ETR) in three plant species including paprika (C3 plant), maize (C4 plant), and pachira (C3 plant). First, the relationships between photosynthetic photon flux density (PPFD) and ChlF parameters retrieved using FLD-LISP and the pulse amplitude-modulated (PAM) methods were analyzed for all three species. Then the relationships between ChlF parameters measured using FLD-LISP and PAM were evaluated for the plants in different growth stages of leaves from mature to aging conditions. The relationships of ChlF parameters/PPFD were similar in both FLD-LISP and PAM methods in all plant species. ΦPSII showed a linear relationship with PPFD in all three species whereas NPQ was found to be linearly related to PPFD in paprika and maize, but not for pachira. The ETR/PPFD relationship was nonlinear with increasing values observed for PPFDs lower than about 800 μmol m−2 s−1 for paprika, lower than about 1200 μmol m−2 s−1 for maize, and lower than about 800 μmol m−2 s−1 for pachira. The ΦPSII, NPQ, and ETR of both the FLD-LISP and PAM methods were very well correlated (R2 = 0.89, RMSE = 0.05), (R2 = 0.86, RMSE = 0.44), and (R2 = 0.88, RMSE = 24.69), respectively, for all plants. Therefore, the FLD-LISP method can be recommended as a robust technique for the estimation of ChlF parameters. View Full-Text
Keywords: C3 plant; C4 plant; Fraunhofer line depth and laser-induced saturation pulse (FLD-LISP) method; non-photochemical quenching (NPQ); photochemical yield of photosystem II (ΦPSII); photosystem II-based electron transport rate (ETR); solar-induced chlorophyll fluorescence (SIF) C3 plant; C4 plant; Fraunhofer line depth and laser-induced saturation pulse (FLD-LISP) method; non-photochemical quenching (NPQ); photochemical yield of photosystem II (ΦPSII); photosystem II-based electron transport rate (ETR); solar-induced chlorophyll fluorescence (SIF)
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Rahimzadeh-Bajgiran, P.; Tubuxin, B.; Omasa, K. Estimating Chlorophyll Fluorescence Parameters Using the Joint Fraunhofer Line Depth and Laser-Induced Saturation Pulse (FLD-LISP) Method in Different Plant Species. Remote Sens. 2017, 9, 599.

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