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Ariningsun P. Cinantya, Fure-Chyi Chen, and Yao-Chien Alex Chang

internally by light-emitting diode lamps, and the intensity emitted was set to automatic adjustment to match the real-time natural lighting in the phytotron. Photosynthetic activity was measured from 0800 hr to 1300 hr . Chlorophyll fluorescence was

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Wei Hu, Qing Di, Jingyi Wei, Jie Zhang, and Jia Liu

were as follows: light-emitting diode light source, PPFD of 800 μmol·m −2 ·s −1 , flow rate 500 μmol·s −1 , chamber temperature 30 ± 2 °C, and relative humidity 60% ± 1%. Determination of chlorophyll fluorescence. The chlorophyll a

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Ockert Greyvenstein, Terri Starman, Brent Pemberton, Genhua Niu, and David Byrne

verified for some members of the Rosaceae, including red raspberry ( Rubus idaeus L.), by recording the net photosynthetic rate of leaves at different temperatures ( Fernandez and Pritts, 1994 ). Chlorophyll fluorescence is a nonintrusive measurement

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How-Chiun Wu, Mei-Ling Kuo, and Chia-Min Chen

and chlorophyll fluorescence. An SPAD-502 Plus Chlorophyll Meter (Konica Minolta, Tokyo, Japan), which is a portable diagnostic device that takes nondestructive measurements of the greenness or relative chlorophyll concentration of leaves, was used to

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Wendy S. Klooster, Bert M. Cregg, R. Thomas Fernandez, and Pascal Nzokou

of needles. Total surface area of each needle was calculated by assuming each needle represented one-fifth of a cylinder ( Johnson, 1984 ). Chlorophyll fluorescence A portable chlorophyll fluorescence meter (Plant Efficiency Analyzer

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Jessica D. Lubell and Jacob A. Griffith Gardner

each species. Plants were placed in shade from 14 May to 12 Aug. in 2015 (90 d) and 3 May to 8 Aug. in 2016 (97 d). Chlorophyll fluorescence was measured biweekly from 26 May 2015 (week 21) to 4 Aug. 2015 (week 31) using a fluorometer [Plant Efficiency

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Kellie J. Walters and Christopher J. Currey

fresh weight was recorded. Shoots were placed in a forced-air drier maintained at 67 °C for 3 d, then weighed; dry weight was recorded. Three weeks after placing plants into temperature treatments, chlorophyll fluorescence of five plants per treatment

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Diane Feliciano Cayanan, Youbin Zheng, Ping Zhang, Tom Graham, Mike Dixon, Calvin Chong, and Jennifer Llewellyn

, leaf discoloration) of plant leaves was observed and recorded daily. Leaf chlorophyll content index (CCI) was measured with a chlorophyll meter (CCM-200; Opti-Sciences, Tyngboro, MA) and leaf chlorophyll fluorescence (F v /F m ) was measured with a

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Şemsettin Kulaç, Pascal Nzokou, Deniz Guney, Bert Michael Cregg, and Ibrahim Turna

from four concentrations of D-glucose, and a regression equation was established for the determination of carbohydrate concentrations in unknown samples. Chlorophyll fluorescence. The chlorophyll fluorescence was measured six times between 1 July and 28

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Ao Liu, Jibiao Fan, Margaret Mukami Gitau, Liang Chen, and Jinmin Fu

). These results confirm that NO had a positive impact on the photosynthesis system of bermudagrass’ leaves. Fig. 5. Changes of chlorophyll fluorescence transients (OJIP curve) in the leaves of bermudagrass after 4 d treatments. Bermudagrass used in this