increase indicates a need for increased nonphotochemical quenching capacity, which suggests that the SB peel types received more irradiation than the NB peel type. However, the relative lack of differences among the SB peel types suggests 1) there is no
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David A. Felicetti and Larry E. Schrader
Jiaxin Li, Yingli Ma, and Yinfeng Xie
quenching (qP), and nonphotochemical quenching (NPQ), were measured using a chlorophyll fluorescence imager (CF Imager; Techologica, Essex, UK). All fluorescence measurements were performed five times following the first NPs treatment, once every 10 d. The
Zhong-Hua Bian, Rui-Feng Cheng, Qi-Chang Yang, Jun Wang, and Chungui Lu
photosynthetic system II (PSII) ( Huner et al., 1998 ; Lichtenthaler et al., 2005 ): the maximal quantum yield ( F v / F m ) = ( F m − F o )/ F m ; the effective quantum yield (Φ PSII ) = ( F m ′ − F s )/ F m ′; nonphotochemical quenching (qN) = ( F m − F m
Kevin M. Folta and Kayla Shea Childers
harvesters of photons. These energized compounds and the processes they drive (photosynthesis, nonphotochemical quenching) affect metabolism and therefore develop metabolic product states that are sensed and used as information within the cell. Retrograde
Theoharis Ouzounis, Eva Rosenqvist, and Carl-Otto Ottosen
nonphotochemical quenching (NPQ) of chlorophyll fluorescence], which possibly limits the formation of chlorophyll triplets and prevents ROS from being produced ( Demmig-Adams and Adams, 1992 ). Lutein and β-carotene are also key components of the light
Jinhong Yuan, Man Xu, Wei Duan, Peige Fan, and Shaohua Li
, R.G. 1994 Regulation of light harvesting in green plants (indication by nonphotochemical quenching of chlorophyll fluorescence) Plant Physiol. 106 415 420 10.1104/pp.106.2.415 Hsiao, T.C. 1973 Plant responses to water stress Annu. Rev. Plant Physiol