, 2012b ) demonstrated that at temperatures of 20 °C/16 °C (day/night), lettuce plants under 400 and 600 μmol·m −2 ·s −1 exhibited high photochemical quenching (qP), ETR, and yield, as well as moderate nonphotochemical quenching parameter (NPQ) values
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Jing Zhou, PingPing Li, JiZhang Wang, and Weiguo Fu
Ming Liu, Aijun Zhang, Xiaoguang Chen, Rong Jin, Hongmin Li, and Zhonghou Tang
( Dannehl et al., 1996 ). In this study, it can be found that the decreased q P is consistent with the decrease of P n ( Fig. 7 ). The q N is an important nonphotochemical quenching parameter, reflecting the changes in the plant heat dissipation
Marjorie Reyes-Diaz, Miren Alberdi, and Maria de la Luz Mora
'). In this article, we used the definitions of fluorescence parameters [maximum quantum yield of the PSII (F v /F m ), effective quantum yield of the PSII ( Φ PSII), electron transport rate (ETR), and nonphotochemical quenching (NPQ)] as described by
Renée L. Eriksen, Laban K. Rutto, James E. Dombrowski, and John A. Henning
transfer rate (ETR). ( H ) Nonphotochemical quenching (NPQ). Traits that reflect the health of the light-harvesting system (PSII efficiency or Ф PSII and ETR) for the different cultivars displayed trends similar to those observed in A. However, these
Liyuan Huang, Jun Yuan, Hui Wang, Xiaofeng Tan, and Genhua Niu
differences were found in relative quantum efficiency of PSII photochemistry (ΦPSII) among Al concentration of 0.5, 1.25 m m, and the control. The nonphotochemical quenching (NPQ) was greatest in the 2.0 m m , followed by those in the control and 0.5 m m Al
Young-Hwan Shin, Rui Yang, Yun-Long Shi, Xu-Min Li, Qiu-Yue Fu, Jian-Liang Lu, Jian-Hui Ye, Kai-Rong Wang, Shi-Cheng Ma, Xin-Qiang Zheng, and Yue-Rong Liang
the photosystems under high-light conditions ( Powles, 1984 ). Carotenoids function to dissipate excessive energy or excitation nondestructively as heat, a phenomenon being called nonphotochemical quenching (NPQ) of chlorophyll a fluorescence
Dean A. Kopsell, Carl E. Sams, Dennis E. Deyton, Kristin R. Abney, David E. Kopsell, and Larry Robertson
-harvesting pigments by channeling photons to the photosynthetic reaction center and functioning as photoprotectants by quenching damaging free radicals or through active nonphotochemical quenching of excess light energy ( Croce et al., 1999b ; Niyogi, 1999
Haijie Dou, Genhua Niu, and Mengmeng Gu
under greater PPFD levels or continuous light ( Bian et al., 2016 , 2018 ). Specifically, under greater PPFD s, nonphotochemical quenching could be engaged in upper leaves, whereas in lower leaves, penetrating green light could drive photosynthesis
Wei Hu, Qing Di, Jingyi Wei, Jie Zhang, and Jia Liu
0 ), photochemical quenching coefficient (q p ), PSII photochemical maximum quantum efficiency (F v /F m ), chlorophyll fluorescence nonphotochemical quenching (NPQ), and actual quantum yield of PSII photochemistry (Φ PSII ). The specific measurement
Tessa Pocock
the lumen (ΔpH) during PSN also senses changes in light, regulates electron transport, and modulates nonphotochemical quenching (NPQ) in PSII ( Foyer et al., 2012 ; Kono and Terashima, 2014 ). The photoprotective xanthophyll cycle is a significant