{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T20:07:20Z","timestamp":1775074040836,"version":"3.50.1"},"reference-count":46,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2020,5,9]],"date-time":"2020-05-09T00:00:00Z","timestamp":1588982400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41671424"],"award-info":[{"award-number":["41671424"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2019M650521"],"award-info":[{"award-number":["2019M650521"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>It has been demonstrated that solar-induced chlorophyll fluorescence (SIF) is linearly related to the primary production of photosynthesis (GPP) in various ecosystems. However, it is unknown whether such linear relationships have been established in senescent crops. SIF and GPP can be expressed as the products of absorbed photosynthetically active radiation (APAR) with the SIF yield and photosystem II (PSII) operating efficiency, respectively. Thus, the relationship between SIF and GPP can be represented by the relationship between the SIF yield and PSII operating efficiency when the APAR has the same value. Therefore, we analyzed the relationship between the SIF yield and the PSII operating efficiency to address the abovementioned question. Here, diurnal measurements of the canopy SIF (760 nm, F760) of soybean and sweet potato were manually measured and used to calculate the SIF yield. The PSII operating efficiency was calculated from measurements of the chlorophyll fluorescence at the leaf level using the FluorImager chlorophyll fluorescence imaging system. Meanwhile, field measurements of the gas exchange and other physiological parameters were also performed using commercial-grade devices. The results showed that the SIF yield was not linearly related to the PSII operating efficiency at the diurnal scale, reflecting the nonlinear relationship between SIF and GPP. This nonlinear relationship mainly resulted from the heterogeneity and diurnal dynamics of the PSII operating efficiency and from the intrinsic diurnal changes in the maximum efficiency of the PSII photochemistry and the proportion of opened PSII centers. Intensifying respiration was another factor that complicated the response of photosynthesis to the variation in environmental conditions and negatively impacted the relationship between the SIF yield and the PSII operating efficiency. The nonlinear relationship between the SIF yield and PSII efficiency might yield errors in the estimation of GPP using the SIF measurements of senescent crops.<\/jats:p>","DOI":"10.3390\/rs12091518","type":"journal-article","created":{"date-parts":[[2020,5,11]],"date-time":"2020-05-11T12:26:30Z","timestamp":1589199990000},"page":"1518","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Nonlinear Relationship Between the Yield of Solar-Induced Chlorophyll Fluorescence and Photosynthetic Efficiency in Senescent Crops"],"prefix":"10.3390","volume":"12","author":[{"given":"Leizhen","family":"Liu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"}]},{"given":"Wenhui","family":"Zhao","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"}]},{"given":"Qiu","family":"Shen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"}]},{"given":"Jianjun","family":"Wu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"},{"name":"Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China"},{"name":"Beijing Key Laboratory for Remote Sensing of Environment and Digital Cities, Beijing 100875, China"}]},{"given":"Yanguo","family":"Teng","sequence":"additional","affiliation":[{"name":"College of Water Sciences, Beijing Normal University, Beijing 100875, China"}]},{"given":"Jianhua","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"}]},{"given":"Xinyi","family":"Han","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"}]},{"given":"Feng","family":"Tian","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing 100875, China"}]}],"member":"1968","published-online":{"date-parts":[[2020,5,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Porcar-Castell, A., Tyystj\u00e4rvi, E., Atherton, J., van der Tol, C., Flexas, J., Pf\u00fcndel, E.E., Moreno, J., Frankenberg, C., and Berry, J.A. (2014). Linking chlorophyll a fluorescence to photosynthesis for remote sensing applications: Mechanisms and challenges. J. Exp. Bot., eru191.","DOI":"10.1093\/jxb\/eru191"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"2860","DOI":"10.1109\/TGRS.2005.857906","article-title":"Detection of water stress in orchard trees with a high-resolution spectrometer through chlorophyll fluorescence in-filling of the O\/sub 2\/-A band","volume":"43","author":"Miller","year":"2005","journal-title":"IEEE Trans. Geosci. Remote Sens."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"1632","DOI":"10.1002\/2014GL062943","article-title":"Red and far red Sun-induced chlorophyll fluorescence as a measure of plant photosynthesis","volume":"42","author":"Rossini","year":"2015","journal-title":"Geophys. Res. Lett."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"2427","DOI":"10.1002\/2015JG003150","article-title":"Drought onset mechanisms revealed by satellite solar-induced chlorophyll fluorescence: Insights from two contrasting extreme events","volume":"120","author":"Sun","year":"2015","journal-title":"J. Geophys. Res. Biogeosci."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1016\/j.rse.2015.06.008","article-title":"The 2010 Russian drought impact on satellite measurements of solar-induced chlorophyll fluorescence: Insights from modeling and comparisons with parameters derived from satellite reflectances","volume":"166","author":"Yoshida","year":"2015","journal-title":"Remote Sens. Environ."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"4023","DOI":"10.1111\/gcb.14302","article-title":"Satellite sun-induced chlorophyll fluorescence detects early response of winter wheat to heat stress in the Indian Indo-Gangetic Plains","volume":"24","author":"Song","year":"2018","journal-title":"Glob. Chang. Biol."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1262","DOI":"10.1016\/j.rse.2009.02.016","article-title":"Imaging chlorophyll fluorescence with an airborne narrow-band multispectral camera for vegetation stress detection","volume":"113","author":"Berni","year":"2009","journal-title":"Remote Sens. Environ."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1111\/j.1365-2486.2009.01908.x","article-title":"Remote sensing of sun-induced fluorescence to improve modeling of diurnal courses of gross primary production (GPP)","volume":"16","author":"Damm","year":"2010","journal-title":"Glob. Chang. Biol."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"1283","DOI":"10.1016\/j.agrformet.2010.05.011","article-title":"High resolution field spectroscopy measurements for estimating gross ecosystem production in a rice field","volume":"150","author":"Rossini","year":"2010","journal-title":"Agric. For. Meteorol."},{"key":"ref_10","first-page":"11891","article-title":"Sun-induced Chlorophyll fluorescence and PRI improve remote sensing GPP estimates under varying nutrient availability in a typical Mediterranean savanna ecosystem","volume":"12","author":"Guan","year":"2015","journal-title":"Biogeosciences Discuss."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"2977","DOI":"10.1002\/2015GL063201","article-title":"Solar-induced chlorophyll fluorescence that correlates with canopy photosynthesis on diurnal and seasonal scales in a temperate deciduous forest","volume":"42","author":"Yang","year":"2015","journal-title":"Geophys. Res. Lett."},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"72","DOI":"10.1016\/j.rse.2016.04.027","article-title":"Spatially downscaling sun-induced chlorophyll fluorescence leads to an improved temporal correlation with gross primary productivity","volume":"182","author":"Duveiller","year":"2016","journal-title":"Remote Sens. Environ."},{"key":"ref_13","doi-asserted-by":"crossref","unstructured":"Goulas, Y., Fournier, A., Daumard, F., Champagne, S., Ounis, A., Marloie, O., and Moya, I. (2017). Gross primary production of a wheat canopy relates stronger to far red than to red solar-induced chlorophyll fluorescence. Remote Sens., 9.","DOI":"10.3390\/rs9010097"},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.agrformet.2016.06.014","article-title":"Directly estimating diurnal changes in GPP for C3 and C4 crops using far-red sun-induced chlorophyll fluorescence","volume":"232","author":"Liu","year":"2017","journal-title":"Agric. For. Meteorol."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"E1327","DOI":"10.1073\/pnas.1320008111","article-title":"Global and time-resolved monitoring of crop photosynthesis with chlorophyll fluorescence","volume":"111","author":"Guanter","year":"2014","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1016\/j.rse.2013.02.003","article-title":"Spatio-temporal patterns of chlorophyll fluorescence and physiological and structural indices acquired from hyperspectral imagery as compared with carbon fluxes measured with eddy covariance","volume":"133","author":"Morales","year":"2013","journal-title":"Remote Sens. Environ."},{"key":"ref_17","doi-asserted-by":"crossref","unstructured":"Xu, S., Liu, Z., Zhao, L., Zhao, H., and Ren, S. (2018). Diurnal Response of Sun-Induced Fluorescence and PRI to Water Stress in Maize Using a Near-Surface Remote Sensing Platform. Remote Sens., 10.","DOI":"10.3390\/rs10101510"},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"2874","DOI":"10.1111\/gcb.13590","article-title":"Chlorophyll fluorescence tracks seasonal variations of photosynthesis from leaf to canopy in a temperate forest","volume":"23","author":"Yang","year":"2017","journal-title":"Glob. Chang. Biol."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Renger, G. (2007). Overview of primary processes of photosynthesis. Primary Processes of Photosynthesis, Elsevier. Part 1.","DOI":"10.1039\/9781847558152"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"716","DOI":"10.1002\/2016JG003580","article-title":"Effect of environmental conditions on the relationship between solar-induced fluorescence and gross primary productivity at an OzFlux grassland site","volume":"122","author":"Verma","year":"2017","journal-title":"J. Geophys. Res. Biogeosci."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"2312","DOI":"10.1002\/2014JG002713","article-title":"Models of fluorescence and photosynthesis for interpreting measurements of solar-induced chlorophyll fluorescence","volume":"119","author":"Van","year":"2014","journal-title":"J. Geophys. Res. Biogeosci."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"603","DOI":"10.1007\/s11103-013-0013-8","article-title":"Plant senescence and crop productivity","volume":"82","author":"Gregersen","year":"2013","journal-title":"Plant Mol. Biol."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"1026","DOI":"10.2135\/cropsci2000.4041026x","article-title":"Does maintaining green leaf area in sorghum improve yield under drought? I. Leaf growth and senescence","volume":"40","author":"Borrell","year":"2000","journal-title":"Crop Sci."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"186","DOI":"10.1038\/nclimate1356","article-title":"Extreme heat effects on wheat senescence in India","volume":"2","author":"Lobell","year":"2012","journal-title":"Nat. Clim. Chang."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1126\/science.1066860","article-title":"Responses to a warming world","volume":"294","author":"Filella","year":"2001","journal-title":"Science"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/j.fcr.2012.05.013","article-title":"Warming impacts on winter wheat phenophase and grain yield under field conditions in Yangtze Delta Plain, China","volume":"134","author":"Tian","year":"2012","journal-title":"Field Crop. Res."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"716","DOI":"10.1111\/gcb.13136","article-title":"Improving the monitoring of crop productivity using spaceborne solar-induced fluorescence","volume":"22","author":"Guan","year":"2016","journal-title":"Glob. Chang. Biol."},{"key":"ref_28","unstructured":"Zhang, T. (2010). The Study on Spatial Variability of Soil Elements and Its Environment Risk Assessment in Grape Producing Area in Zhang Jia Kou, Hebei Agricultural University."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1007\/s11120-017-0467-7","article-title":"Chlorophyll fluorescence as a tool for nutrient status identification in rapeseed plants","volume":"136","author":"Kalaji","year":"2018","journal-title":"Photosynth. Res."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"1208","DOI":"10.1016\/j.scitotenv.2017.12.268","article-title":"Evaluating the utility of solar-induced chlorophyll fluorescence for drought monitoring by comparison with NDVI derived from wheat canopy","volume":"625","author":"Liu","year":"2018","journal-title":"Sci. Total Environ."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/j.ecolind.2018.02.048","article-title":"Relationship of root zone soil moisture with solar-induced chlorophyll fluorescence and vegetation indices in winter wheat: A comparative study based on continuous ground-measurements","volume":"90","author":"Liu","year":"2018","journal-title":"Ecol. Indic."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1016\/j.rse.2009.09.010","article-title":"Performance of Spectral Fitting Methods for vegetation fluorescence quantification","volume":"114","author":"Meroni","year":"2010","journal-title":"Remote Sens. Environ."},{"key":"ref_33","doi-asserted-by":"crossref","unstructured":"Vi\u00f1a, A., and Gitelson, A.A. (2005). New developments in the remote estimation of the fraction of absorbed photosynthetically active radiation in crops. Geophys. Res. Lett., 32.","DOI":"10.1029\/2005GL023647"},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"615","DOI":"10.1093\/jexbot\/52.356.615","article-title":"High resolution imaging of photosynthetic activities of tissues, cells and chloroplasts in leaves","volume":"52","author":"Baker","year":"2001","journal-title":"J. Exp. Bot."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"1607","DOI":"10.1093\/jxb\/erh196","article-title":"Applications of chlorophyll fluorescence can improve crop production strategies: An examination of future possibilities","volume":"55","author":"Baker","year":"2004","journal-title":"J. Exp. Bot."},{"key":"ref_36","doi-asserted-by":"crossref","unstructured":"Lichtenthaler, H.K., and Wellburn, A.R. (1983). Determinations of Total Carotenoids and Chlorophylls a and b of Leaf Extracts in Different Solvents, Portland Press Limited.","DOI":"10.1042\/bst0110591"},{"key":"ref_37","doi-asserted-by":"crossref","unstructured":"Sudhakar, P., Latha, P., and Reddy, P.V. (2016). Plant Pigments. Phenotyping Crop Plants for Physiological and Biochemical Traits, Elsevier.","DOI":"10.1016\/B978-0-12-804073-7.00015-6"},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1016\/j.agrformet.2014.08.005","article-title":"Seasonal variation of leaf area index (LAI) over paddy rice fields in NE China: Intercomparison of destructive sampling, LAI-2200, digital hemispherical photography (DHP), and AccuPAR methods","volume":"198","author":"Fang","year":"2014","journal-title":"Agric. For. Meteorol."},{"key":"ref_39","doi-asserted-by":"crossref","unstructured":"Frankenberg, C., and Berry, J. (2018). Solar Induced Chlorophyll Fluorescence: Origins, Relation to Photosynthesis and Retrieval, Elsevier.","DOI":"10.1016\/B978-0-12-409548-9.10632-3"},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1111\/pce.12137","article-title":"Stomatal responses to changes in vapor pressure deficit reflect tissue-specific differences in hydraulic conductance","volume":"37","author":"Ocheltree","year":"2014","journal-title":"Plant Cell Environ."},{"key":"ref_41","doi-asserted-by":"crossref","unstructured":"Lambers, H. (2005). Plant Respiration: From Cell to Ecosystem, Springer Science & Business Media.","DOI":"10.1007\/1-4020-3589-6"},{"key":"ref_42","doi-asserted-by":"crossref","unstructured":"Biswal, B., Krupinska, K., and Biswal, U.C. (2013). Plastid Development in Leaves during Growth and Senescence, Springer.","DOI":"10.1007\/978-94-007-5724-0"},{"key":"ref_43","unstructured":"Aro, E.-M., and Andersson, B. (2006). Regulation of Photosynthesis, Springer Science & Business Media."},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"15491","DOI":"10.1073\/pnas.93.26.15491","article-title":"Integration of circadian and phototransduction pathways in the network controlling CAB gene transcription in Arabidopsis","volume":"93","author":"Millar","year":"1996","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"630","DOI":"10.1126\/science.1115581","article-title":"Plant circadian clocks increase photosynthesis, growth, survival, and competitive advantage","volume":"309","author":"Dodd","year":"2005","journal-title":"Science"},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1016\/j.rse.2016.10.016","article-title":"Model-based analysis of the relationship between sun-induced chlorophyll fluorescence and gross primary production for remote sensing applications","volume":"187","author":"Zhang","year":"2016","journal-title":"Remote Sens. Environ."}],"container-title":["Remote Sensing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2072-4292\/12\/9\/1518\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T09:27:20Z","timestamp":1760174840000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2072-4292\/12\/9\/1518"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,5,9]]},"references-count":46,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2020,5]]}},"alternative-id":["rs12091518"],"URL":"https:\/\/doi.org\/10.3390\/rs12091518","relation":{},"ISSN":["2072-4292"],"issn-type":[{"value":"2072-4292","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,5,9]]}}}