2023
DOI: 10.1007/s40626-023-00268-2
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Nutrient deficiency lowers photochemical and carboxylation efficiency in tobacco

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Cited by 12 publications
(17 citation statements)
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“…Despite this, the results still exhibit a higher level of accuracy for Chl a+b, compared to data obtained through PLSR. These findings demonstrate the potential of combining hyperspectral data with PLSR for the study of leaf pigments [10,42,74]. Most previous studies have only focused on reflectance curves, limiting their ability to fully comprehend the spectral interactions that lead to accurate pigment estimation.…”
Section: Prediction Based On An Independent Data Setmentioning
confidence: 84%
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“…Despite this, the results still exhibit a higher level of accuracy for Chl a+b, compared to data obtained through PLSR. These findings demonstrate the potential of combining hyperspectral data with PLSR for the study of leaf pigments [10,42,74]. Most previous studies have only focused on reflectance curves, limiting their ability to fully comprehend the spectral interactions that lead to accurate pigment estimation.…”
Section: Prediction Based On An Independent Data Setmentioning
confidence: 84%
“…On the other hand, leaves grown in shaded environments have a lighter color, more chlorophyll by mass, higher reflectance, and lower absorbance (Figure 7). In this sense, leaves grown under high light conditions show higher levels of absorbance than those grown under low light conditions [8,[40][41][42]. Therefore, changes in leaf structure and ultrastructure can affect leaf absorption spectra and have a stronger correlation with leaf optical properties and the estimation of photosynthetic pigments compared to the reflective characteristics of the epidermis (Figure 7) or following reported estimates obtained from reflectance data [18,43].…”
Section: Structure Ultrastructure and Photosynthetic Pigmentsmentioning
confidence: 91%
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“…The absorption of electromagnetic radiation is directly related to components such as phenolic compounds, flavonoids, anthocyanins, carotenoids, and chlorophyll concentration [ 64 ]. Many of these compounds, such as chlorophyll, are biochemical indicators strictly related to the N content in the plants [ 6 ].…”
Section: Discussionmentioning
confidence: 99%
“…The visible region of the electromagnetic spectrum is strongly influenced by the presence of photosynthetic pigments, including chlorophylls "a" and "b", and carotenoids, such as carotenes and xanthophylls [18,21,44,45]. Plants susceptible to K + deficiency exhibit lower chlorophyll "a" and "b" concentrations, higher stomatal restriction, and lower electron transition compared to tolerant plants, as mentioned in the study conducted by Zhao et al [46].…”
Section: Visual Analysis Of the Reflectance Spectramentioning
confidence: 97%