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A hyperspectral deep learning attention model for predicting lettuce chlorophyll content
BackgroundThe phenotypic traits of leaves are the direct reflection of the agronomic traits in the growth process of leafy vegetables, which plays a...
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HCC1, a Polygalacturonase, Regulates Chlorophyll Degradation via the Ethylene Synthesis Pathway
Chlorophyll degradation is an important physiological process and is essential for plant growth and development. However, how chlorophyll degradation...
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Degree of shade tolerance shapes seasonality of chlorophyll, nitrogen and phosphorus levels of trees and herbs in a temperate deciduous forest
Forest productivity is closely linked to seasonal variations and vertical differentiation in leaf traits. However, leaf structural and chemical...
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A non-destructive, low cost and high throughput colorimetric method for chlorophyll estimation in rice (Oryza sativa L.)
Leaf chlorophyll is an important biochemical parameter used to assess plant health under stress. Chlorophyll is invariably estimated using...
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Responses of Rice Photosynthesis and Yield to Elevated CO2 Concentrations: A Quantitative Analysis via Chlorophyll Fluorescence Technology
Scientific evidence indicates that elevated atmospheric CO 2 concentrations (e[CO 2 ]) have a significant impact on rice production. Further systematic...
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Reduced expression of chlorophyllide a oxygenase (CAO) decreases the metabolic flux for chlorophyll synthesis and downregulates photosynthesis in tobacco plants
Chlorophyll b is synthesized from chlorophyllide a , catalyzed by chlorophyllide a oxygenase ( CAO ). To examine whether reduced chlorophyll b content...
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Measurement of the Kinetics of Chlorophyll a Fluorescence by an LED-Light Source Fluorimeter, Handy PEA
The chlorophyll a fluorescence measurement method is used to determine the efficiency of the photosynthetic apparatus and to assess the physiological... -
Extraction of chlorophyll a from Tetradesmus obliquus—a method upgrade
Nowadays, the use of algae is prevalent for both industrial and agricultural purposes. The determination of chlorophyll (Chl) content is a commonly...
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A new spectral index for estimation of wheat canopy chlorophyll density: considering background interference and view zenith angle effect
Remote sensing (RS) estimation of chlorophyll density serves as an effective measure to assess crop nitrogen (N) nutrition status and guide precision...
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Spatial and Seasonal Variability of the Chlorophyll a Concentration in the Barents Sea
AbstractVariations in the surface chlorophyll a concentration (Chl-a) measured during 25 cruises conducted from 1984 to 2020 were investigated in...
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Integrating Reservoirs into the Dissolved Organic Matter Versus Primary Production Paradigm: How Does Chlorophyll-a Change Across Dissolved Organic Carbon Concentrations in Reservoirs?
Primary production in freshwater ecosystems is largely a function of light and nutrient availability, both of which have been changing in many lakes...
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Chlorophyll f can replace chlorophyll a in the soluble antenna of dinoflagellates
Chlorophyll f is a new type of chlorophyll isolated from cyanobacteria. The absorption and fluorescence characteristics of chlorophyll f permit these...
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A quantitative assessment of (bacterio)chlorophyll assignments in the cryo-EM structure of the Chloracidobacterium thermophilum reaction center
Chlorophylls and bacteriochlorophylls are the primary pigments used by photosynthetic organisms for light harvesting, energy transfer, and electron...
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Effects of Nitrogen Deficiency on Photosynthesis and Chlorophyll a Fluorescence Attributes at Two Contrasting Legume Forages
AbstractExploration of genetic resources constitutes an eminent device for the selection of interesting tolerant forage species for nitrogen...
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Chlorophyll a Dimers Bound in the Water-Soluble Protein BoWSCP Photosensitize the Reduction of Cytochrome c
AbstractWhen bound to water-soluble proteins of the WSCP family, chlorophyll molecules form dimers structurally similar to the “special pair” of...
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Melon yellow-green plant (Cmygp) encodes a Golden2-like transcription factor regulating chlorophyll synthesis and chloroplast development
Key messageA SNP mutation in CmYGP gene encoding Golden2-like transcription factor is responsible for melon yellow-green plant trait.
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Variable salinity induced physio-chemical and chlorophyll a fluorescence responses in Kappaphycus alvarezii, a commercial carragenophyte
Kappaphycus alvarezii is cultivated as a commercial source of carrageenan and salinity fluctuations adversely affect the productivity. We report on...
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Fine map** and identification of a novel albino gene OsAL50 that is required for chlorophyll biosynthesis and chloroplast development in rice (Oryza sativa L.)
Leaf color is a highly important agronomic trait, and mutants with altered leaf coloration can serve as excellent models for studies on chloroplast...
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Effects of iron on the growth, chlorophyll a, total lipids, and fatty acids of Chaetoceros lorenzianus
Polyunsaturated fatty acid (PUFA) and eicosapentaenoic acid (EPA) are essential for the health of aquatic organisms and human beings. In order to...
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The Dependence of Chlorophyll a Concentration on Total Phosphorus in Water Bodies with Increasing Water Color
AbstractFor Karelian lakes, it is shown that, as the water color increases, an increase in the total phosphorus content in water leads to a slower...