Sun-induced chlorophyll fluorescence
Remote sensing of red and far-red sun-induced chlorophyll fluorescence to estimate gross primary productivity and plant stress in sugar beet
... Since fluorescence measured from space suffers from spatiotemporal gaps due to cloud contamination, pure remote sensing based GPP estimates will only be able to track seasonal ...using sun induced ...
158
Sun induced chlorophyll fluorescence II: review of passive measurement setups, protocols, and their application at the leaf to canopy level
... a better representation of both the sensor and optics characteristics (e.g., FWHMs or SRFs, FOV Response Function), data links (irradiance data link, uncertainty information linked to the traceability chain), ...
33
A linear method for the retrieval of sun-induced chlorophyll fluorescence from GOME-2 and SCIAMACHY data
... near-infrared sun-induced chlorophyll fluorescence (SIF) have been achieved in the last few years by means of a number of space-borne at- mospheric ...
20
Simulating solar induced chlorophyll fluorescence in a boreal forest stand reconstructed from terrestrial laser scanning measurements
... leaf fluorescence model ...into sun and shade adapted parts and assign them specific optical properties and fluorescence yields as a function of light regime or incoming PAR (Gastellu-Etchegorry et ...
15
A gene required for the regulation of photosynthetic light harvesting in the cyanobacterium Synechocystis PCC6803
... In the past, phosphorylation-induced changes in the interactions of photosynthetic complexes, such as LHCII with PS2, were hypothesised to occur by long-range electrostatic effects (Allen 1992). However, recent ...
174
Laser-Induced Fluorescence of Wet Porous Silicon as Laser-Induced Fluorescence of H3O+
... laser-induced fluorescence of porous silicon modified with aqueous solutions of biopolymers is due, in fact, to the fluorescent particles of positively charged water, which pass from the hydrated shells of ...
5
The effect of physiological age of potato plants on chosen chlorophyll fluorescence parameters
... of chlorophyll fluores- cence in the future to evaluate a large number of potato genotypes in terms of their tolerance to high temperatures and drought during the grow- ing ...
6
HEAT TOLERANCE OF PORTUGUESE OLD BREAD WHEAT VARIETIES
... Wheat is a major staple crop, and its grain yield is affected by heat stress. Such environmental constraint frequently occurs in the main Portuguese wheat producing regions. The aim of this work was to evaluate the ...
10
DROUGHT-INDUCED CHANGES AND RECOVERY OF PHOTOSYNTHESIS IN TWO BEAN CULTIVARS(PHASEOLUS VULGARIS L.)
... period was accompanied by such large changes in the relative quantum efficiency of electron flux through PSII-Y (Table 2). This suggests that decrease in the ability to regenerate RuBP can be attributed to a reduction in ...
10
Application of the chlorophyll fluorescence ratio in evaluation of paddy rice nitrogen status
... laser-induced fluorescence (LIF) technique combined with back-propagation neural network (BPNN) was employed to analyse different nitrogen (N) fertilization levels in paddy ...Leaf fluorescence ...
6
Effects of salt stress on water status, photosynthesis and chlorophyll fluorescence of rocket
... Salinity is a significant environmental factor affecting physiological processes in plants. This study monitors the ef- fect of salt stress induced by the NaCl solution (0 – deionized water; 50, 100, 200, 300 ...
6
Deep chlorophyll maxima in small boreal forest lakes after experimental catchment and shoreline logging
... Discrete samples were collected for the fol- lowing analyses: total nitrogen (TN), total phos- phorus (TP), dissolved organic carbon (DOC), chlorophyll a, and phytoplankton identifi cation. Typically between fi ve ...
10
Phenoplant: a web resource for the exploration of large chlorophyll fluorescence image datasets
... phenotyping, chlorophyll fluorescence imaging allows imaging of the impact of biotic or abiotic stresses on ...Numerous chlorophyll fluorescence parameters may be measured or calculated, but ...
12
Chlorophyll Fluorescence as an Indicator of Cellular Damage by Glyphosate Herbicide in Raphanus sativus L Plants
... The chlorophyll a (Figures 2(a)-(b)) and b (Figures 2(c)-(d)) contents decreased with increasing herbicide ...in chlorophyll a content were observed at 120 hours post-applica- tion and doses greater than ...
12
Identification of pesticide residue level in lettuce based on hyperspectra and chlorophyll fluorescence spectra
... Hyperspectral imaging technology coupled with chlorophyll fluorescence spectra was used to identify the pesticide residue concentration in lettuce leaves in this study. A method involving wavelet transform ...
9
RELATION OF ALTERED PROTEIN EXPRESSION WITH CHLOROPHYLL FLUORESCENCE IN TEA UNDER WATER STRESS
... desiccation induced-proteins studied in this investigation showed a precipitous decrease during desiccation because of relinquishment of their innate ...drought induced gene products after watering ...
5
Establishment of integrated protocols for automated high throughput kinetic chlorophyll fluorescence analyses
... The described incorporation of CFI systems into exist- ing automated HT phenotyping platforms substantially extends the feature spectrum to be extracted through the simultaneous assessment of plant architectural and ...
16
Measurement of chlorophyll fluorescence as a heat stress indicator in tomato: Laboratory and greenhouse comparisons
... the sun all day and subjecting the high temperature plants to sudden increases and decreases in leaf temperature, the plants were turned throughout the day to expose the measured leaves to either shade or ...
7
Detecting herbicide-resistant Apera spica-venti with a chlorophyll fluorescence agar test
... a chlorophyll fluorescence agar-based test on herbicide resistance in Apera spica-venti ...herbicides. Chlorophyll fluorescence was measured and the maximum quantum efficiency of photosystem ...
7
CHLOROPHYLL FLUORESCENCE MICROSCREENING AS A RAPID DETECTION METHOD FOR HERBICIDE RESISTANCE IN GRASS WEEDS IN NORTH CHINA PLAIN WINTER WHEAT PRODUCTION SYSTEMS AND BEYOND
... In unstressed leaves Fv/Fm is approximately 0.83. This value is independent of the plant species. Lower values indicate that a proportion of the PS II reaction centers are inhibited due to stress conditions, for example ...
10