Chlorophyll a fluorescence
Fluorescence based approach to estimate the chlorophyll a concentration of a phytoplankton bloom in Ardley Cove (Antarctica)
... prevent chlorophyll-a decomposition. Extracted chlorophyll-a was stored for 24 h in a ...Total chlorophyll-a was measured from its supernatant with three readings using a fluorometer ...
15
HEAT TOLERANCE OF PORTUGUESE OLD BREAD WHEAT VARIETIES
... The maintenance of chlorophyll a fluorescence values in most of the genotypes further agrees with the impact on cell membranes. Differences in membrane selectivity and membrane injury have been widely used ...
10
The effect of physiological age of potato plants on chosen chlorophyll fluorescence parameters
... the chlorophyll a fluorescence kinetics (Strasser et ...the chlorophyll fluorescence techniques are used for assessment of potato genotypes tolerant and sensitive to environmental stresses ...
6
Blue fluorescence of NADPH as an indicator of marine primary production
... of fluorescence at this wavelength (data not ...of chlorophyll a fluorescence at 680 nm and a decrease of the 460 nm blue-fluorescence of about 17 to 27 % ...
8
A rapid, non-invasive procedure for quantitative assessment of drought survival using chlorophyll fluorescence
... by chlorophyll a fluorometry [25,26] may potentially pro- vide a means to determine plant viability and perform- ance in response to ...of chlorophyll fluorescence by probe-based systems has been ...
14
Fusarium Wilt Tropical Race 4 – Biosecurity and Sustainable Solutions
... OJIP chlorophyll a fluorescence transient is a better parameter than Fv/Fm for evaluating plant stress (de Oliveira et ...the fluorescence transient from the intensity at 20 µs (F0), to the intensity ...
225
Chlorophyll Fluorescence as an Indicator of Cellular Damage by Glyphosate Herbicide in Raphanus sativus L Plants
... of chlorophyll fluorescence can provide measurements that help assess the effect of herbicide, being good indi- cator of the damage to photosynthetic apparatus promoted by ...measuring chlorophyll a ...
12
Application of portable fluorometer for estimation of plant tolerance to abiotic factors
... by chlorophyll a fluorescence (Hall and Rao, ...by chlorophyll as fluorescence emission (Lichten- thaler, 1988a; Lichtenthaler and Rinderle, ...that chlorophyll fluorescence can ...
6
Fluorescence of Chlorophyll a for Discovering Inhibitors of Photosynthesis in Plant Extracts
... 2(b). Chlorophyll a fluorescence is an in- trinsic evidence of the photosynthetic system and the intensity of the fluorescence is a direct measure of the PS II ...the fluorescence curve ...
11
Estimating chlorophyll-a absorption with the Total Algae Peak Integration Retrieval TAPIR considering chlorophyll-a fluorescence from hyperspectral top of the atmosphere signals in optically complex waters
... Estimating chlorophyll-a absorption with the Total Algae Peak Integration Retrieval TAPIR considering chlorophyll-a fluorescence from hyperspectral top of the atmosphere signals in optic[r] ...
18
Identification of pesticide residue level in lettuce based on hyperspectra and chlorophyll fluorescence spectra
... with chlorophyll fluorescence spectra was used in this ...and chlorophyll fluorescence spectra data of 150 lettuce leaf samples at five different concentrations of pesticide residues were ...
9
RELATION OF ALTERED PROTEIN EXPRESSION WITH CHLOROPHYLL FLUORESCENCE IN TEA UNDER WATER STRESS
... Drought induced-altered synthesis of large variety of proteins have been reported by Pareek et at. (1999). These gene products have been characterized with potential adaptive functions, such as enzymes that synthesize ...
5
Automated integrative high-throughput phenotyping of plant shoots: a case study of the cold-tolerance of pea (Pisum sativum L.)
... Chl fluorescence and digital RGB imaging from three optical ...Chl fluorescence and RGB imaging were stored in a data- base server, and analyzed either by the software provided by the manufacturer or by the ...
11
Measurement of chlorophyll fluorescence as a heat stress indicator in tomato: Laboratory and greenhouse comparisons
... linked chlorophyll fluorescence to a ‘thermal kinetic window’ (TKW), established originally by enzymatic assays (glyoxylate reductase in Burke et ...the fluorescence parameter, F v /F o (the ratio of ...
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
Measuring the dynamic photosynthome
... Time-consuming measurements such as carbon assimila- tion parameters (through an infrared gas analyser, IRGA) that directly measure carbon assimilation can be very insightful and certainly can capture dynamic changes in ...
14
Computer reconstruction of plant growth and chlorophyll fluorescence emission in three spatial dimensions
... of fluorescence emission ...example, fluorescence measurements of whole plants can be more affected by leaf age or the proportion of veins and lamina than by the angle effect ...
20
CHLOROPHYLL FLUORESCENCE MICROSCREENING AS A RAPID DETECTION METHOD FOR HERBICIDE RESISTANCE IN GRASS WEEDS IN NORTH CHINA PLAIN WINTER WHEAT PRODUCTION SYSTEMS AND BEYOND
... the chlorophyll fluorescence microscreening test to accelerate the detection of herbicide resistance with a minimum requirement of space and ...existing chlorophyll fluorescence based ...
10
Efficacy of reduced doses of bentazone assessed by instruments based on measurement of chlorophyll fluorescence
... Chlorophyll fl uorescence is a type of radiation with specifi c wavelength (approximately 685 nm) which is naturally emitted by plants as unused part of energy absorbed from sunlight. Its intensity de- pends on many ...
8
Establishment of integrated protocols for automated high throughput kinetic chlorophyll fluorescence analyses
... PSII fluorescence emission is especially suited to moni- tor physiological traits via changes in photochemistry ...[7]. Chlorophyll fluorescence imaging (CFI) represents a non-destructive method that ...
16