chlorophyll a


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Related to chlorophyll a: chlorophyll b, chlorophyll c

chlor·o·phyll a

magnesium(II) pheophytinate a [(pheophytinato a)magnesium(II)]; the major pigment found in all oxygen-evolving photosynthetic organisms (higher plants, and red and green algae).
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References in periodicals archive ?
For chlorophyll a, there are two major absorption bands, Soret and [Q.sub.y] at 443 and 671 nm, respectively.
Spectroscopic Properties of the Interaction between Chlorophyll and Agrochemicals
It suggested that the SPAD was not as sensitive as the two chlorophyll a fluorescence parameters: Fv/Fm and PI.
PERFORMANCE INDEX DERIVED FROM CHLOROPHYLL A FLUORESCENCE INDUCTION CURVE INDICATES THE SALT INDUCED GRAIN YIELD LOSS IN WHEAT
For 'Prata-Ana', direct correlations with high magnitude and significant (p < 0.05) were observed between the leaf contents of N and Mg and the index of chlorophyll a (0.93 and 0.89, respectively).
Chlorophyll index for real-time prediction of nutritional status of 'Prata' banana/Indice de clorofila para predicao do estado nutricional de bananeiras tipo Prata em tempo real
The energy is passed on to the chlorophyll a who is delighted.
An Ode to PSII
Table 2: Pigment concentration of chlorophyll a, chlorophyll b, carotenoids and anthocyanins measured at four developmental stages in inflorescence bract of 'Red' and 'Yellow' cultivars of C.
Effects of Shading Treatments on Pigmentation and Inflorescence Quality of Calathea crotalifera Bracts
To see whether the slug could actually make new chlorophyll a, Pierce and his colleagues turned to slugs that hadn't fed for at least five months and had stopped releasing digestive waste.
Sea slug steals genes for greens, turns light into energy like a plant: animal can make its own chlorophyll, a new study shows
Chlorophyll a concentrations both inside and outside cages increased significantly with increasing nitrogen load ([r.sup.2] = 0.999(*), [r.sup.2] = 0.965(*); [ILLUSTRATION FOR FIGURE 1 OMITTED]).
Influence of grazing and nitrogen loading on benthic microalgal biomass in estuaries of Waquoit Bay, Massachusetts
(1985); in determining the activity of chlorophyllase, the substrate of chlorophyll a was purchased from Sigma Chemical Company, the enzyme solution (chlorophyllase-containing solution) was prepared according to the methods described by Mosequera-Minguez et al.
Genetic, Physiological and Biochemical Analysis of the Formation of Yellow-green Leaf Color of Burley Tobacco (Nicotiana tabacum)
Polyphasic chlorophyll a fluorescence transient in plants and cyanobacteria.
DIURNAL CHANGES IN GAS EXCHANGE AND CHLOROPHYLL FLUORESCENCE IN GINKGO LEAVES UNDER FIELD CONDITIONS
Traits evaluated include: chlorophyll a (g/g leaf), chlorophyll b(g/g leaf), chlorophyll ab(g/g leaf) total chlorophyll (spad), yield per hectare (kg/ha) and stomatal Conductance (mmol H2o.
Evaluation of physiological traits changes in drought stress, the application of potassium and their impact on the yield of mung bean cultivars and promising lines
Taking account mentioned above all research of the effect of [gamma]-radiations of the soil after NATO bombing the plant photosynthesis and relative change of photosynthesis pigments (Chlorophyll a,b) and carotenoides) was based on fluorescence measurement.
Impact of nuclear radiation on plants photosynthesis and chlorophyll content after bombing with [U.sup.328] enriched bombs
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