Results 151 to 160 of about 2,566 (179)

Phytotoxicity of silver nanoparticles to Lemna minor L

Environmental Pollution, 2011
The use of silver nanoparticles (AgNPs) in commercial products has increased significantly in recent years. Although there has been some attempt to determine the toxic effects of AgNPs, there is little information on aquatic plants which have a vital role in ecosystems. This study reports the use of Lemna minor L.
Eva J, Gubbins, Lesley C, Batty, Jamie R, Lead   +2 more
openaire   +2 more sources

The rhizosphere of an aquatic plant (Lemna minor)

Canadian Journal of Microbiology, 1969
Dominant epiphytes colonizing the surface of Lemna minor were identified and enumerated. The distribution of these organisms compared to populations on inert surfaces at depths 0, [Formula: see text], 1, 2, 4 and 8 in. revealed greater than a 100-fold increase in population density. This enhanced carrying capacity of the plant diminished with depth.
R A, Coler, H B, Gunner
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Alumina nanoparticles enhance growth of Lemna minor

Aquatic Toxicology, 2011
The industrial use of nanoparticles is rapidly increasing, and this has given rise to concerns about potential biological impacts of engineered particles released into the environment. So far, relatively little is known about uptake, accumulation and responses to engineered nanoparticles by plants. In this study, the effects of alumina nanoparticles on
Guillaume, Juhel, Emeline, Batisse, Quitterie, Hugues, Deirdre, Daly, Frank N A M, van Pelt, John, O'Halloran, Marcel A K, Jansen   +6 more
openaire   +2 more sources

Interpretation of Adaptive Plasticity in Lemna minor

Oikos, 1992
The adaptive significance of plasticity was evaluated for eight genotypes of Lemna minor L. based on two inter-related assumptions: a display of plasticity in the form of increased growth rate after environmental amelioration is directly more adaptive than an absence of plasticity; and a display of plasticity in the form of decreased growth rate after ...
Liette Vasseur, Lonnie W. Aarssen
openaire   +1 more source

TRANSLOCATION EXPERIMENTS IN THE FIELD WITH THE LEMNA GIBBA - LEMNA MINOR COMPLEX

Acta Botanica Neerlandica, 1974
SUMMARY Translocation of a clone of the flat form of the Lemna gibba – Lemna minor complex to the site of a gibbous population resulted in a persistence of the flat form, which is indicative of a genetical basis of the frond shape of this flat clone.
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INDUCTION OF FLOWERING IN LEMNA MINOR BY EDDHA

Acta Botanica Neerlandica, 1972
SUMMARY The effect of EDDHA (ethylenediamine-di-o-hydroxyphenylacetic acid) on growth and flowering of Lemna minor cultured in M-medium was investigated. It was observed that inclusion of this compound induced flowering in this plant. The maximum flowering was observed in a medium supplemented with 15 ppm of this metal chelate.
P. R. Bhalla, P. S. Sabharwal
openaire   +1 more source

Further Oxygenated Fatty Acids from Lemna minor

Journal of Natural Products, 1987
In a re-investigation of the aquatic plant Lemna minor, two novel cyclopen-tanoid Cl6 fatty acids, 6a and 7a, have been isolated and characterized as the corresponding methyl esters on the basis of their physical and chemical features. A biogenetic pathway similar to that of the prostaglandins is suggested for these compounds. © 1987, American Chemical
L. Previtera, MONACO, Pietro
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A COMPARATIVE STUDY OF THE MORPHOLOGY OF LEMNA GIBBA L. AND LEMNA MINOR L.

Acta Botanica Neerlandica, 1973
SUMMARY Fifteen strains of subgenus Lemna, collected in ponds and ditches in the western part of The Netherlands, strain G3 (previously described as Lemna gibba) and strains 6573 and F (previously described as Lemna minor) were aseptically cultured on M-medium in the presence and absence of EDDHA. When cultivated on EDDHA medium the strains showed a
L. De Lange, A. H. Pieterse
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2017
The systems over of double concentric membranes given in relation to forming are brought in the cages of Lemna minor L. from river Zbruch is in the conditions of complex contamination of water by heavy metals. The set correlation is between the dynamics of maintenance in the duckweed of heavy metals and size of radius of her cages, and also expressed ...
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Comparison of Lemna gibba and Lemna minor from the production ecological viewpoint

Aquatic Botany, 1975
The production capacity and competitive ability in two duckweed species (Lemna gibba L. and L. minor L.), both originating from South Bohemian fishponds, are compared. The results of both laboratory and field experiments have proved that the relative growth rate (RGR) of Lemna gibba exceeds that of L. minor.
openaire   +1 more source