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The effect of electromagnetic radiation from the Skrunda Radio Location Station on Spirodela polyrhiza (L.) Schleiden cultures

PUBLISHED | 1996 in Science of The Total Environment [IF: 4.90]
DOI | 10.1016/0048-9697(95)04922-3
Abstract The effect of electromagnetic radiation from the Skrunda Radio Location Station was studied on the vegetative growth and morphology of the duckweed Spirodela polyrhiza (L.) Schleiden plant in the next generation. The impact of plant development stage and length of the exposure period were examined. The effect of short-term (5-day) exposures of Spirodela cultures depended on the stage of development at the time of exposure. Generally, the vegetative reproduction rate was accelerated in the first 20 days after the end of exposure. Exposure of plants just beginning formation lowered the vegetative growth rate. Eighty-eight-hour exposure caused the appearance of some abnormal individuals after 30 days of growth. At 55 days, various morphological and developmental abnormalities appeared in 6–10 daughter plants from 10 exposed mother plants, compared with 0.1 plants per 10 in the control condition. Plants developed completely to daughter fronds under exposure from the electromagnetic field had a shorter life-span (67 days compared to 87 days in the control) and fewer subsequent daughters (total eight compared to 10 in the control group).
I. Theoretical Considerations.- 1. Introduction.- 2. Simple Theoretical Models for Magnetic Interactions with Biological Units.- 3. Basic Concepts Related to Magnetic Fields and Magnetic Susceptibility.- 4. The Vector Character of Field and Gradient and Its Possible Implications for Biomagnetic Experiments and Space Travel.- 5. Rotational Diffusion in a Magnetic Field and Its Possible Magnetobiolo...
Cited 281 Source
A. Romančuks1
Estimated H-index: 1
(Latvian Academy of Sciences),
R. Križbergs1
Estimated H-index: 1
(Latvian Academy of Sciences),
T. Kalniņš1
Estimated H-index: 1
(Latvian Academy of Sciences)
This paper describes measurements of electromagnetic radiation intensity around the Skrunda Radio Location Station that were made in an attempt to provide the best possible data for biological effect studies, considering the available equipment and knowledge. The measured intensities fit expected patterns with distance from the source. The measured pulse intensities radiated by the Skrunda Radio L...
Cited 9 Source Cite this paper
Phytotoxicity tests using higher plants in general are infrequently used as a part of ecotoxicology. Many reports assess herbicide toxicity merely on the basis of faunal species tests. This is inadequate because the herbicide impact is much greater on flora than on fauna. Environmental pollution by herbicides was likely to have been quite wide-spread during the past years (1964–1984) when the use ...
Ref 78Cited 113 Source Cite this paper
1989 in Journal of Plant Physiology [IF: 3.12]
V. S. Jaiswal6
Estimated H-index: 6
(Banaras Hindu University),
Alaka Srivastava3
Estimated H-index: 3
(Banaras Hindu University)
Summary Effect of cadmium on turion formation and germination of Spirodela polyrrhiza L. (SP 20 ) was studied. Cadmium inhibited the general growth of the plants but induced and stimulated turion formation. In control media, plants could produce turions after about 30 days of inoculation, in the presence of 10mg1 -1 of Cd, turion formation started even after 10 days of exposure. However cadmium in...
Cited 9 Source Cite this paper
1990 in Environmental Research [IF: 3.83]
Wuncheng Wang1
Estimated H-index: 1
Duckweed commonly refers to a group of floating, flowering plants of the family Lemnaceae. Duckweed plants are fast growing and widely distributed. They are easy to culture and to test. Some reports suggest that duckweed plants are tolerant to environmental toxicity. Other studies, however, indicate that duckweed plants are as sensitive to toxicity as other aquatic species. Duckweed plants are esp...
Cited 179 Source Cite this paper
V. Valenčič1
Estimated H-index: 1
D. Križaj1
Estimated H-index: 1
Biological systems are composed of subsystems having optima related to different environmental conditions. Roots and shoots in plants represent one such example—differential growth of root and shoot tissue in plants is coordinated by control mechanisms where a stimulatory effect in one often is inhibitory for the other. Can different intensities of magnetic field elicit differential responses in b...
Cited 20 Source Cite this paper
1961 in Botanical Review [IF: 2.77]
William S. Hillman13
Estimated H-index: 13
(Yale University)
Cited 261 Source Cite this paper
1977 in Physics Letters A [IF: 1.77]
F. Keilmann1
Estimated H-index: 1
(Max Planck Society),
W. Grundler1
Estimated H-index: 1
H. Fröhlich1
Estimated H-index: 1
Abstract The growth behaviour of yeast cultures in aqueous suspension was monitored by visible light extinction and showed an exponential growth rate reproducible within ±3% limits. When the cultures were irradiated by c.w. microwave fields of a few mW/cm 2 the growth rate either stayed constant or was considerably enhanced or reduced depending on the frequency around 42 GHz. A spectral fine struc...
Cited 100 Source Cite this paper
Douglas W. Dunlop1
Estimated H-index: 1
(University of Wisconsin–Milwaukee),
Barbara L. Schmidt1
Estimated H-index: 1
(University of Wisconsin–Milwaukee)
Cited 11 Download Pdf Cite this paper
1988 in Plant and Cell Physiology [IF: 4.76]
Ryoichi Kato3
Estimated H-index: 3
Cited 21 Source Cite this paper
Cited by27
Sreeramanan Subramaniam8
Estimated H-index: 8
(Universiti Sains Malaysia),
Maziah Mahmood8
Estimated H-index: 8
(Universiti Putra Malaysia),
Bee OoiBee1
Estimated H-index: 1
... (1 others)
The effects of electromagnetic fields (EMF) strengths of 0, 10, 20, 40, 60, 80, 100 and 120 kV/m were investigated using protocormlike bodies (PLBs) of Oncidium taka orchid cultures under in vitro condition. Various biochemical and antioxidant system changes in PLBs were investigated. The results obtained reveal the potential of using 40 kV/m electric field strength stimulated production of higher...
Cited 1 Download Pdf
2006 in Acta Astronautica [IF: 1.54]
J. W. Skiles1
Estimated H-index: 1
(Ames Research Center)
Abstract The solar power satellites (SPS) concept envisions an array of satellites in Earth orbit where they will collect solar energy and beam it to Earth. One transmission method is to use microwaves at 2.45 GHz. It is uncertain what the long-term effects will be of continuous microwave energy illumination of the biosphere. An experiment was done that exposed alfalfa to continuous microwave ener...
Cited 8 Source Cite this paper
2013 in Biotechnology Advances [IF: 10.60]
Sergio J. Ochatt18
Estimated H-index: 18
(Institut national de la recherche agronomique)
Abstract The use and exploitation of electrophysiology with plant cells have witnessed a slow but steady increase for a number of purposes in recent years. First envisaged only as a tool for the recovery of somatic hybrid plants following protoplast electrofusion, or for transient and/or stable genetic transformation following electroporation-mediated entry of foreign genes into protoplasts and ce...
Cited 9 Source Cite this paper
2004 in Environmental Toxicology [IF: 2.94]
Danute Marciulioniene3
Estimated H-index: 3
Danguole Montvydiene3
Estimated H-index: 3
The toxicities of copper, chromium, cadmium, nickel, manganese, zinc, and lead ions and various concentrations of mixtures of them were studied using the aquatic plant Spirodela polyrrhiza and the terrestrial plant Lepidium sativum. The composition of the model mixture was based on average analytical data of the annual amounts of representative heavy metals (HM) in wastewater discharged from the I...
Ref 31Cited 46 Source Cite this paper
John M. Emlen26
Estimated H-index: 26
(United States Geological Survey),
Concepción L. Alados24
Estimated H-index: 24
(Spanish National Research Council),
Mary Tracy2
Estimated H-index: 2
(Wayne State University)
... (2 others)
Developmental instability is often assessed using deviations from perfect bilateral symmetry. Here, we review the literature describing previous studies, suggest mechanisms that may account for both the generation and disruption of bilateral symmetry, and examine the influence of electromagnetic fields on the asymmetry of soybean leaves. Leaves from plants under high‐voltage power lines generating...
Cited 25 Download Pdf Cite this paper
M. Popa , A. Miteluţ , M. Geicu ... (2 others)
Nowadays, the consumers demand high quality and safety products with “fresh like” taste. Thermal pasteurization is quite efficient in preventing microbial spoilage of food products but the applied heat may also cause undesirable biochemical and nutritious changes which may affect overall quality of the final product. High voltage pulsed electric fields (PEF) treatment, which is an alternative meth...
Download Pdf
Zeljka Vidakovic-Cifrek1
Estimated H-index: 1
(University of Zagreb),
Mirta Tkalec13
Estimated H-index: 13
(University of Zagreb),
Roman Malarić9
Estimated H-index: 9
(University of Zagreb)
... (2 others)
Allium cepa seeds were exposed to 900 MHz EMF in GTEM cell at four different field strengths (10, 23, 41 and 120 Vm -1 ) for 2 h. The effect of longer exposure time (4 h) and modulation was also investigated. Germination rate and root length did not change significantly after EMF exposure. However, EMF at higher strengths (41 and 120 V m -1 ) and with modulation as well as longer exposure signific...
Cited 1 Source Cite this paper
Željka Vidaković-Cifrek8
Estimated H-index: 8
(University of Zagreb),
Mirta Tkalec13
Estimated H-index: 13
(University of Zagreb),
Branka Pevalek-Kozlina16
Estimated H-index: 16
(University of Zagreb)
... (2 others)
Abstract The effects of exposure to radiofrequency electromagnetic fields (RF-EMFs) on seed germination, primary root growth as well as mitotic activity and mitotic aberrations in root meristematic cells were examined in Allium cepa L. cv. Srebrnjak Majski. Seeds were exposed for 2 h to EMFs of 400 and 900 MHz at field strengths of 10, 23, 41 and 120 V m −1 . The effect of longer exposure time (4 ...
Cited 66 Source Cite this paper
2013 in Environment International [IF: 7.09]
S. Cucurachi1
Estimated H-index: 1
(Leiden University)
article Objective: This article presents a systematic review of published scientific studies on the potential ecological effects of radiofrequency electromagnetic fields (RF-EMF) in the range of 10 MHz to 3.6 GHz (from amplitude modulation, AM, to lower band microwave, MW, EMF). Methods:Publications in English were searched in ISI Web of Knowledge and Scholar Google with no restriction on publicat...
Cited 43 Download Pdf Cite this paper