Results 321 to 330 of about 546,003 (354)
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Journal of Plant Nutrition, 1998
Abstract Manganese (Mn) toxicity in plants is often not a clearly identifiable disorder. Symptoms of Mn toxicity as well as the concentration of Mn that causes toxicity vary widely among plant species and varieties within species, perhaps because the phytotoxic mechanisms of Mn involve different biochemical pathways in different plant genotypes.
Douglas A. Cox, Touria El-Jaoual
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Abstract Manganese (Mn) toxicity in plants is often not a clearly identifiable disorder. Symptoms of Mn toxicity as well as the concentration of Mn that causes toxicity vary widely among plant species and varieties within species, perhaps because the phytotoxic mechanisms of Mn involve different biochemical pathways in different plant genotypes.
Douglas A. Cox, Touria El-Jaoual
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The Botanical Review, 2000
Mercury poisoning has become a problem of current interest as a result of environmental pollution on a global scale. Natural emissions of mercury form two-thirds of the input; manmade releases form about one-third. Considerable amounts of mercury may be added to agricultural land with sludge, fertilizers, lime, and manures.
Archana Sharma, Manomita Patra
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Mercury poisoning has become a problem of current interest as a result of environmental pollution on a global scale. Natural emissions of mercury form two-thirds of the input; manmade releases form about one-third. Considerable amounts of mercury may be added to agricultural land with sludge, fertilizers, lime, and manures.
Archana Sharma, Manomita Patra
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The Journal of Agricultural Science, 1912
The writer has pointed out the influence that some agricultural plants have on others when grown in close proximity to them. It was demonstrated (inter alia) that a row of Sesamum indicum (gingelly), when sown at a distance of two feet from a row of Sorghum vulgare (great millet), will not mature, the plants dying after reaching a height of a few ...
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The writer has pointed out the influence that some agricultural plants have on others when grown in close proximity to them. It was demonstrated (inter alia) that a row of Sesamum indicum (gingelly), when sown at a distance of two feet from a row of Sorghum vulgare (great millet), will not mature, the plants dying after reaching a height of a few ...
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Communications in Soil Science and Plant Analysis, 1977
Abstract The toxicity of Li to three plant species was studied to determine if there were interactions with other elements and to determine if a chelating agent modified Li toxicity. Bush beans (Phaseolus vulgarls L. C.V. Improved Tendergreen), grown in solution culture, were sensitive to 0.5 X10‐3Li which resulted in 10 μg/g in leaves, 48 in stems ...
E. M. Romney +3 more
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Abstract The toxicity of Li to three plant species was studied to determine if there were interactions with other elements and to determine if a chelating agent modified Li toxicity. Bush beans (Phaseolus vulgarls L. C.V. Improved Tendergreen), grown in solution culture, were sensitive to 0.5 X10‐3Li which resulted in 10 μg/g in leaves, 48 in stems ...
E. M. Romney +3 more
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Toxicity and uptake of nitroguanidine in plants
Bulletin of Environmental Contamination and Toxicology, 1990During the manufacture of the munition nitroguanidine (NQ), wastewater is contaminated by NQ and related by-products. Land application of the NQ-contaminated wastewater was initiated after discussions with the Kansas Department of Health and the Environment and the US Environmental Protection Agency.
R. H. Hodgson +2 more
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2010
Evolution of Plant Ribosome-Inactivating Proteins.- RNA N-Glycosidase Activity of Ribosome-Inactivating Proteins.- Enzymatic Activities of Ribosome-Inactivating Proteins.- Type I Ribosome-Inactivating Proteins from Saponaria officinalis.- Type 1 Ribosome-Inactivating Proteins from the Ombu Tree (Phytolacca dioica L.).- Sambucus Ribosome-Inactivating ...
Martin R. Hartley, J. Michael Lord
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Evolution of Plant Ribosome-Inactivating Proteins.- RNA N-Glycosidase Activity of Ribosome-Inactivating Proteins.- Enzymatic Activities of Ribosome-Inactivating Proteins.- Type I Ribosome-Inactivating Proteins from Saponaria officinalis.- Type 1 Ribosome-Inactivating Proteins from the Ombu Tree (Phytolacca dioica L.).- Sambucus Ribosome-Inactivating ...
Martin R. Hartley, J. Michael Lord
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Agriculture and Environment, 1982
The toxicity of ammonia was evaluated and an estimate is given of (mass) concentration for no adverse effect: 75 μg/m3 for a yearly average, 600 μg/m3 for 24 h and 10 000 μg/m3 for 1 h. Ammonia can cause various types of injury, including necrosis, growth reduction, growth stimulation and increased frost sensitivity.
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The toxicity of ammonia was evaluated and an estimate is given of (mass) concentration for no adverse effect: 75 μg/m3 for a yearly average, 600 μg/m3 for 24 h and 10 000 μg/m3 for 1 h. Ammonia can cause various types of injury, including necrosis, growth reduction, growth stimulation and increased frost sensitivity.
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2017
This review looks critically at the relevance of lead (Pb2+) toxicity and proposed mechanisms of Pb2+ -induced stress in algae and higher plants. As a basis, the current main sources of Pb2+ contamination in the environment are presented, which include agriculture, industry, and road traffic. Further, bioavailability of lead is discussed as a basis for
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This review looks critically at the relevance of lead (Pb2+) toxicity and proposed mechanisms of Pb2+ -induced stress in algae and higher plants. As a basis, the current main sources of Pb2+ contamination in the environment are presented, which include agriculture, industry, and road traffic. Further, bioavailability of lead is discussed as a basis for
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Plant responses to metal toxicity
Comptes Rendus de l'Académie des Sciences - Series III - Sciences de la Vie, 1999Metal toxicity for living organisms involves oxidative and/or genotoxic mechanisms. Plant protection against metal toxicity occurs, at least in part, through control of root metal uptake and of long distance metal transport. Inside cells, proteins such as ferritins and metallothioneins, and glutathion-derived peptides named phytochelatins, participate ...
Jean-François Briat, Michel Lebrun
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Mechanisms of metal toxicity in plants
Metallomics, 2016Metal toxicity in plants is still a global problem for the environment, agriculture and ultimately human health.
Elisa Andresen +2 more
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