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Fundamental, Ecological and Agricultural Aspects of Nitrogen Metabolism in Higher Plants : Proceedings of a symposium organized by the Department of Plant Physiology, University of Groningen and the Institute for Soil Fertility, Haren, 9-12 April 1985 - J.T. Lambers

Fundamental, Ecological and Agricultural Aspects of Nitrogen Metabolism in Higher Plants

Proceedings of a symposium organized by the Department of Plant Physiology, University of Groningen and the Institute for Soil Fertility, Haren, 9-12 April 1985

By: J.T. Lambers (Editor), G. Stulen (Editor), J.J. Neeteson (Editor)

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Published: 30th June 1986
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Rinie Hofstra has been a member of the Department of Plant Physiology, University of Groningen, the Netherlands, for 24 years. The nearer we came to 31 March 1985, her 65th birthday, the more we all realized how we would miss her - not only scientifically, but also socially. She left her mark on both research and teaching, always with an open mind and willing to change. After her PhD Thesis on 'Nitrogen Metabolism in Tomato Plants' she first continued working in that field, but soon started a joint project with the Department of Plant Ecology on hemiparasites. She then became involved in carbon metabolism, which resulted in her giving a Biotrop Course on C /C metabolism in 3 4 Indonesia. Her own research group, originally working on 'Nitrogen Metabolism', soon embraced 'Energy and Nitrogen Metabolism', as the research on respiration became more and more important. In running her group she showed all sides of her person. She used to stimulate and encourage everyone around her and to integrate the various lines of research. At the same time she always had an open mind for the opinion of all members of her group. And together they regularly criticized and evaluated the various projects and decided how to continue.

Section 1: Uptake and translocation of nitrogen.- 1.1 Regulation of the absorption and release of nitrate by plant cells; A review of current ideas and methodology.- 1.2 The influence of the form and concentration of inorganic nitrogen supplied on nitrogen uptake by Ankistrodesmus falcatus.- 1.3 Nitrate uptake and reduction in sugar-beet seedlings.- 1.4 Effects of root temperature on uptake of nitrate and ammonium ions by barley grown in flowing-solution culture.- 1.5 Nitrate-uptake characteristics of roots as affected by nitrate supply.- 1.6 A substrate cycling model for nitrate uptake by Pisum sativum seedlings: A key to sensitivity of response of net influx to substrate and effectors?.- 1.7 Nitrate and ammonium absorption by plants growing at a sufficient or insufficient level of phosphorus in nutrient solutions.- 1.8 Flow of N and activities of N-assimilating enzymes in roots of N-limited Pisum sativum.- 1.9 Patterns of N uptake, accumulation and assimilation in Lemna gibba when grown with exponentially increasing daily doses of N.- 1.10 Translocation and metabolism of nitrogen: whole plant aspects.- 1.11 Cycling of amino-nitrogen between shoots and roots in wheat seedlings.- 1.12 Nitrogen retranslocation in plants of maize, lupin and cocklebur.- 1.13 Alterations in enrichment of NO3? and reduced-N in xylem exudate during and after an extended plant exposure to 15NO3?.- 1.14 Amino acid loading by minor veins of Commelina benghalensis: An integration of structural and physiological aspects.- 1.15 Tobacco mutants of amino acid membrane transport: uptake of L-valine in leaf discs from the double mutant Valr-2 and its monogenic derivatives.- 1.16 Sink control of amino acid transport into developing seeds of Vicia faba and Pisum sativum.- 1.17 Amino acid efflux from seed coats and from cotyledons of developing and germinating pea seeds.- 1.18 Translocation of labelled nitrogen in oilseed rape.- Section 2: Biochemical aspects.- 2.1 Biochemical aspects of nitrogen metabolism in a whole plant context.- 2.2 An evaluation of the stoichiometry of in vivo nitrate assimilation in Zea mays.- 2.3 Influence of boron on nitrate reductase in roots of Zea mays.- 2.4 The influence of light and dark conditions on the reduction of nitrate in leaves and roots of maize 165.- 2.5 Root contribution to nitrate reduction in barley seedlings (Hordeum vulgare L.).- 2.6 Nitrogen metabolism in plastids of pea roots.- 2.7 Isoforms of glutamine synthetase in chickpea.- 2.8 Partitioning of reduced-nitrogen derived from exogenous nitrate in maize roots: Initial priority for protein synthesis.- 2.9 A cysteine- stimulated in vitro inactivation of barley leaf nitrate reductase.- 2.10 15N nuclear magnetic resonance spectroscopy: a powerful tool to study amino acid biosynthesis in higher plants.- 2.11 Separation of amino acids by high performance liquid chromatography.- 2.12 Glutathione, a tripeptide which may function as a temporary storage compound of excessive reduced sulphur in H2S fumigated spinach plants.- 2.13 The effect of sulfide in the ambient air on amino acid metabolism of spinach leaves.- 2.14 Nitrogen uptake, assimilation and transport in barley in the presence of atmospheric nitrogen dioxide.- 2.15 Effect of light quality on the alanine and aspartate aminotransferases in Wolffla arrhiza.- 2.16 Senescence and nitrogen metabolism in annual plants.- 2.17 Water relations of cowpea fruits during development.- 2.18 Turnover of peroxisomal proteins: Mechanistic aspects of catalase turnover in greening sunflower cotyledons.- 2.19 Influence of partial defoliation of green pepper on the senescence, growth, and nitrate reductase of the remaining leaf.- 2.20 Chloroplast lipid constituents from leaves of rape plants as affected by nitrogen.- Section 3: Interactions between C and N metabolism.- 3.1 Interactions between nitrogen and carbon metabolism in a whole plant context.- 3.2 Dependence of nitrate reduction on root soluble carbohydrates in wheat seedlings.- 3.3 Effect of nitrogen nutrition on photosynthetic apparatus of wheat during tillering.- 3.4 The distribution of inorganic nitrogen and nitrate assimilation in different regions of a Zea mays leaf.- 3.5 A photosynthetic and 15N investigation of the differential growth response of barley to nitrate, ammonium, and nitrate + ammonium nutrition.- 3.6 Nitrate or ammonium nutrition in french bean.- 3.7 Modification of 14C photodistribution into C4 acids of maize leaves by type of nitrogen supply.- 3.8 Refixation of photorespiratory ammonia and the role of alanine in photorespiration: studies with 15N.- 3.9 Effects of the glutamine synthetase inhibitor methionine sulfoximine on CO2 fixation in Lemna gibba.- 3.10 Distribution of leaf nitrogen concentration in relation to leaf light exposure in peach tree canopies.- 3.11 A simulation model of growth and C and N metabolism in young maize plants.- Section 4: Ecological aspects.- 4.1 Nitrogen assimilation in an ecological context.- 4.2 Nitrate reduction in the leaves and numbers of nitrifiers in the rhizosphere of Plantago lanceolata, growing in two contrasting sites.- 4.3 Responses of Plantago species to various exponential addition rates of nitrate: A brief report.- 4.4 Growth, ionic balance, proton excretion, and nitrate reductase activity in Alnus and Hippophae supplied with different sources of nitrogen.- 4.5 Effect of nodulation on the nitrate assimilation in vegetative soybean plants.- Section 5: Agricultural aspects.- 5.1 Quantitative relationships for the dependence of growth rate of arable crops on their nitrogen content, dry weight and aerial environment.- 5.2 The course of nitrogen uptake by spring barley from soil and fertilizer nitrogen.- 5.3 Nitrogen assimilation in field-grown winter wheat: Direct measurements of nitrate reduction in roots using 15N.- 5.4 Nitrogen redistribution and its loss in wheat.- 5.5 Influence of the level of nitrogen application on the carbon and nitrogen distribution in selected wheat varieties.- 5.6 Interactions between nitrate uptake and N2 fixation in white clover.- 5.7 Accumulation and reduction of nitrate in cereal plants dependent on N supply.- 5.8 Supply of soil nitrogen to the plant during the growing season.- 5.9 Nitrogen supply from some soil types with various organic matter treatments.- 5.10 Dependence of soil mineral N on N-fertilizer application.- 5.11 A kinetic approach to determine mineralisable soil nitrogen.- 5.12 Distribution of nitrate, exchangeable and non-exchangeable ammonium in the soil-root interface.- 5.13 Fate of sheep urine-N applied to an unfertilised grass sward.- 5.14 Means of preventing nitrate accumulation in vegetables and pasture plants.- 5.15 Nitrate accumulation in spinach: Uptake and reduction of nitrate during a dark or a "low light" night period.- 5.16 The role of nitrate in osmoregulation of Italian ryegrass.- 5.17 Does nitrate play a role in osmoregulation?.- 5.18 Reduction of the nitrate concentration of lettuce grown in recirculating nutrient solution.- 5.19 The effect of nitrogen fertilization on nitrate accumulation and yield of some field vegetables.- The Nitrogen Ballade.- Acknowledgements.

ISBN: 9789024732586
ISBN-10: 9024732581
Series: DEVELOPMENTS IN PLANT AND SOIL SCIENCES
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 508
Published: 30th June 1986
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.5 x 15.5  x 2.8
Weight (kg): 2.02
Edition Number: 91