Published 1975
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Double-labelling technique for the determination of mineral exchange from tree-to-tree
Creators
- 1. CEA Centre d'Etudes Nucleaires de Grenoble, 38 (France). Lab. de Biologie Vegetale
Description
A double-labelling technique with 137Cs and 134Cs is used for the investigation of mineral exchange from tree-to-tree, by the roots or through the soil. Cesium injected into the trunk diffuses rapidly in the whole roots. The diffusion of each tracer in two Epicea, 2 meter distant, is detected at various positions and times. Similar results are obtained with the two tracers. In these Epicea, cultivated under the climatic conditions of Grenoble, there is no mineral exchange from root to root, or through the soil between May and September. Activity measurements were made by γ-spectrometry
Abstract (French)
On a mis au point une technique de double marquage radioisotopique utilisant le 137Cs et le 134Cs pour evaluer l'importance des echanges mineraux, d'arbre a arbre, soit de racine a racine, soit par l'intermediaire du sol. Le cesium injecte dans le tronc d'un arbre diffuse rapidement dans l'ensemble des racines. On a detecte la diffusion de chaque traceur dans deux Epiceas, distants de 2m, a differentes distances et a differents temps. On a constate que le transit des deux traceurs est tout a fait comparable. Dans ces epiceas, cultives dans les conditions climatiques de Grenoble, les echanges mineraux de racine a racine, ou par l'intermediaire du sol, sont pratiquement nuls entre mai et septembre. Les mesures d'activite sont faites par spectrometrie gammaFiles
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Additional details
Additional titles
- Original title (French)
- Technique de double marquage radio isotopique pour evaluer les echanges mineraux d'arbres a arbres
Publishing Information
- Imprint Title
- Microanalysis in plants. Ion and electron probes, laser and mass spectrometry, EPR in vivo, radioactivation, double labelling
- Journal Page Range
- p. 73-77.
- Report number
- CEA-CR--9(vol.1)
Conference
- Title
- Root study group seminars.
- Dates
- 21 - 23 Oct 1975.
- Place
- Grenoble, France.
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 8340569
- Subject category
- S62: RADIOLOGY AND NUCLEAR MEDICINE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- CESIUM; CESIUM 134; CESIUM 137; DIFFUSION; DOUBLE LABELLING; GAMMA SPECTROSCOPY; ROOTS; SEASONAL VARIATIONS; TRACER TECHNIQUES; TREES
- Descriptors DEC
- ALKALI METALS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CESIUM ISOTOPES; ELEMENTS; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTO; ISOMERIC TRANSITION ISOTOPES; ISOTOPE APPLICATIONS; ISOTOPES; LABELLING; METALS; NUCLEI; ODD-EVEN NUCLEI; ODD-ODD NUCLEI; PLANTS; RADIOISOTOPES; SPECTROSCOPY; VARIATIONS; YEARS LIVING RADIOISOTOPES
Optional Information
- Notes
- Imprint:Microanalyse dans les vegetaux. Sondes ioniques et electroniques, laser et spectrometrie de masse, RPE in vivo, radioactivation, double marquage radioactif.;Compte rendu des seminaires du Groupe d'Etude des Racines. Grenoble, 21-23 octobre 1975.