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7 recherche sur le mot-clé 'CARBON'
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article/chapitre/communication
W. Jeschke ; P. Baumel ; N. Rath ; F. Czygan ; P. Proksch | 1994A recently developed empirically based modelling technique was used to quantify uptake, flow and utilization of C and N in Lupinus albus L., uninfected and parasitized by Cuscuta reflexa Roxb. plants over a 12 d period during flowering and early[...]article/chapitre/communication
W. Jeschke ; N. Rath ; P. Baumel ; F. Czygan ; P. Proksch | 1994Nodulated Lupinus albus L. was grown on quartz sand in the greenhouse and supplied with a N-free culture solution. Half the plants were infected with Cuscuta reflexa Roxb. at 33 DAS. An empirically based modelling technique was developed to quan[...]article/chapitre/communication
J. Hibberd ; W. Quick ; M. Press ; J. Scholes ; W. Jeschke | 1999Orobanche species are holoparasites which are very efficient sinks for host-derived solutes. Here, we report the use of direct measurements of xylem sap solute concentrations and water fluxes, together with a modelling procedure to calculate ele[...]article/chapitre/communication
The concept that photosynthetic flux is influenced by the accumulation of photo-assimilate persisted for 100 years before receiving any strong experimental support. Precise analysis of the mechanisms of photosynthetic responses to sink activity [...]thèse/mémoire
ouvrage
E. Vaganov, - Auteur ; M. Hughes, - Auteur ; A. Shashkin, - Auteur | London [GBR] : Springer | Ecological studies, ISSN 0070-8356 | 2006article/chapitre/communication
A. Peuke ; W. Hartung ; W. Jeschke | 1994Seedlings of Ricinus communis L. cultivated in quartz sand were supplied with a nutrient solution containing either 0.2 mol m(-3) NO3- or 4.0 mol m(-3) NO3- as the nitrogen source to obtain insufficiently (low supply, nitrogen-limited) or well-f[...]