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Polymerisation of metabolites translocated from source to sink organs


, : Polymerisation of metabolites translocated from source to sink organs. Plant Physiology and Biochemistry New Delhi 16(1): 100-108

Transport of 14C-sucrose, 1 4C-leucine, superscript 3H-thymidine and superscript 3H-uridine applied to the flag leaves of 4 rice cultivars and 2 wheat cultivars varying in yield potential, and their utilization in the developing panicle for polymer synthesis were studied at 3 stages of panicle development.

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Related references

Maitra N.; Sen S.P., 1987: Hormonal regulation of source sink relationship effects of hormones on excised source and sink organs of cereals. The regulatory role of plant growth substances in relation to source and sink activity was studied. Leaching of electrolytes from flag leaf cells increased with age. Abscisic acid, however, increased the permeability of leaf cells at 10-4 M and lo...

Gleixner, G.; Scrimgeour, C.; Schmidt, H.L.dwig; Viola, R., 1998: Stable isotope distribution in the major metabolites of source and sink organs of Solanum tuberosum L.: A powerful tool in the study of metabolic partitioning in intact plants. A method was developed for the purification of main intermediates and storage products of leaves and tubers of potato for analysis of their 13C content. The method was tested for recovery of metabolites and carbon isotope discrimination during the...

Gleixner, G.; Scrimgeour, C.; Schmidt, H.L.dwig, 1999: Stable isotope distribution in the major metabolites of source and sink organs of Solanum tuberosum L.: a powerful tool in the study of metabolic partitioning in intact plants. Planta 207(2 ): 1-5

Gleixner, G.S.rimgeour, C.S.hmidt, H.; Viola, R., 1998: Stable isotope distribution in the major metabolites of source and sink organs of Solanum tuberosum L.: a powerful tool in the study of metabolic partitioning in intacts plants. A method was developed for the purification of main intermediates and storage products of leaves and tubers of potato for analysis of their 13C content. The method was tested for recovery of metabolites and carbon isotope discrimination during the...

Shishido, Y.; Kumakura, H.; Hori, Y., 1993: Changes in source-sink interaction by defoliation and darkening of source and sink leaf in tomato (Lycopersicon esculentum Mill.). Changes in source-sink relations as a result of removal and shading of source and sink leaves were studied in tomato cv. Fukuju No. 2 plants at the 8-leaf stage.

Tanaka, A.; Fujita, K., 1974: Nutrio-physiological studies on the tomato plant. IV. Source-sink relationship and structure of the source-sink unit. The results of 4 experiments suggest that in tomato plants the source of photosynthates can exceed the sink because (a) the net assimilation rate is increased by a partial removal of leaves and reduced by a partial or complete removal of fruits, a...

Warringa, J.W.; Marinissen, M.J., 1997: Sink-source and sink-sink relations during reproductive development in Lolium perenne L. Spaced plants of Lolium perenne L. were labelled with 13C at regular intervals from main ear emergence onwards in order to identify and measure the activity of source and sink organs during seed formation. The source activity of the various tiller...

Chattopadhyay S.; Ghosh B., 1990: Effect of spermine on chloroplastic metal ion efflux of source and sink organs. Spermine dependent chloroplastic metal ions (Na+, K+, Mn2+ and Mg2+) efflux from source and sink organs of Oryza sativa cv 'IR-8' and Pisum sativum cv 'Early Wonder' were measured by atomic absorption spectrophotometry. Metal i...

Chatterjee S.; Maitra N.; Ghosh B.; Sen S.P., 1988: Effect of polyamines on photosynthesis of source and sink organs in rice oryza sativa l. The levels of total and individual polyamine and arginine decarboxylase, the key enzyme of its biosynthesis, varied not only between source (flag leaf) and sink (spikelet) organs but also in stages of panicle development in rice. The polyamine(s)...

Sage T.; Webster B., 1986: Source sink relations of aborting and nonaborting reproductive organs of phaseolus vulgaris. Plant Physiology (Rockville) 80(4 SUPPL): 72