Abstract
Studies underin vitro conditions withCuscuta stem tips have revealed that the parasite depends on the host for the supply of all essential requirements for its growth. The vestigial photosynthetic apparatus inCuscuta cannot meet its total requirements. Thus for supply of energy it depends primarily on the host. Inorganic nutrients seem to be of secondary importance and perhaps help to some extent in its independent metabolic pool. Carbohydrates, particularly sugars, are presumably tapped by the parasite from the translocating channels of the host and further utilised for its own growth. Besides sugars, which form the carbon and energy source, amino acids and growth substances are also found to be utilised. The mechanism of carbohydrate utilization inCuscuta has been postulated.
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Arnon, D. I., Hoagland, D. R.: Composition of the tomato plant as influenced by nutrientsupply, in relation to fruiting. - Bot. Gaz.104: 576, 1943.
Baldev, B.:In vitro studies of floral induction on stem apices ofCuscuta reflexa ROXB. A shortday plant. -Ann. Bot.26: 173, 1962.
Colliander, R., Barlund, H.: Permeabilitätsstudien anChara caratophylla. - Acta bot. fenn.11: 1, 1933.
Hilderbrandt, A. C., Roker, A. J.: The influence of various carbon compounds on the growthof marigold, Paris-daisy, periwinkle, sunflower and tobacco tissuesin vitro. - Amer. J. Bot.36: 74, 1949.
Leopold, A. C.: Auxins and Plant Growth. - University of California Press, Berkeley 1955.
Loo, S.-W.: Cultivation of excised stem tips of asparagusin vitro. - Amer. J. Bot.32: 13, 1945.
Maheshwari, P.,Baldev, B.:In vitro induction of adventive buds from embryos ofCuscutareflexa ROXB. - Council of Sci. and Indus. Res. Pp. 129. New Delhi 1960.
Maheshwari, P., Baldev, B.: Artificial production of buds from the embryos ofCuscuta reflexa.-Nature191: 197, 1961.
Ramkrishnan, C. V.: Diphosphopyridine nucleotide contents of isolated roots and shoots ofgerminating corn following immersions in precursor solutions. - In: Plant Tissue and OrganCulture. Pp. 50–53. Int. Soc. Plant Morphol., Univ. Delhi 1963.
Reinert, J.: Experimental modification of organogenesis in plant tissue cultures. - In: Plant Tissue and Organ Culture. Int. Soc. Plant Morphol., Univ. Delhi 1963.
Snedecor, G. W.: Statistical Methods. - Iowa State Univ. Amer., Iowa 1956.
Zimmermann, C. E.: Autotrophic development of dodder (Cuscuta pentagona ENGL.) in vitro. -Crop Sci.2: 449, 1962.
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Bhattacharya, M.K. Growth requirements ofCuscuta reflexa . Biol Plant 18, 415–420 (1976). https://doi.org/10.1007/BF02922543
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DOI: https://doi.org/10.1007/BF02922543