New Root Formation in Plants and Cuttings

Volume 20 of the series Developments in Plant and Soil Sciences pp 141-189

Metabolic processes in adventitious rooting of cuttings

  • Bruce E. HaissigAffiliated withForestry Sciences Laboratory, USDA-Forest Service, North Central Forest Experiment Station

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A cutting is in a thermodynamically unfavourable state from the time it is prepared [1]. Part of the physical and physiological support, the root system, is gone. Only a new root system can restore ‘whole plant’ thermodynamics and sustain life. Altered metabolism in a cutting regenerates the root system.