Stem Cuttings


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•  Design of an experiment to assess one factor affecting the rooting of stem cuttings

A stem cutting is a separated portion of plant stem that can regrow into a new independent clone via vegetative propagation

  • All stems possess nodes, from which a leaf, branch or aerial root may grow – the region between nodes are called internodes
  • Stem cuttings are typically placed in soil with the lower nodes covered and the upper nodes exposed
  • Stem cutting is a common method employed to rapidly propagate plant species (including sugar cane, grapes and roses)

There are a variety of factors that will influence successful rooting of a stem cutting, including:

  • Cutting position (whether cutting occurs above or below a node, as well as the relative proximity of the cut to the node)
  • Length of cutting (including how many nodes remain on the cutting)
  • Growth medium (whether left in soil, water, potting mix, compost or open air)
  • The use and concentration of growth hormones (e.g. IAA, IBA and NAA promote the formation of adventitious roots)
  • Temperature conditions (most cuttings grow optimally at temperatures common to spring and summer)
  • Availability of water (either in the form of ground water or humidity)
  • Other environmental conditions (including pH of the soil and light exposure)

Germination of Stem Cuttings

stem cuttings