MadSci Network: Botany

Re: please explain to me what is 'marcotting'.

Date: Sun Jul 8 23:55:19 2001
Posted By: David Hershey, Faculty, Botany, NA
Area of science: Botany
ID: 994566259.Bt

Marcotting is an old term for the propagation technique now called air 
layering, where a stem is induced to form roots while still on the parent 
plant. The stem is cut partly through and a rooting hormone (auxin) often 
applied. Then it is wrapped with moist sphagnum peat moss and ties in place 
with plastic sheeting. When roots are well formed, the branch is cut below the 
roots to make a new plant.

Air layering is used for hard to propagate plants and to rejuvenate 
houseplants, such as diffenbachia, that have gotten too tall.



Air Layering for Difficult to Root Plants

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