rootstock

• Nom désignant une tige souterraine horizontale d'une plante qui produit des racines et des pousses, ou un système racinaire utilisé comme base pour la greffe lors de la multiplication des plantes.

A noun referring to a horizontal plant stem that grows underground, producing roots and shoots, or a root system used as the base for grafting in plant propagation.

1. Plant stem for reproductionC1formal

   A horizontal underground stem that produces shoots above and roots below, functioning as a means of vegetative reproduction.

   Rhizome (tige souterraine de multiplication végétative)

   • The gardener divided the rootstock to propagate new plants.
   • Irises spread through their thick rootstocks.
   • The rootstock of the bamboo is very resilient.

   Synonymesrhizomerootstalk

2. Grafting baseC1formal

   The root system or part of a plant onto which a scion is grafted, providing the root system for the new plant.

   Porte-greffe

   • Apple trees are often grown on a dwarfing rootstock.
   • The rootstock determines the size and vigor of the grafted plant.
   • Choosing the right rootstock is crucial for successful grafting.

   Synonymesstockunderstock