Propagation Systems

Abstract

As in any other tree species, Hevea is also multiplied by both seeds and vegetative means. There are different kinds of rubber seeds such as (i) legitimate, (ii) illegitimate, (iii) ordinary, (iv) monoclonal and (v) polyclonal seeds. Among these, monoclonal and polyclonal seeds are produced in specially raised plantations. The other types of seeds are collected from commercially established plantations. Monoclonal seeds, especially those of Tjir 1, were once commonly used for propagation. For this, plantations consisting of this clone alone were established. Special care was taken not to have any tree of any other clone in the garden to prevent contamination of pollen grains. This ensured that all the seeds produced were selfed seeds of Tjir 1. However, monoclonal seeds are not recommended now for raising plantations due to their inferiority compared with the modern clones.