Plant introduction and acclimatization is the easiest and quickest
method of crop improvement Plant introduction is defined as the process
of introducing plants from their growing locality to a new locality. In
this process, plants are transferred from their original habitat to a
place having different climate. Acclimatization is the adaptation or
adjustment of an individual plant or a population of plants under the
changed climate for successive generations. The acclimatization is a
type of natural selection operating into the introduced plant material.