The root system is the basic foundation of plants. It consists of a
primary root used for anchorage and lateral roots with hairs that
absorb water and nutrients; and oxygen for respiration.
Plant's growth depends solely on root development, which normally
takes years before attaining productive or fruiting stage. This
growth phenomenon is generally observed throughout the world
especially in temperate countries that have two dormant seasons,
autumn and winter. When the roots are injured or diseased, there
will be no growth. As the roots grow, corresponding growth shall
also be observed on the upper portion of the plant. Therefore,
if a plant has more developed root system, its growth will be
accelerated, thus, enhance physiological maturity and early fruiting
Multiple rootstock or multi-root system is the growing of
plants with two or more rootstocks. Fruit exporting countries like
Taiwan, Thailand and Australia are practicing this technique.
In India, where more than 60% of total mango production in the world
came from, the multiple rootstock technology is a common practice