roots school system

Root System - Root is the descending portion of the axis of the plant. It is not normally green in colour. It is characterised by the absence of nodes and internodes. There are two types of root systems, the tap root system (seen..

Root is the descending portion of the axis of the plant. It is not normally green in colour. It is characterised by the absence of nodes and internode..

Roots developing from any part of the plant body other than the radicle are called adventitious roots. They may arise from the leaves as in Bryophyllum or from the branches as seen in Banyan. In monocotyledons, the primary root from the radicle later disorganizes and a..

Stocking (1956) has defined root pressure as: a pressure developed in the tracheary elements of xylem as a result of metabolic activities of the root. The root pressure is said to be an active process which is confirmed by the following facts: Living cells are essentia..

ABA promotes rooting of stem cuttings in some plants like ivy and be..

The epidermis usually forms projections known as epidermal hairs. In the root, the epidermal hairs are unicellular and are called as root hairs. The root hairs penetrate between the soil particles to absorb water. In the stem and the leaf, the epidermal hairs are..

It is a derivative of ground meristem. It is represented by the different regions in the plant body that are mainly involved in storage. In the cylindrical parts of the plant body such as root and stem, the ground tissue becomes differentiated into various regions. In a typical condition..

Roots sometimes have special functions to perform and in such cases their form and structure differ from those of normal roots. The modified roots may be underground or aeria..

The root consists of the following regions from the apex upwar..

One crop component is deep rooted whereas the other is shallow rooted..