Describe in brief the shoot and root apical organization according to Histogen theory.
The Histogen Theory, proposed by German botanist Wilhelm Hofmeister in 1868, explains the organization and development of the shoot and root apical meristems in plants. According to this theory, the apical meristems are composed of distinct groups of initial cells, known as histogens, which are responsible for the formation of different tissue systems.
Shoot Apical Organization:
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