The following points highlight the top three theories of shoot apical meristem. The theories are: 1. Apical Cell Theory 2. Histogen Theory 3. Tunica-Corpus Theory. 1. Apical Cell Theory: Nageli in 1944 advocated this theory. According to this theory the apical meristem consists of a single apical cell (also called apical initial) and this cell […]
Top 3 Theories of Shoot Apical Meristem | Plants
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Top 3 Theories of Root Apical Meristem in Plants | Botany
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The following points highlight the top three theories of root apical meristem in plants. The theories are: 1. Apical Cell Theory 2. Histogen Theory 3. Korper-Kappe Theory. 1. Apical Cell Theory: This theory was proposed by Nageli who drew the attention to the occurrence of a single apical cell or apical initial that composes the […]
Structures of Root-Apex : 3 Types | Botany
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The following points highlight the three main types of structures of root-apex according to plant groups. The types are: 1. Root Apex of Pteridophyte 2. Root Apex of Gymnosperm 3. Root Apex of Angiosperm. Type # 1. Root Apex of Pteridophyte: Most of the vascular cryptogams have a promeristem with a single apical cell. But […]
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