In this article we will discuss about:- 1. Callose Wall and Meiocytic Syncytium 2. Ultra-Structural Changes in Microsporocytes 3. Cytokinesis. The sporogenous cells generally function directly as microspore mother cell, also called microsporocyte or pollen mother cell. They undergo meiotic division to give rise to microspore tetrads. This division is of tremendous importance in the […]
Meiosis of Microspore Mother Cell
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Self Incompatibility in Plants | Palynology
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In this article we will discuss about:- 1. Meaning of Self-Incompatibility 2. Molecular Basis 3. Determinants 4. Significance. Meaning of Self-Incompatibility: Self-incompatibility or intraspecific incompatibility is a well-designed genetic mechanism by which certain plants recognize and reject their own pollen thus forcing outbreeding. It is defined as “inability of the plant producing functional gametes to […]
Tapetum Type: 2 Main Types of Tapetum | Anther Wall
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The tapetum on the basis of its behaviour is divided into two main types: 1. Amoeboid 2. Secretory Tapetum. Type # 1. Amoeboid or Invasive or Periplasmodial Tapetum: This type of tapetum is seen in Alisma, Butomus, Tradescantia, Typha, etc. where, the tapetal cells fuse among themselves to form a tapetal periplasmodium. The protoplast of […]
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