Tag Archives | Palynology

Self Incompatibility in Plants | Palynology

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 set seed upon self-pollination",. Lundqvist [...]

By |2016-11-28T11:16:50+00:00November 28, 2016|Palynology|Comments Off on Self Incompatibility in Plants | Palynology
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Tapetum Type: 2 Main Types of Tapetum | Anther Wall

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 the fused tapetal cells move [...]

By |2016-11-28T11:16:50+00:00November 28, 2016|Microsporogenesis|Comments Off on Tapetum Type: 2 Main Types of Tapetum | Anther Wall
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13 Methods to Overcome Self-Incompatibility in Plants

The following points highlight thirteen methods to overcome self-incompatibility in plants. The methods are: 1. Bud Pollination 2. Mixed Pollination 3. Deferred Pollination 4. Test Tube Pollination 5. Stub Pollination 6. Intra-Ovarian Pollination 7. In Vitro Pollination 8. Use of Mentor Pollen 9. Elevated Temperature Trea­tment 10. Irradiation 11. Surgical Method 12. Application of Chemicals 13. Protoplast Fusion. Method # [...]

By |2016-11-28T11:16:50+00:00November 28, 2016|Palynology|Comments Off on 13 Methods to Overcome Self-Incompatibility in Plants
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