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 […]
Self Incompatibility in Plants | Palynology
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13 Methods to Overcome Self-Incompatibility in Plants
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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 […]
Groups of Self-Incompatibility | Palynology
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Self-incompatibility system can be divided into two basic groups: 1. Heteromorphic Systems 2. Homomorphic Systems. Group # 1. Heteromorphic Incompatibility: This incompatibility refers to those plants where the same species produces more than one morphological types of flower, where the relative length of the style (distyly and tristyly) and stamens differ. In distyly the plants […]
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