Everything you need to know about self-incompatibility and male sterility in plants ! Q. 1. What is self incompatibility? Ans. The inability of a plant with functional pollen to set seeds when self pollinated is called self incompatibility. Self incompatibility is classified into two groups, viz. heteromorphic system and homomorphic system. Q. 2. Who coined the term self incompatibility? Ans. [...]
Everything you need to know about crop genetic resources and centers of diversity ! Q. 1. What do you mean by plant genetic resources? Ans. Genetic material of plants which is of value as a resource for present and future generations of people is referred to as plant genetic resources. Q. 2. What do you mean by gene pool? Ans. [...]
The main steps in breeding a new genetic variety of a crop are: 1. Collection of Variability 2. Evaluation and Selection of Parents 3. Cross Hybridization among the Selected Parents 4. Selection and Testing of Superior Recombinants 5. Testing, Release and Commercialization of New Cultivars. Step # 1. Collection of Variability: Genetic variation is the source of raw material for [...]