After reading this article we will learn about the Hardy-Weinberg equilibrium of gene. In a large random mating population, both gene and genotype frequencies remain constant from generation to generation, in absence of migration, mutation and selection. These properties of a population were first demonstrated by Hardy and Weinberg independently in 1908, and are generally known as Hardy-Weinberg law. If [...]
After reading this article you will learn about the meaning and system of plant tissue culture. Meaning of Tissue Culture: Tissue culture is a term, used to indicate the aseptic culture in vitro of a wide range of excised plant parts. It is used for both propagation and modification of genotypes (production of somaclonal variation and double haploids), biomass production [...]
In this article we will discuss about:- 1. Selection of Disease Resistant Variants at the Plant Level 2. Selection in Vitro with Toxins and Culture Filtrates against Diseases 3. Selection for Resistance to Drought and Flooding 4. Selection for Salt Tolerance. Selection of Disease Resistant Variants at the Plant Level: One approach to utilise somaclonal variation is to screen regenerated [...]