In this article we will discuss about:- 1. History of Plant Breeding 2. Origin and Evolution of Crop Plants 3. Scope and Objectives. History of Plant Breeding: The process of plant breeding is assumed to be initiated nearly 7000 years ago with the beginning of human civilization. Bringing a wild species under human management as the source of food which [...]
The mode of reproduction in crop plants may be broadly grouped into three categories: Vegetative, Apomictic and Sexual. Mode # 1. Vegetative or Asexual: In this type of reproduction the vegetative parts of the plants act as propagule in place of seed. This mode is mostly found in all those plants where there is no seed set, long reproduction cycle [...]
The following points highlight the four main of plant breeding methods. The methods are: 1. Mass Selection 2. Pure Line Selection 3. Recurrent Selection 4. Clonal Selection. Method # 1. Mass Selection: When a large number of plants of similar phenotype are selected and their seeds are mixed together to constitute a new variety is called mass selection. The population [...]