selective breeding useful

Crop improvement by deliberate attempt to cross two parents of desirable characters to incorporate such characters in next generations is called breeding. The entire process of pollination, fertilization and regeneration is kept under control and selected parents are allowed to ..

. Polyploidy may be caused by fertilization of an egg by more than one sperm failure of meiosis during gamete formation. Polyploidy can artificially be introduced by a chemical called colchicine or by crossing diploids with tetraploids. Although triploids exhibit sterility, polyploidy is usefu..

Right from the early days of human civilization man has been breeding selected species that are useful to him. This has produced different varieties of plants and animals. The Result of Selective Breeding..

Draught breeds are basically beasts of burden. They are used for drawing bullock carts, ploughing land and transporting material from one place to another. They are strong and sturdy but give less mil..

Plant Breeding - Crop production can be improved by breeding new varieties of crops having higher yield. The main aim of plant breeding is to produce new crops superior to the existing ones. By this method new varieties of crops, having higher yield, resistant to pests..

Crop production can be improved by breeding new varieties of crops having higher yield. The main aim of plant breeding is to produce new crops superior to the existing ones. By this method new varieties of crops, having higher yield, resistant to pests and disease can be grown. ..

Mutations are defined as heritable changes in structure number of genes or chromosomes. Mutations can be natural (spontaneous) or induced. Many natural mutations are recorded. But, stability of mutant expression needs a thorough testing over generations, as many mutants have tendency to revert to n..

For breeding to start, the female should be 14-18 months and the male should be 2 yrs of age. For effective breeding it is important to select ewes and ram or goats that are best suited for local conditions. Different breeds are known for the quality of wool ..

Selection is an important technique in plant breeding. It involves picking the healthiest and the best ones out of the entire crop and reproducing them under controlled condition..

="left"> Pulping quality More palatability Tomato More juice, thin skin Better processing value Coconut Bigger nut, thicker kernel Higher yield / more oil Wheat Higher protein content awnlessness Better nutritional value easy post harvest process Selection of crops and their varieties has..