Crop Breeding
Author(s):
Sakshi Sharma, Ms. Shweta Tyagi, Sangmeshwar Yewange, Dr.Abhimanyu Kumar jha
Keywords:
Crop Breeding, botany, breeding, research, cultivated, Crop, Crop genetics, Cropphysiology, Crop pathology, plant growth, Crop development.
Abstract
Crop breeding can be broadly defined as alterations caused in Crop as a result of their use by humans, ranging from unintentional changes resulting from the advent of agriculture to the application of molecular tools for precision breeding. The vast diversity of breeding methods can be simplified into three categories: (i) Crop breeding based on observed variation by selection of Crop based on natural variants appearing in nature or within traditional varieties; (ii) Crop breeding based on controlled mating by selection of plants presenting recombination of desirable genes from different parents; and (iii Crop breeding based on monitored recombination by selection of specific genes or marker profiles, using molecular tools for tracking within-genome variation. The continuous application of traditional breeding methods in a given species could lead to the narrowing of the gene pool from which cultivars are drawn, rendering crops vulnerable to biotic and abiotic stresses and hampering future progress. Several methods have been devised for introducing exotic variation into elite germplasm without undesirable effects. Cases in rice are given to illustrate the potential and limitations of different breeding approaches.
Article Details
Unique Paper ID: 151408

Publication Volume & Issue: Volume 7, Issue 12

Page(s): 645 - 652
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