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Please use this identifier to cite or link to this item:
http://krishi.icar.gov.in/jspui/handle/123456789/3810
Title: | Cotton Genome Mapping for Crop Improvement |
Authors: | J Amudha, G Balasubramani, AB Dongre |
Published/ Complete Date: | 2001 |
Project Code: | Not Available |
Keywords: | Cotton genome mapping, Variable Number of Tandem Repeats VNTR, Restriction Fragment Length Polymorphism -RFLP, Random Amplified Polymorphic DNA (RAPD), DNA Amplification Fingerprinting (DAF),Simple Sequence Repeats (SSR), |
Publisher: | The Director, ICAR-CICR, Nagpur |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Not Available |
Description: | Genetic diversity is a raw material for industrial agriculture, and to achieve sustainable agriculture because it enables farmers to adopt crops suited to their own site specific ecological needs and cultural traditions. Genetic diversity enables for long term sustainability and agricultural self-reliance and has been known to increase or decrease in response to domestication. Extensive genetic variation is present with in genus Gossypium and distributed among 43 species. The primary cultivated species are, two tetraplodis G.hirsutum (2=52), G.barbadense (2n=52), and two diploids G.arboreum (2n=26), G.herbaceum (2n=26). Gossypium comprises of approximately in 45 diploid and five allopolyploid species. The diploid species fall into eight groups, A to G and K. The size of cotton A genome (C value = 1.05 pg), and the AD genome (C value=1.8 to 2.5 pg), Interspecific and intraspecific hybridization with the cultivated tetraploid result in high genetic variation and recombination. Due to normal pairing between homeologous chromosomes within the same genomes or subgenomes, chromosomes loss seldom occurs in subsequent selfing or backcrossing generations. Linkage drag is a problem in the selection of hybrid combinations of interspecific and intraspecific gene transfer in cotton because of polyploidy in nature. |
ISSN: | Not Available |
Type(s) of content: | Technical Bulletin |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Not Available |
Volume No.: | Not Available |
Page Number: | Not Available |
Name of the Division/Regional Station: | Crop Improvement - Biotechnology |
Source, DOI or any other URL: | http://www.cicr.org.in/pdf/cotton_genome_Mapping.pdf |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/3810 |
Appears in Collections: | CS-CICR-Publication |
Files in This Item:
File | Description | Size | Format | |
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CICR_cotton_genome_mapping.pdf | 123.19 kB | Adobe PDF | View/Open |
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