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Genetic Diversity Analysis for Earliness, Fiber Quality and Cotton Leaf Curl Virus in Gossypium hirsutum L. Accessions.

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Title Genetic Diversity Analysis for Earliness, Fiber Quality and Cotton Leaf Curl Virus in Gossypium hirsutum L. Accessions.
 
Creator Saeed, Frasat
 
Contributor Farooq, Jehanzeb
Riaz, Muhammad
 
Subject Cotton
 
Description In the present set of experiment 159 cotton genotypes that were imported from USA were evaluated for cotton leaf curl
virus disease tolerance, better fiber quality and various yield related traits. For evaluation of these traits cluster, principle component
and correlation analysis was employed to obtain suitable parents that can be further exploited in future breeding programmes. Days to
1stsquare had significant positive correlation with days to first flower and had positive association with nodes to 1st fruiting branch
whilst it showed negative correlation with fiber fineness. CLCuD exhibited highly significant negative correlation with plant height.
Plant height showed highly positive significant association with sympodia per plant and monopodia per plant while it showed
significant negative association with ginning out turn. The principle component analysis grouped total variation into 5 PCs in which
first two contributed 34.2% to the total variability. Regarding cluster analysis the genotypes grouped into six clusters. The genotypes
in cluster I, II and III comprised of genotypes with better earliness and fiber quality traits. Cluster IV was characterized by genotypes
having less attack of CLCuD, higher GOT% and somehow good quality of fiber traits. Cluster VI was represented by genotypes
having good plant height, sympodial branches per plant and fiber fineness. Genotypes of cluster I, II and III could be exploited in
new breeding programs because of their better earliness and fiber quality traits. Cluster IV genotypes are good to utilize for better
CLCuD tolerance and GOT% whilst cluster VI genotypes were suitable for plant height, sympodial branches per plant and fiber
fineness
 
Date 2015-05-28
2017-02-09T16:54:22Z
2017-02-09T16:54:22Z
 
Type Journal Article
 
Identifier https://mel.cgiar.org/reporting/download/hash/lLDXSKoC
Frasat Saeed, Jehanzeb Farooq, Muhammad Riaz. (28/5/2015). Genetic Diversity Analysis for Earliness, Fiber Quality and Cotton Leaf Curl Virus in Gossypium hirsutum L. Accessions. Cotton Genomics and Genetics, 6(2), pp. 1-7.
https://hdl.handle.net/20.500.11766/5653
Open access
 
Language en
 
Rights CC-BY-NC-4.0
 
Format PDF
 
Publisher BioPublisher
 
Source Cotton Genomics and Genetics;6,(2015) Pagination 1,7