NDLI: Broad-sense Heritability , Genetic Correlation and Genetic Variability of Sugarcane Yield Components at First Selection Stage

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Broad-sense Heritability , Genetic Correlation and Genetic Variability of Sugarcane Yield Components at First Selection Stage

Content Provider	Semantic Scholar
Author	Abu-Ellail, Farrag F. B. El-Taib, Ashraf B. A. Masri, M. I.
Copyright Year	2018
Abstract	Sugarcane crosses exploit heterogeneity in F1 generation, indicting its potential to exploit the variability in the initial stage of clonal selection. Thirty sugarcane clones were selected from six bi-parental crosses (families) along with two check cultivars (GT54-9 and Ph8013) were evaluated in randomized complete block design trial with three replications in plant cane (PC) and first ratoon (FR), crops under Upper Egypt conditions at Shandweel Agricultural Research Station, Sohag Governorate, Egypt during 2013 and 2014 crop seasons. Estimates of broad-sense heritability, genetic correlation and genetic variance components were studied in the families. The results indicated varied significant difference between genotypes for the traits under study, Genotype×crop-year interaction had significant response in most of the studied traits except two traits (cane yield and Brix%). The genotypic correlation between cane yield and its components, viz. stalk diameter, stalk weight and number stalks/fed were highly significant in the positive direction across crop seasons. Genotypic variance, heritability, phenotypic and genotypic coefficient of variation decreased from plant cane to first ratoon for the traits, stalk diameter, cane yield and Brix%, while, they increased slightly for number of stalks/fed and purity%. The significant genotypic effects indicated existence of genetic variability among the genotypes and the possibility of utilizing them in genetic improvement.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.sugarcane.res.in/images/sbi/article/jsr/vol7/pp27_34.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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