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Under Rainfed Effect of Foxtail Millet [Setaria italica (L.) beauv] Germplasms Evaluation on Genotypic Variance, Correlation and Path Analysis

DOI: 10.18805/IJARe.A-5862    | Article Id: A-5862 | Page : 141-146
Citation :- Under Rainfed Effect of Foxtail Millet [Setaria italica (L.) beauv] Germplasms Evaluation on Genotypic Variance, Correlation and Path Analysis.Indian Journal of Agricultural Research.2022.(56):141-146
Divya Singh, Shailesh Marker, B.G. Suresh, Kapil Lawrence divyamaltisingh@gmail.com
Address : Department of Biochemistry and Biochemical Engineering, Jacob Institute of Biotechnology and Bioengineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj-211 007, Uttar Pradesh, India.
Submitted Date : 23-06-2021
Accepted Date : 30-10-2021

Abstract

Background: Setaria italica is an essential crop in the developing world and yield levels are low. To improve the yield, the utilization of diverse germplasm in a breeding program is vital. 
Methods: The present study aimed to characterize 50 genotypes in the first year and out of 50, 10 genotypes in the second year using multivariant traits. Wide variation was observed in both the qualitative and quantitative characteristics. Analysis of variance revealed the presence of significant differences for most symptoms. Higher estimates of GCV were followed for grain yields, followed by panicle lengths and organic outcomes. Higher estimates of PCV were observed for plant height and leaf length, followed by leaf width. Low GCV and PCV were recorded as leaf length, 50% flowering in days. PCV study indicated direct selection based on characters, panicle weight, test weight and strawweight showed a high and positive effect on grain yield per plant in both rainy and summer season indicating the proper relationship between these characters with grain yield per plant, which helps indirect selection for these traits thus in improving the grain yield per plant. Variability in foxtail millet germplasm allows plant breeders to effectively select specific donor lines for genetic improvement of foxtail millet.  
Result: Best 5 genotypes were found to be: Kangni-7 > Kangni-1 > Kangni-6 > Kangni-5 > Kangni-4.

Keywords

Correlation Genotypic Path analysis Phenotypic Variability

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