Genetic analysis of F2 population of tomato for studying quantitative traits in the cross between Bushbeef x Nagina
Abstract
This study aims to determine the genetic components like Vg(Variance of genotype), Vp ( Variance of phenotype), GCV (Genotypic co-efficient of variation), PCV (Phenotypic coefficient of variation), Hb (Heritability) and GA% (Genetic advance in percentage of means) in F2 generation of the cross Nagina x Bushbeef-steak for predicting quantitative traits. Data was collected on P1, P2 F1 and F2 generation for various yield components and were analyzed. Analyzed data showed relatively high difference between, GCV, Vp and PCV for the traits: Flowers/cluster, Fruits/cluster and Fruit weight and relatively low difference was noted for Vg, GCV and Vp, PCV values in the traits: Fruit diameter, Fruit length and fruits/plant. Highest value of GCV (79.90%) and PCV (92.79%) were noted in the trait: yield/plant and the lowest values of GCV (14.68%) and PCV (16.78%) were noted for fruit-length. Highest value (84.08%) of broad sense heritability %(Hb%) was noted in fruit diameter and the lowest value of heritability(27.58) was noted for the trait fruits/cluster. Moderate value of heritability (74.13%) along with low value (15.22) of GA% was noted for yield/plant.
References
Akbar M, Mahmood T, Yaqub M, Anwar M, Ali M and Iqbal N. (2003). Variability, correlation and path coefficient studies in summer mustard (Brassica juncea L.). Asian Journal of Plant Sciences 2: 696-698.
Bozokalfa MK, Ilbi DE and Asciogul TK. (2010). Estimates of genetic variability and association studies in quantitative plant traits of Eruca spp. landraces. Genetika, 42(3):501-512.
Eid MH. (2009). Estimation of heritability and genetic advance of yield traits in wheat (Triticum aestivum L.) under drought condition. International Journal of Genetics and Molecular Biology, 1(7):115-120.
Globerson D, Genizi A and Staub JE. (1987). Inheritance of seed weight in Cucumis sativus (L.) var. sativus and var. hardwickii (Royle) Kitamura. Theoretical and Applied Genetics, 74(4):522–526.
Ghosh KP, Islam AKMA, Mian MAK and Hossain MM. (2010). Variability and Character Association in F2 Segregating Population of Different Commercial Hybrids of Tomato (Solanum lycopersicum L.). Journal of Applied Sciences and Environmental Management, 14(2):91–95.
Haydar A, Mandal MA, Ahmed MB, Hannan MM, Karim R, Razvy MA, Roy UK and Salahin M. (2007). Studies on genetic variability and interrelationship among the different traits in tomato (Lycopersicon esculentum Mill). Middle-East Journal of Scientific Research, 2(3-4):139-142.
Hasan N, Saeed A, Shakeel A, Saleem MF, Ahmad A and Yasin S. (2014). Genetic analysis to find suitable parents for development of tomato hybrids. Agriculture and Forestry, 4(60):255-265.
Johnson HW, Robinson HF and Comstock RE. (1955). Estimates of genetic and environmental variability in soya beans. Agronomy Journal, 47(7):318-324.
Kaushik SK, Tomar DS and Dixit AK. (2011). Genetics of fruit yield and it’s contributing characters in tomato (Solanum lycopersicom). Journal of Agricultural Biotechnology and Sustainable Development, 3(10):209-213.
Khanom MSR, Khan MHK and Hassan L. (2008). Variability, heritability and genetic advance for yield and yield contributing characters in tomato (lycopersicon esculentum mill.). Progress Agriculture, 19(1):1-5.
Maniee M, Kahrizi D and Mohammadi R. (2009). Genetic variability of some morpho-physiological traits in durum wheat (Triticum durum var. Durum). Journal of Applied Sciences, 9(7):1383-1387.
Mohamed SM, Ali EE and Mohamed TY. (2012). Study of Heritability and Genetic Variability among Different Plant and Fruit Characters of Tomato (Solanum lycopersicon L.). International Journal of Scientific and Technology Research, 1(2):55-58.
Nechifor B, Filimon R and Szilagyi L. (2011). Genetic variability, heritability and expected genetic advance as indices for yield and yield components selection in common bean (phaseolus vulgaris l.). Scientific Papers: UASVM Bucharest: Series. 14.
Saleem M, Asghar M and Iqbal Q. (2015). Analysis of Genetic Proximity in Tomato (Solanum lycopersicum L.) Genotypes. Journal of Environmental and Agricultural Sciences, 3:8-13.
Sharanappa KP and Mogali SC. (2014). Studies on genetic variability, heritability and genetic advance for yield and yield components in F2 segregating population of tomato (Solanum lycopersicon L.). Karnataka Journal of Agricultural Sciences, 27(4):524-525.
Sivaprasad K, Sridevi O and Salimath PM. (2009). Genetic variability studies in biparental mating populations of tomato (Solanum lycopersicon (Mill) Wettsd.). Indian Journal of Crop Science, 4(1 and 2):121-125.
