To check genetic variability, heritability and genetic advance in f4 wheat lines a field experiment was designed at the university of agriculture peshawar, during 201516. Genetic variability and heritability studies on bread. At maturity, 200 competitive plants from f2 population of each. In ethiopia, a number of improved bread wheat triticum aestivum l. Genotypes to make an effective selection for grain yield, understanding the genetic variability, heritability and genetic advance as percent of mean as well as the association of grain yield with yield contributing. Heritability of resistance in winter wheat to wheat spindle streak mosaic virus. Twentytwo wheat genotypes including twelve parents. Variance components, heritability and correlation analysis of anther.
One aim of this study was to determine the heritability of anther and ovary size at different positions within a spikelet at seven floral developmental stages and conduct a variance components analysis. Studies on heritability and genetic advance estimates in. Genetic variability, heritability and genetic advance in bread wheat triticum aestivum l. Heritability of various morphological traits in wheat a bdus s alam k han, i shtiaq s alim and z u lfiqar a li department of plant breeding and genetics, university of agriculture faisalabad. Pdf heritability, correlation and path coefficient. Range, mean, variance, broad sense heritability, genotypic and phenotypic coefficien t of variability, genetic ad vance as of m ean for the 14 characters of bread wheat genotypes tested at tongo. Ansari 8 have also estimated heritability parameters for yield and yield related traits of the wheat. Genetic variability and diversity analysis for yield and. Heritability in broad sense is the ratio of genotypic variance to the total variance. Triticum aestivum, broad sense heritability, genetic advance, metric traits, wheat. In ethiopia, a number of improved bread wheat triticumaestivum l. Heritability estimates in f4 generation of wheat triticum. Pdf genetic variability studies on bread wheat triticum.
Pdf heritability estimates and correlation analysis in. Department of plant breeding and genetics, the university of agriculture peshawarpakistan 2. Whole grain wheat is a good source of protein and dietary fiber. Ma rahman 1, ml kabir 2, m hasanuzzaman 3, ma rahman 4, rh rumi 5, mt afrose 6 1department of genetics and plant breeding, hajee mohammad danesh science and technology university, dinajpur, bangladesh 2department of genetics and plant breeding, hajee mohammad danesh science and technology. Eid observed low and medium heritability for different yield traits in wheat under rainfed conditions.
Heritability analysis for yield associated traits in wheat. Nevertheless, wheat is grown in many regions where hot and dry conditions are predominant. Genetic variability, heritability and genetic advancement. Heritability is an estimating factor and indicates the consistency of a particular phenotypic observation that directs a breeding value falconer and mackay. Heritability of various morphological traits in wheat. Genetic variability, heritability and genetic advance for yield and yield related traits in bread wheat triticum aestivum l. Genomic prediction and gwas of yield, quality and disease. Pdf thirty genotypes of bread wheat were evaluated in randomized block design rbd with three replications for yield and yield contributing traits. It is that portion of total variability or phenotypic variability which is heritable and due to the genotype. Correlation and regression analysis for yield traits in.
Eleven genotypes 10 f4 lines and one check were studied in randomized block design using three replications. In order to observe the behaviour of 100 wheat genotypes under drought stress, an experiment was conducted following randomized complete block design rcbd with three replications. Estimation of general and specific combining ability in. Genetic variability and heritability studies on bread wheat triticum aestivum l. Heritability estimates reported by several workers including 57, indicated that certain components of grain yield in wheat are more heritable than yield itself. Genetic variability, heritability and genetic advance in durum wheat triticum durum desf.
Therefore, the objective of this study was to determine variance components and heritability of yield and yield related traits of 96 diverse bread wheat genotypes under droughtstressed and nonstressed conditions. Heritability, irrigated, morphological traits, nonirrigated, wheat introduction wheat is the largest grain crop in the world. An investigation was undertaken to evaluate heritability and variability estimates among f2 populations of bread wheat triticum aestivum l. Variability, heritability and components of variance have been studied in 50 cultivars from different selection centers all over the world. Heritability in plant breeding on a genotypedifference. Typical solar energy capture by wheat crop grown in the uk. Journal of agriculture food and development, genetic. It is usually estimated on an entrymean basis, since the phenotype is usually an aggregated value, as genotypes are replicated in trials, which stands in contrast with animal breeding and human genetics. Pdf genetic variability, heritability and genetic advance in bread.
Phenotypic variability and heritability of plant height in wheat triticum aestivum l. Heritability of morphological traits in bread wheat. Jalu department of genetics and plant breeding, college of agriculture, junagadh agricultural university, junagadh 362 001, gujarat, india corresponding author a b s t r a c t gcv, pcv, 0. It is a measure of the extent of phenotypic variation caused by the action of genes. Genetic variability, heritability and genetic advance for.
It has higher protein content, about 14 %, than any other whole grain. In plant breeding, heritability is often calculated i as a measure of precision of trials andor ii to compute the response to selection. Study of variability in bread wheat triticum aestivum l. It is sensitive to high temperature christiansen, 1978. All of these varieties were, however, not evaluated in bore district for growth, yield and yield components which are necessary for identification of adaptable varieties for this major wheat growing district. Variability, heritability and genetic advance analysis in bread wheat triticum aestivum l. Variability, heritability and genetic advance of some grain quality traits and grain yield in durum wheat genotypes krasimira taneva 1, violeta bozhanova 1, ivanka petrova2 1field crops institute, 6200 chirpan, bulgaria 2institute of cryobiology and food technology, 1407 so. Pdf heritability analysis for yield associated traits in.
Genetic variability, heritability and correlation study of physiological and yield traits in relation to heat tolerance in wheat triticum aestivum l. Pdf magnitude of heritability and selection response for. The outcomes of analysis of variance anova depicted highly. In this study, 1,317 spring barley and 1,325 winter wheat breeding lines from a commercial breeding program were genotyped with the illumina 9 k barley or 15 k wheat. Genetic variability, correlation and path coefficient. Studies on variability, heritability and genetic advance. Magnitude of heritability and selection response for yield traits in wheat under two different environments. Variability, heritability and genetic advance of some. Variance components and heritability of yield and yield. Pdf genetic variability, heritability and association. Heritability estimates and correlation analysis in bread wheat triticum aestivum l. Materials and methods eight genetically diverse bread wheat genotypes table 1 were evaluated and crossed in 202014.
The heritability of resistance to wheat spindle streak mosaic virus in was found to be a highly heritable trait controlled by a few dominant genes. A nishant bhanu, b arun and vk mishra department of genetics and plant breeding, banaras hindu university, india. Materials and methods the experimental materials consisted of 49 genotypes of wheat were grown in a randomized block. Heritability, genetic gain and detection of gene action in hexaploid wheat for yield and its related attributes. Heritability, correlation and path coefficient analysis for some metric traits in wheat. Article pdf available january 20 with 1,963 reads how we measure reads. Several methods are available for estimating heritability in disomic species, including parentoffspring regression, realized heritability, intraclass correlations of recombinant inbred lines, and diallelcross analysis.
Department of horticulture, university of agriculture peshawarpakistan. University meerut250001, up, india corresponding author a b s t r a c t during g and. The protein in wheat contains all eight essential amino acids and is deficient ony ly in l sine, which can be added back into a. Abstract to estimate heritability and correlation coefficients in bread wheat under normal and late plantings, an experiment was carried out at the research farm of plant breeding and genetics. Studies on variability, heritability and genetic advance in some quantitative characters in bread wheat triticum aestivum l. Estimation of genetic variability, heritability and genetic advance in wheat j. Anther size, heritability, ovary size, sensitivity, spike dry weight, wheat. The experiment was performed in randomized block design in three replications. Genetic control and heritability of fhb resistance in spring bread wheat journal of agriculture food and development, 2015, vol. Heritability of resistance in winter wheat to wheat. High heritability of a trait gives an indication of the progress that can be made for the improvement of that trait.
It provides food to 36% of the global population, and contributes 20% of food calories. Genotypes ajeet kumar, amit kumar, vikas rathi and kushal pal singh tomer department genetics and plant breeding, c. Comparison of methods for calculating the heritability of. However nothing has been done at gurage zone and therefore a total of twenty five bread wheat triticumaestivum l. Estimates were obtained by these various methods for a set of eight bread wheat triticum aestivum lines adapted to the east african highlands, which had been intercrossed. Seven f3 progenies and their 8 parental lines of spring wheat were evaluated for some genetic parameters viz. Genetic variability, heritability and correlation study of. Genetic variability, heritability and genetic advancement in f 3 population of wheat anwar shah1, jalal amin1, shamsher ali2, abdul rab3, sania hayat4, zarlish wahab5, farooqiazam6, muhammad zakir7, farman ghani1, muhammad riaz khan1, ghulam hassan1 and abid ali1 1. Heritability estimates and correlation analysis in bread. Spike length exhibited highest heritability value of 0. Variability, heritability and genetic advance analysis in. Genetic variability, heritability and genetic advance in bread wheat. Heritability in various morphological traits in wheat int. Genetic variability, heritability and genetic advance in.
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