Jul 29, 2017 in order to determine the heritability and combining ability of the parents and crosses, a complete diallel cross study of five wheat varieties was performed with parents and a total number of 20 f2 progenies under normal conditions in randomized complete block design rcbd with three replications at the nuclear agricultural research institute. After removing two interacting arrays, genetic analysis indicated that an additivedominance model of gene action satisfactorily explained the. Full diallels require twice as many crosses and entries in. Materials and methodseight varieties of wheat triticum aestivum l. Bread wheat, phytic acid, biological yield, grain yield, diallel analysis, inheritance, heritability. Two diallel series of crosses, each involving nine srw parents, were.
There are four main types of diallel mating design. Application of diallel analyses in crop improvement 1chukwu, s. It implies that the wheat parents used in this study have complementary genes, and these traits can be assessed together in the diallel analysis. Research article partial diallel analysis of genetic behavior. Diallel analysis of winter wheat at two nitrogen levels le. Combing ability and heterosis analysis for yield and its.
Diallel analysis of mixing ability, analogous to genetic analysis of combining ability, demonstrated that pure lines differed in their ability to determine both grain yield and protein in mixtures. Fellahi zea, hannachi a, bouzerzour h 2015 partial diallel analysis of genetic behavior for several polygenic traits in bread wheat triticum aestivum l. The diallel analysis was conducted according to griffing with year, genotype, and treatment as fixed effects. Diallel analysis of winter wheat at two nitrogen levels. Diallel analysis of wheat grain protein content and yield 1. Diallel analysis of agronomic, physiological and metabolite. A diallel cross analysis of heading date in wheat hilgardia. Genetic analysis of morphophysiological traits and yield. Comparison of the efficiency among half diallel methods in the. It is the leading grain crop of the temperate climates of the world, just as rice in the tropics. Combining ability analysis over f 1 f 5 generations in. While soft red winter srw wheat breeders have begun to characterize germplasm for resistance, little information is available on the value of cultivars as parents in breeding for fhb resistance. Our objective was to evaluate the type of gene action and the general and specific combining abilities required for various morphological traits in wheat. Diallel analysis approaches to identify superior spring.
Wheat and barley research diallel analysis of some grain yield. The parents and 10 f1 progenies were evaluated in the greenhouse by three. The diallel analysis studies developed by hayman 1954 and jinks 1955, provides a fairly reliable mechanism to properly understand the nature of gene action involved in the development of complex genetic characters of economic value. Analysis of combining ability in wheat triticum aestivum l. Pdf one of the most important tasks in a wheat breeding program is the development of high yielding wheat cultivars by crossing the parents. Based on prescreening results of 10 wheat genotypes, five wheat genotypes 3 with high and 2 with low phytic acid concentration were crossed in all possible combinations during 200708 to generate a 5. Pdf diallel analysis for plant height in winter wheat. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of quantitative traits in a full diallel, all parents are crossed to make hybrids in all possible combinations. Biplot analysis of diallel crosses for yield and some of. Diallel cross analysis in durum wheat triticum durum desf.
Diallel analysis of the latent period of stripe rust in wheat. Combining ability analysis for grain filling duration and yield traits in. Significant positive heterotic effects were obtained for most of the characters studied in the f 1 generations. Variations include half diallels with and without parents, omitting reciprocal crosses.
Diallel analysis of some important grain yield traits in bread wheat crosses. Diallel analysis for the inheritance study of phytic acid. Analysis of variance for combining ability of grains spike1. Pdf diallel analysis of some important grain yield traits in bread. Inheritance of the grain number per spike in diallel cross. One of the most important tasks in a wheat breeding program is the development of high yielding wheat cultivars by crossing the parents with good general combining ability gca and selecting desirable genotypes within its segregating generations for. Diallel analysis of some important morphophenological. Diallel analysis of fusarium head blight resistance in. Significant genetic variability existed for days to heading, days to maturity, plant height, number of spikes per plant, number of grains per spike, grain yield per plant and grain weight. Full diallel in which parents and reciprocal crosses are. Thell parents n 11 and their f 1 n 55 and f 2 n 55 offspring was carried out for the following four traits.
Biplot analysis of diallel data in strip rust of wheat. Diallel analysis of wheat streak mosaic virus resistance in. Mochinery, foculty of agriculture, university of selcuk. Pdf the mode of inheritance and gene effect for plant height of 7x7 half diallel crosses of wheat varieties and lines was evaluated in f1 and f2. The ability to predict mixture performance based on pure line performance, together with the potential for above average grain yield, suggested that. From the practical point of view, diallel mating designs provide a very simple and convenient method. The five parent and ten f 1 progeny were grown in the glasshouse and were inoculated with three rust pathotypes at the seedling stage. Diallel cross analysis of plesiomorphic traits triticum. Comparison of the efficiency among half diallel methods in. Genetic analysis was conducted for grain yield and its component traits in a set of bread wheat genotypes following a diallel excluding reciprocals mating.
Pdf diallel cross analysis in durum wheat triticum. Analysis of the data indicated that a few major genes with dominance effects were the most important. Thell parents n 11 and their f1 n 55 and f2 n 55 offspring was carried out for the following four. Diallel analysis of some important morphophenological traits. Jul 29, 2019 a study of combining ability for improving bread wheat yield and yield components was carried out via genotype plus genotype.
The diallel dataset of the five cultivars was carried out by diallel gge biplot analyze. The 21 f1 hybrids and parental lines were tested in replicated plots over 2 yr without n fertilizer n0 or with 150 kg n ha. Pdf diallel cross analysis in durum wheat triticum durum. Inheritance of the grain number per spike in diallel cross of. Highly significant difference was also reported in 5. Diallel analysis of wheat streak mosaic virus resistance. Diallel analysis for the inheritance study of phytic acid along with morphoyield traits in bread wheat ijaz ahmad1, fida mohammad1, sultan akber jadoon1, aurang zeb2, fazal munsif3 and wiqar ahmad4 1department of plant breeding and genetics, the university of agriculture, peshawar, pakistan.
Sd isolate and evaluated for reaction under greenhouse conditions. This analysis was applied to data on the severity of yellow rust infection in an f1f2 half diallel cross among eight bread wheat lines adapted to the east african highlands. Diallel analysis was thus employed to determine the pattern of gene action for yield potential. A diallel analysis of drought tolerance indices at seedling. A complete diallel cross of 10 selected wheat varieties was grown for three years 19571959 at davis, california, to determine whether genetic information useful in the breeding of selfpollinated plants could be obtained from parental and f1 data. Diallel analysis of cultivar mixtures in winter wheat acsess wiley. Combining ability analysis for grain filling duration and.
Jun 01, 2016 analysis of variance reveals that parents, direct and reciprocal crosses showed highly significant differences for grains per spike showing that grains per spike were different in numbers in parents, direct and reciprocal cross. Performance of different bread wheat varieties for yield. Pdf the mode of inheritance and gene effect for spike length of 5x5 full diallel crosses of wheat varieties was estimated in f1 generation. Pdf combining ability of wheat genotypes in two models of. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of qualitative and quantitative traits. Significant effects of the gca and sca based on multivariate diallel analysis also were observed by benin et al. Diallel analysis of wheat grain protein content and yield. Nine winter wheat genotypes with differential reaction to wsmv were crossed in a complete diallel mating design to determine the combining ability of wsmv resistance. Pdf genetics of yield and related traits in bread wheat. Analysis of variance for combining ability for the grain number per spike in a 5 x 5 diallel cross of wheat grain number per spike in diallel cross of 5x5 bread wheat cultivars 167 source of variance f t df ss ms f 0.
Seven winter wheat cultivars were used to produce a 7. Due to its high adaptation and multiple uses, importance in wheat breeding programme. Analysis of variance indicated significant effects of. It offers a great wealth of material for genetic studies due to its wide ecological distribution. The mean squares due to gca and sca showed highly significant differences for all the. A half diallel was made amongst five wheat triticum aestivum l. It is the leading grain crop of the temperate climates of. Six bread wheat genotypes were used to obtain f1 in a diallel cross matings at the gachsaran field station, dryland agricultural research institute during 201220 cropping seasons. In order to study genetic architecture of physiological criteria of drought tolerance in wheat using different diallel techniques, an experiment was conducted on six. Bread wheat, diallel analysis, inheritanc e, planting dates, yield introduction wheat triticum aestivum l. The increase in wheat production remains always an issue for sustainability of supply to the increasing population. In order to estimate the magnitude of combining ability and heterosis of wheat, 15 hybrids were synthesised in a 6. The general and specific combining ability variances were significant in all generations for all the traits except specific combining ability variance for number of spikes per plant in.
A halfdiallel mating system was used to evaluate six wheat cultivars and their f1 and f2. Advancement in the yield of wheat requires certain information regarding the. May 19, 20 five bread wheat cultivars kokart, domino, ruapuna, pool, and tiritea, showing a wide response to yellow rust, were intercrossed in all combinations to provide a f1 half diallel for assessing disease infection type in iran. Mean squares from diallel analysis for different characters in wheat.
The f 2 data from a 4 parent half diallel cross was used for combining ability analysis. One of the several biometrical procedures available to plant breeders for evaluating and characterizing genetic variability existing in a crop species is diallel analysis. Analysis of variance revealed the presence of significant variance due to gca among the parent for all. Combining ability analysis over environments in diallel. Application of diallel analyses in crop improvement.
Two diallel series of crosses, each involving nine srw parents, were evaluated in both the greenhouse and field near lexington, ky. Diallel analysis of wheat grain protein content and yield in f 1 and f 2 generations under contrasting nitrogen conditions a. Genetic characterization in 5 x 5 diallel crosses for yield traits in. The diallel analysis method has been frequently used for parent selection as an appropriate scheme to obtain genetic information of yield traits in a short period of time, which can be used for improving efficiency in wheat breeding programs kohan and heidari, 2014.
Heterosis and combining ability analysis were studied in a 7 x 7 diallel set of bread wheat. Five populations p1, p2, f1, f2 and f3 for three cross namely sakha 93 x line32, giza 168 x line 42 and sakha 93 x giza 168 were used in this investigation to study the genetic behavior of yield and its components. Pdf combining ability of wheat genotypes in two models. Diallel analysis of cultivar mixtures in winter wheat. Performance of different bread wheat varieties for yield and. Analysis of variance for general combining ability gca and. Abd elaleem3 and zainab elrashidy4 1 department of agronomy, faculty of agriculture, cairo university, giza, egypt. Pdf diallel analysis for spike length in winter wheat. Genetic analysis of yield and its attributes in wheat triticum. Research article partial diallel analysis of genetic. Diallel analysis of anther culture response in wheat triticum.
Due to its high adaptation and multiple uses, importance in wheat. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of quantitative traits. Nine parents of bread wheat and 20 derived f2 hybrid populations developed in a partial diallel scheme group 1 composed 5 parents and group 2 contained 4. Diallel analysis is an appropriate design for estimating genetic parameters in structured, nonrandom parents population hakizimana et al. A diallel analysis of drought tolerance indices at. We conducted a 5 x 5 complete diallel cross experiment in bread wheat triticum aestivum with the genotypes 6309, chkwal50, dhrabi, bhkhar02, and fs08. Combining ability analysis was undertaken in a 12 x 12 half diallel progeny of bread wheat for grain yield and its component characters under timely e 1 and late sown e 2 conditions. In summer 2006, a part of f 1 seeds was sown in greenhouse of wheat res. Diallel crosses in season 20052006, a half diallel of crosses involving the six parents without reciprocals was done at giza agric. Significant positive heterotic effects were obtained for most of the characters studied in the f 1. Genetic analysis of yield traits from half diallel crosses was carriedout. Inheritance pattern of earliness and yield traits in halfdiallel crosses.
One of the most important tasks in a wheat breeding program is the development of high yielding wheat cultivars by crossing the parents with good general. The data obtained were subjected to analysis of variance to test genotype effect according to steel and torrie 12. Diallel analysis of some grain yield traits in wheat. The partial diallel model developed by hayman 5 and modified by viana et al 10 was used for genetic analysis. A partial diallelcross study involving nine bread wheat cultivars was carried out to determine the inheritance pattern of grain yield and related.
Combined analysis of variance for wheat streak mosaic this experiment was conducted twice in the greenhouse in virus wsmv symptom rating in a 9by9 complete diallel two different planting environments winter and spring. Genetic analysis of physiological indicators of drought tolerance in bread wheat using diallel technique. Parents, f 1, and reciprocal crosses were inoculated at the seedling 23 leaves stage with a wsmv. Diallel analysis for the estimation of the genetic parameters. Combining ability, bread wheat, diallel analysis, gca, sca abstract pooled analysis of 8 genotypes of wheat of diverse origin, their 28 f 1s and 2 checks was carried out in 4 different environments to study the combining ability in bread wheat for grain yield and its component traits. The traits which showed significant difference among genotypes were further subjected to genetic analysis. Analysis of combining ability in wheat triticum aestivum. Diallel analysis of fusarium head blight resistance in soft. Diallel analysis of some important morphophenological traits in. Diallel analysis approaches to identify superior spring wheat. Analysis of genetic components of important traits in wheat. The major portion of the total genetic variability for these traits was due to additive type of gene action. Heterosis and combining ability analysis in bread wheat. Join researchgate to discover and stay uptodate with the latest research from leading experts in diallel analysis and many other.
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