Diallel cross analysis of plesiomorphic traits triticum. Heterosis and combining ability analysis for yield and its. In the estimation of genetic variance components for an ancestral reference population in. Genetic study of agronomic traits in barley based diallel cross analysis. The study in general determined the heterosis and combining ability for yield and quality characteristics of chinese corn hybrids. Diallel analysis to predict heterosis and combining ability for grain yield, yield components and breadmaking quality in bread wheat t. Variations include half diallels with and without parents, omitting reciprocal crosses. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of. Principles and utilization of combining ability in plant. Griffing 1956 provided clear statements of methods of analysis of diallel crosses in terms of general and specific combining ability and the circumstances in which each method of. 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. One of the suitable means to detect performance of offsprings is diallel mating system, a method whereby the parents and progeny performance can be statistically separated into components relating to gca and sca.
From a statistical point of view the critical issue concerns the choice of a model with fixed or random genotypic effects. Analysis of a combined f1f2 diallel cross in wheat oar. Combining ability analysis over environments in diallel. Combining ability analysis in diallel crosses of wheat triticum aestivum l in order to realize the combining ability of wheat, 15 hybrids were synthesised in a 6 x 6 diallel fashion excluding reciprocals and to isolate the good combiner for various yield component traits. In order to study genetic architecture of physiological criteria of drought tolerance in wheat using different diallel techniques, an experiment was conducted on six. 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. Feb 25, 2000 for both grain yield and protein, performance in mixtures was highly correlated with the average of the two component pure lines. Pdf diallel analysis for plant height in winter wheat.
Full diallel crosses, combining ability analysis, additive gene action, wheat grain yield improvement. Combining ability in the f1 and f2 generations of diallel. 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 generation. A new mixed analytical method for genetic analysis of diallel data, the canadian journal of forest research. In the estimation of genetic variance components for an ancestral reference population in equilibrium. Combining ability of biological yield and harvest index in. There are four main types of diallel mating design. Abstract due to high production cost and prevention of environmental pollution, it is important to reduce the amount of nitrogen n fertilizer used on wheat. Jul 29, 2019 a study of combining ability for improving bread wheat yield and yield components was carried out via genotype plus genotype. Diallel analysis and its applications in plant breeding.
A diallel analysis for panicle number, tiller number, panicle length, spikelet number and the number of primary branch in f 1 progeny. Read diallel analysis to predict heterosis and combining ability for grain yield, yield components and breadmaking quality in bread wheat t. Hill, j and wagoire, w w and ortiz, r and stlen, o 2001 analysis of a combined f1f2 diallel cross in wheat. Diallel analysis to predict heterosis and combining. From the practical point of view, diallel mating designs provide a very simple and convenient method. Diallel cross refers to mating of selected parents in all possible combinations and evaluation of a set of diallel crosses is known as diallel analysis. Analysis of variance revealed the presence of significant variance due to gca among the parent for all. Part of theagricultural science commons,agriculture commons,agronomy and crop sciences commons,biostatistics commons, and thegenetics commons. Some issues which evidently remain as areas of contention in diallel analysis are reveiwed. The semidwarf wheats reduced the yield loss due to lodging resistance. Diallel analysis of wheat parents and their f2 progenies.
Analysis of variance for general combining ability gca and. Analysis of a conventional diallel cross offers only perfectfit estimates of the genetic components of variation, but no test for the goodness of fit of the model based on these estimates. Analysis of variance indicated significant effects of. A half diallel crosses was practiced among six diversed bread wheat triticum aestivum l. Pdf grain yield and grain protein content gpc of bread wheat are crucial determinants of its profitability and product quality. A comparison of six tomato varieties as parents of f1 lines resulting from the fifteen possible crosses. Diallel analysis for some agronomic traits in rice oryza. 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. Thell were analyzed for combining ability for quantitative and quality traits. In a full diallel, all parents are crossed to make hybrids in all possible combinations.
From a genetical point of view, two assumptions are critical in attempts to interpret the resuits of diallel analyses. 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. 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. The f1 of the fifteen crosses and the six parents were grown. Genetic analysis of physiological indicators of drought tolerance in bread wheat using diallel technique.
Good values for the sca in direct crosses demonstrated the combinations of presto x lasko, presto x tr. Inheritance pattern of earliness and yield traits in half. Diallel analysis of wheat grain protein content and yield in f 1 and f 2 generations under contrasting nitrogen conditions. Diallel analysis of combining ability for yield and yield. For both grain yield and protein, performance in mixtures was highly correlated with the average of the two component pure lines. Analysis of variance revealed the presence of significant variance due to. Diallel analysis of combining ability for yield and yield contributing traits over the environments in maize zea mays l. The crosses were attempted by adopting diallel analysis excluding reciprocals involving eight elite genotypes during rabi2009.
Diallel analysis of some important grain yield traits in bread wheat crosses article pdf available in turkish journal of field crops 221. In this study, four methods of diallel analysis were used to estimate the general gca and specific sca combining. From the practical point of view, diallel mating designs provide a. Package diallelanalysisr april 9, 2016 type package title diallel analysis with r version 0. Combining ability analysis for grain filling duration and.
Diallel analysis of wheat streak mosaic virus resistance in. Diallel analysis approaches to identify superior spring wheat. We conducted a 5 x 5 complete diallel cross experiment in bread wheat triticum aestivum with the genotypes 6309, chkwal50, dhrabi, bhkhar02, and fs08. Diallel analysis of some grain yield traits in wheat. We used a halfdiallel analysis, which gives information on the magnitude of general and specific combining abilities and trait heritabilities 2527, using 10 parents from different genetic backgrounds, origins, and morphological characteristics. 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. Research article partial diallel analysis of genetic behavior. Genetic study of agronomic traits in barley based diallel.
Original article, report by advances in environmental biology. Diallel mating design is used to evaluate several inbred lines in terms of combining ability variances and effects. The mode of inheritance, calculated for each combination. Buy diallel analysis for some agronomic traits in rice oryza sativa l. Thell parents n 11 and their f 1 n 55 and f 2 n 55 offspring was carried out for the following four traits. Proper analysis of the diallel mating design jay r. Griffing 1956 provided clear statements of methods of analysis of diallel crosses in terms of general and specific combining ability and the circumstances in which each method of analysis should be used. The parents and hybrids were characterized for a wide number of traits of agronomic interest. The mean squares due to gca and sca showed highly significant differences for all the. Pdf diallel analysis for spike length in winter wheat. Diallel designs, analyses, and reference populations. Application of diallel analyses in crop improvement. When f2 progenies are available, however, combining f1 and f2 diallels in a single experiment overcomes these problems.
Environmental issues agronomy research anopheles barley genetic aspects growth dominance genetics genes genetic research genetic variation identification and classification grain seeds. Diallel analysis of grain number per spike in triticale 1111 tivars presto and tr. Analysis of a combined f1f2 diallel cross in wheat icrisat. Crop science abstract issues in diallel analysis digital. Research article partial diallel analysis of genetic. Diallel analysis of wheat streak mosaic virus resistance. Pdf diallel analysis of some important grain yield.
Kiran1, prashant bisen1 and santosh kumar2 1department of plant breeding and genetics, rajasthan college of agriculture, maharana pratap. Diallel analysis of wheat parents and their f2 progenies under medium and low level of available n in soil. Pdf diallel analysis of wheat grain protein content and yield in f. Diallel analysis of wheat parents and their f2 progenies under. Our objective was to evaluate the type of gene action and the general and specific combining abilities required for various morphological traits in wheat. Among the various diallel techniques, combining ability analysis developed by griffing. An incomplete diallel cross study comprising of seven bread 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. Diallel is a greek word and introduced by schmidt in 1919. Diallel analysis of wheat streak mosaic virus resistance in winter wheat frederic hakizimana, amir m.
Analysis of the data indicated that a few major genes with dominance effects were the. The present wheat breeding for plant height is based on the incorporation of growth semidwarf habit in commercial wheat cultivars. Fellahi zea, hannachi a, bouzerzour h 2015 partial diallel analysis of genetic behavior for several polygenic traits in bread wheat. These genotypes were crossed in a halfdiallel fashion during 20102011 to get 15 cross combinations. Diallel analysis of tiller number at different growth stages. Diallel genetic analysis for multiple traits in eggplant. Full diallel in which parents and reciprocal crosses are.
Sughroue iowa state university follow this and additional works at. Diallel analysis approaches to identify superior spring. 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. Several methods for analysis have been adopted in which parents may be pure lines or open pollinated varieties. Diallel analysis to predict heterosis and combining ability for grain. Heterosis and combining ability for yield and quality. The results indicated significant differences among the parents for general combining ability gca and crosses for specific combining ability sca for all the characters studied. Traits in diallel crosses of bread wheat triticum aestivum l. Comparison of the efficiency among half diallel methods in.
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. Principles and utilization of combining ability in plant breeding. A diallel cross analysis of heading date in wheat hilgardia. One of the several biometrical procedures available to plant breeders for evaluating and characterizing genetic variability existing in a crop species is diallel analysis. Abstract due to high production cost and prevention of environmental pollution, it is important to reduce the amount of nitrogen n fertilizer used on wheat triticum aestivum l. Analysis of combining ability over environments in diallel. Heterosis and combining ability analysis were studied in a 7 x 7 diallel set of bread wheat. 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. Pdf diallel analysis of wheat grain protein content and. Pdf diallel analysis of some important grain yield traits in bread. Combining ability, heterosis and gene action on free shipping on qualified orders. Diallel analysis of cultivar mixtures in winter wheat. Griffi ng 1956 a,b expressed analysis of diallel crosses in four various methods including complete diallel with parents, half diallel with parents, complete diallel without parents, and half diallel without parents. Genetic analysis of grain yield per spike and some agronomic.
Diallel designs, analyses, and reference populations heredity. Genetic analysis of grain yield per spike and some. Genetic analysis of plant height and its components in. Biplot analysis of diallel crosses for yield and some of. Diallel analysis of agronomic, physiological and metabolite. The genetic analysis variance, combining ability, correlations, and path coefficient. Application of diallel analyses in crop improvement 1chukwu, s. Diallel analysis and its applications in plant breeding pdf.
940 102 9 891 122 96 1431 112 866 1424 583 839 1266 601 1407 1496 1432 1494 1229 818 1291 199 1347 688 617 134 119 567 221 815 1594 1553 840 1284 733 182 1130 259 1499 1145 69 1393 522 477 747