The use of griffings diallel analysis in determining. Predicting yield and stability analysis of wheat under. Pdf diallel analysis of some important grain yield traits in bread. Sughroue iowa state university follow this and additional works at. Analysis of combining ability over environments in diallel. Over 10 million scientific documents at your fingertips. Pdf diallel analysis of quantitative traits in wheat. Salazar 2 1indonesian cereals research institute jalan dr. 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 f 1 halfdiallel for assessing disease infection type in iran. 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. Diallel cross designs are frequently used in plant breeding research to obtain information about genetic properties of parental lines or estimates of general and specific combining abilities and heritability iqbal et al. Diallel analysis of wheat streak mosaic virus resistance in winter wheat.
Crop science society of america and american society of agronomy. Diallel mating designs have been designed to deal with the type of genetic experiments that help assess variability in observed quantitative traits arising from genetic. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of. Genetic study of agronomic traits in barley based diallel cross analysis.
Good values for the sca in direct crosses demonstrated the combinations of presto x lasko, presto x tr. Diallel analysis using hayman approach in diallelanalysisr. Ratulangi 274 maros, south sulawesi 90514, indonesia. Combining ability analysis in complete diallel cross of. Biplot analysis of diallel data in strip rust of wheat. According to sca and gy, they classified lines cml171, cml161, and cml166 into one heterotic group, lines chang. Diallel analysis approaches to identify superior spring. Part of theagricultural science commons,agriculture commons,agronomy and crop sciences commons,biostatistics commons, and thegenetics commons. The objective of this study was to determine and compare two diallel analysis models, fixed and random, regarding the combining effects among six wheat genotypes. Abstract diallel analyses are commonly used for the estimate of population genetic effects. Abd elaleem3 and zainab elrashidy4 1 department of agronomy, faculty of agriculture, cairo university, giza, egypt.
Information on the general and specific combining abilities and their interactions with environments will be helpful in the analysis and interpretation of. It is the leading grain crop of the temperate climates of. 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. Results of the diallel analysis, indicated that the components associated with additive. Total ten diverse genotypes of bread wheat were crossed in half diallel fashion. N the usual form of diallel analysis genetic values are assumed as fixed, which may distort evaluations and even bias the estimated genetic values henderson 1975.
Application of diallel analyses in crop improvement. 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. Analiza varijance kombinirajucih sposobnosti ukazuje na znacajan udio. 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.
Diallel analysis of some important morphophenological traits in. Bread wheat, diallel analysis, inheritanc e, planting dates, yield introduction wheat triticum aestivum l. In india, wheat is the second most important cereal crop after rice. Inheritance of septoria tritici blotch resistance in. Application of diallel analyses in crop improvement 1chukwu, s. Genetic analysis of important morphological traits using diallel analysis in wheat. Pdf grain yield and grain protein content gpc of bread wheat are crucial determinants of its profitability and product quality. Combining ability in the f1 and f2 generations of diallel cross in hexaploid wheat triticum aestivum l. When f2 progenies are available, however, combining f1 and f2 diallels in a single experiment overcomes these problems.
Diallel analysis and separation of genetic variance. Combining ability analysis for grain filling duration and. The data were further subjected to the diallel analysis proposed by griffing 1956, method 2, model 1 all possible combinations excluding reciprocals to determine the combining ability to separate some components of genetic variance. Diallel definition of diallel by the free dictionary. Combining ability for grain yield, yield components, and several agronomic and qualitative traits, was studied in a sevenparent 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. In order to study genetic architecture of physiological criteria of drought tolerance in wheat using different diallel techniques, an experiment was conducted on six. Diallel analysis of wheat grain protein content and yield. Analysis of the data indicated that a few major genes with dominance effects were the most important. Traits in diallel crosses of 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. Prezi al files qpen cancel 1 10 11 env rep prezi blk plot 16 entry male 37 42 39 41 47 17 26.
Diallel analysis of combining ability for yield and yield. 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. Sazetak dialelnim krizanjem cetiri sorte psenice pobeda, renesansa, sara i partizanka je ispitan ucinak gena za broj i masu zrna po klasu. Genetic improvement of wheat yield is the most targeted trait by breeders to. 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.
Diallel analysis and its applications in plant breeding. Analysis of half diallel mating designs i a practical analysis procedure for anova approximation by g. The present investigation entitled diallel studies in bread wheat triticum aestivum l. Original article, report by advances in environmental biology. Combining ability in the f1 and f2 generations of diallel cross in. Articles combining ability of wheat genotypes in two. Diallel analysis for seed yield and related traits in an. Diallel cross analysis of plesiomorphic traits triticum. The investigation was carried out with ten parental lines of wheat and their fortyfive crosses in half diallel fashion with the objective to study genetic variability parameters, combining ability analysis and heterosis for yield and its contributing traits. Combining ability analysis over environments in diallel.
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. Combining ability of wheat genotypes in two models of diallel analyses objectives, but often the models are analyzed as fixed to simplify calculations resende 1999. Genetic analysis of physiological indicators of drought tolerance in bread wheat using diallel technique. K ing 2 received 23rd june 1997 abstract procedures to analyze halfdiallel mating designs using the sas statistical package are presented. Diallel is a greek word and introduced by schmidt in 1919. When you publish a paper including results which were obtained by utilizing dial, then please put a short sentence in your paper telling that dial98 was used. Diallel analysis of wheat streak mosaic virus resistance in winter. It was termed gge biplot wheat resistance to stagonospora nodorum blotch to emphasize that it displays both genotype main effect du et al. Genetic analysis of grain yield per spike and some. The genetic analysis variance, combining ability, correlations, and path. 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. This study presents theory and analysis of partial diallel. The parents and hybrids were characterized for a wide number of traits of agronomic interest. A major objective of biometrical genetics is to explore the nature of gene action in determining quantitative traits.
Jin abstract wilson1985 proposedthree differentgenes conferring septoria tritici blotch stb, a fungal foliar disease of wheat triti resistance to stb, designated slb1, slb2, and slb3. Diallel analysis of wheat grain protein content and yield in f 1 and f 2 generations under contrasting nitrogen conditions a. Mian ahmad raza, ghulam hassan and naqib ullah khan. Combining ability analysis for grain filling duration and yield traits in spring wheat triticum aestivuml. Diallel analysis of combining ability for yield and yield contributing traits over the environments in maize zea mays l. Analysis of a combined f1f2 diallel cross in wheat oar. Genetic analysis of important morphological traits using. The f0 resulting seeds were grown in 20112012 crop season to develop the. Different models can be used, with a direct effect on the inferences. Package diallelanalysisr april 9, 2016 type package title diallel analysis with r version 0. Our objective was to evaluate the type of gene action and the general and specific combining abilities required for various morphological traits in wheat. Combining ability studies for grain yield and its primary component traits in diallel crosses involving seven diverse wheat cultivars of bread wheat triticum aestivum l.
The mean squares due to gca and sca showed highly significant differences for all the. The mode of inheritance, calculated for each combination. Kiran1, prashant bisen1 and santosh kumar2 1department of plant breeding and genetics, rajasthan college of agriculture, maharana pratap. Demand for wheat is projected to continue to grow over the coming decades, particularly in the developing world to feed an increasing population, and with wheat being a preferred food, continuing to account for a substantial share of human energy needs in 2050 2.
The procedure requires two runs of proc varcomp and results in estimates of. Diallel analysis repeated over environments proposed by matizinger et al. The use of griffings diallel analysis in determining combining ability of philippines maize inbred lines for yield under biotic stress of bacterial stalk rot nuning a. In a full diallel, all parents are crossed to make hybrids in all possible combinations. Heterosis and combining ability analysis were studied in a 7 x 7 diallel set of bread wheat. Hayman is used for performing diallel analysis using haymans approach. International and wheat improvement center analysis of genetic designs dianel by tester north carolna. In this study, four methods of diallel analysis were used to estimate the general gca and specific sca combining. This also includes determination of the number of major genetic factors or genes responsible for the traits.
The diallel dataset of the five cultivars was carried out by. The crosses were attempted by adopting diallel analysis excluding reciprocals involving eight elite genotypes during rabi2009. Genetic analysis of morphophysiological traits and yield. Heterosis was determined as outlined by foohad and bassiri 1983. 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. Pdf diallel analysis of wheat grain protein content and. 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. Analysis of variance revealed the presence of significant variance due to gca among the parent for all. Pdf diallel analysis of wheat grain protein content and yield in f. 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. Several methods for analysis have been adopted in which parents may be pure lines or open pollinated varieties. Inheritance of septoria tritici blotch resistance in winter wheat x. Joshi 1department of genetics and plant breeding, institute of agricultural sciences. Pdf diallel analysis of wheat grain protein content and yield in f 1 and f 2 generations under contrasting nitrogen conditions editorial department and medhat al naggar academia.
Environmental issues agronomy research anopheles barley genetic aspects growth dominance genetics genes genetic research genetic variation identification and classification grain seeds. Leastsquare estimates of these components can be calculated, errors attached to them. We conducted a 5 x 5 complete diallel cross experiment in bread wheat triticum aestivum with the genotypes 6309, chkwal50, dhrabi, bhkhar02, and fs08. Genetic study of agronomic traits in barley based diallel. Inheritance of drought tolerance indicators in bread wheat. Diallel genetic analysis for multiple traits in eggplant. Diallel analysis and its applications in plant breeding pdf. Diallel analysis of wheat streak mosaic virus resistance. Variations include half diallels with and without parents, omitting reciprocal crosses. Diallel mating design is used to evaluate several inbred lines in terms of combining ability variances and effects. Proper analysis of the diallel mating design jay r. Agdr analysis of genetic designs with r for windows. Diallel analysis of grain number per spike in triticale 1111 tivars presto and tr. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
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