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. Proper analysis of the diallel mating design jay r. Diallel analysis of some important morphophenological traits in. Hayman is used for performing diallel analysis using haymans approach. Analysis of a combined f1f2 diallel cross in wheat oar. 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. A diallel cross is a mating scheme used by plant and animal breeders, as well as geneticists, to investigate the genetic underpinnings of. Prezi al files qpen cancel 1 10 11 env rep prezi blk plot 16 entry male 37 42 39 41 47 17 26.
The use of griffings diallel analysis in determining. Several methods for analysis have been adopted in which parents may be pure lines or open pollinated varieties. Combining ability analysis in complete diallel cross of. Diallel analysis of wheat streak mosaic virus resistance.
Variations include half diallels with and without parents, omitting reciprocal crosses. 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. Pdf diallel analysis of some important grain yield traits in bread. Abstract diallel analyses are commonly used for the estimate of population genetic effects. 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. Articles combining ability of wheat genotypes in two. Ratulangi 274 maros, south sulawesi 90514, indonesia. Diallel analysis of wheat streak mosaic virus resistance in winter. Diallel genetic analysis for multiple traits in eggplant. In order to study genetic architecture of physiological criteria of drought tolerance in wheat using different diallel techniques, an experiment was conducted on six. Different models can be used, with a direct effect on the inferences. Sazetak dialelnim krizanjem cetiri sorte psenice pobeda, renesansa, sara i partizanka je ispitan ucinak gena za broj i masu zrna po klasu. Pdf one of the most important tasks in a wheat breeding program is the development of high yielding wheat cultivars by crossing the parents. The mean squares due to gca and sca showed highly significant differences for all the.
It is the leading grain crop of the temperate climates of. Mian ahmad raza, ghulam hassan and naqib ullah khan. Over 10 million scientific documents at your fingertips. Combining ability in the f1 and f2 generations of diallel cross in hexaploid wheat triticum aestivum l. Salazar 2 1indonesian cereals research institute jalan dr. Pdf diallel analysis of wheat grain protein content and. Results of the diallel analysis, indicated that the components associated with additive. This study presents theory and analysis of partial diallel. Genetic analysis of important morphological traits using diallel analysis in wheat. Combining ability in the f1 and f2 generations of diallel cross in. Analysis of variance revealed the presence of significant variance due to gca among the parent for all. 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.
The genetic analysis variance, combining ability, correlations, and path. Genetic analysis of physiological indicators of drought tolerance in bread wheat using diallel technique. Sughroue iowa state university follow this and additional works at. Analysis of the data indicated that a few major genes with dominance effects were the most important.
Good values for the sca in direct crosses demonstrated the combinations of presto x lasko, presto x tr. The present investigation entitled diallel studies in bread wheat triticum aestivum l. Genetic study of agronomic traits in barley based diallel cross analysis. Diallel cross analysis of plesiomorphic traits triticum. 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.
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. 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 analysis and separation of genetic variance. 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. Part of theagricultural science commons,agriculture commons,agronomy and crop sciences commons,biostatistics commons, and thegenetics commons.
Diallel mating design is used to evaluate several inbred lines in terms of combining ability variances and effects. In india, wheat is the second most important cereal crop after rice. Total ten diverse genotypes of bread wheat were crossed in half diallel fashion. Predicting yield and stability analysis of wheat under. 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. When f2 progenies are available, however, combining f1 and f2 diallels in a single experiment overcomes these problems. According to sca and gy, they classified lines cml171, cml161, and cml166 into one heterotic group, lines chang. Heterosis and combining ability analysis were studied in a 7 x 7 diallel set of bread wheat. The f0 resulting seeds were grown in 20112012 crop season to develop the. 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.
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. Our objective was to evaluate the type of gene action and the general and specific combining abilities required for various morphological traits in wheat. Biplot analysis of diallel data in strip rust of wheat. This also includes determination of the number of major genetic factors or genes responsible for the traits. Diallel analysis of wheat streak mosaic virus resistance in winter wheat. Genetic analysis of grain yield per spike and some. 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. International and wheat improvement center analysis of genetic designs dianel by tester north carolna.
Genetic study of agronomic traits in barley based diallel. Kiran1, prashant bisen1 and santosh kumar2 1department of plant breeding and genetics, rajasthan college of agriculture, maharana pratap. Analysis of combining ability over environments in diallel. Combining ability analysis over environments in diallel. Diallel analysis of wheat grain protein content and yield. Diallel analysis using hayman approach in diallelanalysisr. Diallel analysis and its applications in plant breeding. Bread wheat, diallel analysis, inheritanc e, planting dates, yield introduction wheat triticum aestivum l. It was termed gge biplot wheat resistance to stagonospora nodorum blotch to emphasize that it displays both genotype main effect du et al. Diallel analysis for seed yield and related traits in an. Agdr analysis of genetic designs with r for windows. We conducted a 5 x 5 complete diallel cross experiment in bread wheat triticum aestivum with the genotypes 6309, chkwal50, dhrabi, bhkhar02, and fs08. Application of diallel analyses in crop improvement 1chukwu, s. Diallel analysis to predict heterosis and combining ability for grain.
Diallel analysis and its applications in plant breeding pdf. Genetic analysis of morphophysiological traits and yield. Diallel analysis of combining ability for yield and yield. Crop science society of america and american society of agronomy. In this study, four methods of diallel analysis were used to estimate the general gca and specific sca combining. Traits in diallel crosses of bread wheat triticum aestivum l. Analiza varijance kombinirajucih sposobnosti ukazuje na znacajan udio. Abd elaleem3 and zainab elrashidy4 1 department of agronomy, faculty of agriculture, cairo university, giza, egypt. Pdf diallel analysis of wheat grain protein content and yield in f. Genetic analysis of important morphological traits using. Leastsquare estimates of these components can be calculated, errors attached to them. Pdf grain yield and grain protein content gpc of bread wheat are crucial determinants of its profitability and product quality. 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.
Heterosis was determined as outlined by foohad and bassiri 1983. The parents and hybrids were characterized for a wide number of traits of agronomic interest. 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. 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.
In a full diallel, all parents are crossed to make hybrids in all possible combinations. Combining ability for grain yield, yield components, and several agronomic and qualitative traits, was studied in a sevenparent diallel cross. 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. Information on the general and specific combining abilities and their interactions with environments will be helpful in the analysis and interpretation of. Package diallelanalysisr april 9, 2016 type package title diallel analysis with r version 0. 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. 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 definition of diallel by the free dictionary. 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 mode of inheritance, calculated for each combination. Diallel is a greek word and introduced by schmidt in 1919. The diallel dataset of the five cultivars was carried out by. A major objective of biometrical genetics is to explore the nature of gene action in determining quantitative traits. Application of diallel analyses in crop improvement. Diallel analysis of grain number per spike in triticale 1111 tivars presto and tr. 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. 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. The crosses were attempted by adopting diallel analysis excluding reciprocals involving eight elite genotypes during rabi2009. 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. Diallel analysis repeated over environments proposed by matizinger et al. Combining ability analysis for grain filling duration and. Diallel analysis of combining ability for yield and yield contributing traits over the environments in maize zea mays l. Pdf diallel analysis of quantitative traits in wheat.
Inheritance of septoria tritici blotch resistance in winter wheat x. Inheritance of septoria tritici blotch resistance in. Environmental issues agronomy research anopheles barley genetic aspects growth dominance genetics genes genetic research genetic variation identification and classification grain seeds. 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. Inheritance of drought tolerance indicators in bread wheat. Combining ability analysis for grain filling duration and yield traits in spring wheat triticum aestivuml. The procedure requires two runs of proc varcomp and results in estimates of. 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. Diallel analysis of wheat grain protein content and yield in f 1 and f 2 generations under contrasting nitrogen conditions a. Genetic improvement of wheat yield is the most targeted trait by breeders to. K ing 2 received 23rd june 1997 abstract procedures to analyze halfdiallel mating designs using the sas statistical package are presented. 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.
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