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Journal articles on the topic 'Half diallel'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Orhun, Gül Ebru, and Kayıhan Z. Korkut. "Inheritance Analysis of Linoleic Acid Content in Half Diallel Maize Populations." Greener Journal of Agricultural Sciences 4, no. 8 (2014): 321–25. https://doi.org/10.15580/GJAS.2014.8.063014285.

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In the last few years, the analysis of fatty acids has gained importance because of their nutritional and health implications. This increased attention led to a half dialell crossing design study during 2006 and 2007 seasons in Edirne -Turkey conditions. In this study, 28 F1 maize hybrids were obtained by 8x8 half diallel crossing. In half –diallel maize population, inheritance of linoleic acid content in grains and combining ability were investigated. Mean squares of inbred lines and hybrids were highly significant for all studies traits, indicating the genetic variance among lines. Thi

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2

Huber, Dudley A., Timothy L. White, and Gary R. Hodge. "The Efficiency of Half-Sib, Half-Diallel and Circular Mating Designs in the Estimation of Genetic Parameters in Forestry: A Simulation." Forest Science 38, no. 4 (1992): 757–76. http://dx.doi.org/10.1093/forestscience/38.4.757.

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Abstract A technique based on MIVQUE (minimum variance quadratic unbiased estimation) and the first approximation of the variance of a ratio was used to compare efficiency per unit observation in lowering the variance of estimation of three genetic ratios (single tree heritability, Type B correlation, and dominance-to-additive variance ratio). The efficiency comparisons were made over eight levels of genetic control for three mating designs (half-sib, half-diallel, and circular with four crosses per parent) with variable numbers of parents at two or five locations. The field design was held co

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3

Orhun, Gül Ebru, and Kayıhan Z. Korkut. "Inheritance Analysis of Linoleic Acid Content in Half Diallel Maize Populations." Greener Journal of Agricultural Sciences 4, no. 8 (2014): 321–25. http://dx.doi.org/10.15580/gjas.2014.8.063014285.

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4

ZENG, WEN, SUJIT GHOSH, and BAILIAN LI. "A blocking Gibbs sampling method to detect major genes with phenotypic data from a diallel mating." Genetical Research 83, no. 2 (2004): 143–54. http://dx.doi.org/10.1017/s0016672304006718.

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Diallel mating is a frequently used design for estimating the additive and dominance genetic (polygenic) effects involved in quantitative traits observed in the half- and full-sib progenies generated in plant breeding programmes. Gibbs sampling has been used for making statistical inferences for a mixed-inheritance model (MIM) that includes both major genes and polygenes. However, using this approach it has not been possible to incorporate the genetic properties of major genes with the additive and dominance polygenic effects in a diallel mating population. A parent block Gibbs sampling method

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5

Zeng, Wen, and Bailian Li. "Simple Tests for Detecting Segregation of Major Genes with Phenotypic Data from a Diallel Mating." Forest Science 49, no. 2 (2003): 268–78. http://dx.doi.org/10.1093/forestscience/49.2.268.

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Abstract Three simple statistical tests (the Bartlett test, the log-ANOVA test, and the Fain test) were investigated for detecting the segregation of major genes controlling a quantitative trait in half-diallel mating populations. Eight experimental diallel progeny populations of loblolly pine (Pinus taeda L.) from a breeding program were analyzed to detect major gene segregation for 6 yr tree height. The results from three simple tests indicated that there could be major gene segregation for 6 yr height in three diallels. Data with different degrees of major and polygenic effects were simulat

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6

Olfati, J. A., H. Samizadeh, B. Rabiei, and Gh Peyvast. "Griffing's Methods Comparison for General and Specific Combining Ability in Cucumber." Scientific World Journal 2012 (2012): 1–4. http://dx.doi.org/10.1100/2012/524873.

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A comparison among two forms of half-diallel analysis was made. The different half-diallel techniques used were Griffing's model I, method 2 and 4. These methods of diallel analysis were found to be interrelated. However, as Griffing's model I, method 4 partitioned heterosis into different components as well as gave information about combining ability and this method had certainly some advantages over the other. The results further indicated using parental generations in the second Griffing method may cause biased estimate of the GCA and SCA variances. Thus, using the fourth Griffing method is

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7

Akgören Palabiyik, Gülçin, İsmail Poyraz, and Ahmet Umay. "The determination of the resistance inheritance against common bunt in wheat and half-diallel hybrids." Plant Protection Science 55, No. 4 (2019): 254–60. http://dx.doi.org/10.17221/153/2018-pps.

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This study was conducted to determine the inheritance of common bunt resistance in twelve bread wheat varieties and their half-diallel hybrids in Turkey. The disease ratings were performed on the F2 generations of the hybrids in field conditions. The obtained data were analysed by the χ2 test to determine the effective gene numbers and inheritance type in the disease resistance. In addition, the data were evaluated according to the Jinks-Hayman diallel analyses. In conclusion, it was found that of the twelve wheat parents, four contained three resistance genes and four of them contain two resi

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8

Skrøppa, Tore, Thomas Mørtvedt Solvin, and Arne Steffenrem. "Diallel crosses in Picea abies VI. Genetic variation in early reproduction in three young Norway spruce progeny trials." Silvae Genetica 73, no. 1 (2024): 142–48. http://dx.doi.org/10.2478/sg-2024-0014.

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Abstract Female flowering and cone production took place in three Norway spruce progeny tests at ages 17 and 20 years, each planted with full-sib families from a half diallel. The number of cones on individual trees were scored in five classes. More than 50 % of the trees produced cones, and a considerable variation was found among families for the ability to produce cones (precocity) and for the number of clones scored in classes (fruitfulness). Both traits were strongly related to tree heights and diameters at the individual and at the family level. In general, tall trees produced the highes

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9

Rameeh, Valiollah. "Effect of number of parents on some important biometric genetic parameters in rapeseed (Brassica napus L.)." Biometrical Letters 55, no. 1 (2018): 49–60. http://dx.doi.org/10.2478/bile-2018-0005.

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Summary Half F2 diallel crosses of eight spring cultivars of rapeseed were used in partial circulant diallel analyses to estimate biometric genetic parameters for phenological traits, yield components and seed yield. The greatest variation in the GCA-to-SCA mean square ratio was related to days to flowering, and its lowest variation to days to maturity. A high coefficient of variation of the narrow-sense heritability estimate was obtained for days to maturity, followed by plant height and seed yield. For diallel analysis with a low number of parents, the differences of the heritability estimat

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10

Shinta Risty, Oktaviana, and Muhamad Syukur. "Pendugaan Daya Gabung dan Nilai Heterosis Hasil Persilangan Half Diallel Cabai Rawit (Capsicum annuum L.)." Comm. Horticulturae Journal 1, no. 1 (2017): 34. http://dx.doi.org/10.29244/chj.1.1.34-41.

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The aim of this research was to study estimation general combining ability (GCA) and specific combining ability(SCA) of six bird pepper inbred lines (Capsicum annuum L.), heterosis and heterobeltiosis of fifteen bird pepper hybrids in half diallel crosses. The experiment were conducted from November 2013 to April 2014 using a Randomized Complete Block Design with three replications at Leuwikopo University Farm, IPB. Analysis of GCA and SCA were based on the Griffing’s model of diallel design method II. Heterosis values were predicted based on the average values of their parents and heterobelti

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11

Tunç, Murat, and Behiye Biçer. "Diallel analysis in chickpea." Ratarstvo i povrtarstvo 59, no. 2 (2022): 36–42. http://dx.doi.org/10.5937/ratpov59-37421.

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This research was carried out at Dicle University, Faculty of Agriculture during the spring season in 2020. Four chickpea varieties (Cagatay, ILC 3279, Ak 71114 and Spanish chickpea) were used. Genetic parameters were estimated for plant and agricultural traits in 4 parents and their 6 F2 combinations obtained from their half-diallel crossbreeding in chickpea. Half diallel genetic parameters, ratios and graphs (Vr,Wr) were estimated using to methods of Hayman (1954a, 1954b, 1960) in the experiment. The study was carried out randomized complete blocks design with three replications. In the stud

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12

Skrøppa, Tore, Thomas Mørtvedt Solvin, and Arne Steffenrem. "Diallel crosses in Picea abies IV. Genetic variation and inheritance patterns in short-term trials." Silvae Genetica 72, no. 1 (2023): 58–71. http://dx.doi.org/10.2478/sg-2023-0006.

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Abstract The complete diallel cross is the only mating design that provides estimates of variance components of general combining (GCA), specific combining ability (SCA), maternal and reciprocal effects, in addition to heritabilities and genetic correlations. To obtain such estimates, complete diallels were made among 10 trees in each of three natural Norway spruce populations from altitude 300 and 500 m in southern Norway. Seedlings from families from the diallels and open pollinations were tested in short-term tests on agricultural soil at one site at altitude 85 m until age 10 years from se

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13

Dwitama, Niko, Rustikawati Rustikawati, Dotti Suryati, and Catur Herison. "Combining ability of six s7 generation of corn hybrid parents from half dialel crossesof Maize in a Half Diallel Crosses." Akta Agrosia 21, no. 1 (2018): 6–10. http://dx.doi.org/10.31186/aa.21.1.6-10.

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Combining ability is the genotype's ability to pass on the desired character to the offspring. Combining ability information is needed to determine the crossed pairs in the formation of hybrid varieties. The purpose of this study was to obtain information on the combining ability value of six S7 generation of inbreed maize. The experiment was conducted in September 2015 until January 2016, at Medan Baru Experimental Station of Faculty of Agriculture, at Kandang Limun village, Muara Bangkahulu Sub-district, Bengkulu City. The experiment was prepared in a Randomized Block Design (RCBD) with 15 c

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14

Raut, D. M., A. B. Tamnar, S. V. Burungale, and P. L. Badhe. "Half Diallel Analysis in Cowpea [Vigna unguiculata (L.)Walp.]." International Journal of Current Microbiology and Applied Sciences 6, no. 7 (2017): 1807–19. http://dx.doi.org/10.20546/ijcmas.2017.607.218.

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15

Sluder, Earl R. "Two-Stage Selection in Slash Pine Produces Good Gains in Fusiform Rust Resistance." Southern Journal of Applied Forestry 20, no. 3 (1996): 143–47. http://dx.doi.org/10.1093/sjaf/20.3.143.

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Abstract The best 6 of 21 progeny-tested first-generation slash pine selections were crossed in a half diallel to study inheritance patterns of their superior fusiform rust resistance (5 trees) and height (1 tree). Their six first-test progenies were duplicated and included in the study. These two groups of progenies, along with two commercial check lots, were planted on an Upper Coastal Plain and a Flatwoods site in Georgia. At age 10 yr, the 15 progenies in the half diallel averaged 23% rust-infected compared with 54% for the check lots. First-test progenies averaged 30% infected. For percen

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16

Jansson, G., and B. Li. "Genetic Gains of Full-Sib Families from Disconnected Diallels in Loblolly Pine." Silvae Genetica 53, no. 1-6 (2004): 60–64. http://dx.doi.org/10.1515/sg-2004-0011.

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Abstract Breeding values for the 2nd-cycle of the loblolly pine (Pinus taeda L.) breeding program were analyzed with the NCSUIndustry Tree Improvement Cooperative database to estimate genetic gains and compare different strategies for full-sib deployment. In the disconnected half-diallel mating design used for loblolly pine, six parents within each diallel were crossed to generate 15 full-sib families for general combining ability (GCA) and specific combining ability (SCA) estimates. Parents among disconnected diallels were never crossed, and the SCA and full-sib family breeding values cannot

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17

Seymen, Musa. "Seed Yield and Characteristics in a Half-Diallel Pumpkin Population." Selcuk Journal of Agricultural and Food Sciences 34, no. 3 (2020): 200–206. http://dx.doi.org/10.15316/sjafs.2020.217.

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18

Tawfiq, Sh Ismael, and S. Muhammad Sheikh Abdulla. "Genetic analysis for seven pea varieties and their half diallel hybrids for forage and seed yield." Journal of Zankoy Sulaimani - Part A 16, special (2013): 65–83. http://dx.doi.org/10.17656/jzs.10311.

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19

Cotterill, Paul P., and Neville Jackson. "Gains Expected from Clonal Orchards under Alternative Breeding Strategies." Forest Science 35, no. 1 (1989): 183–96. http://dx.doi.org/10.1093/forestscience/35.1.183.

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Abstract Gain equations were developed under the assumption of an additive genetic model and were used to calculate responses from clonal seed orchards under six strategies for breeding trees. The six strategies involve combinations of phenotypic or combined index selection to establish orchards, and polycross, single-pair, or half-diallel mating for progeny testing to cull orchards and for regenerating the breeding population. Open-pollinated mating was considered for progeny testing only. Combined index selection with half-diallel mating produced the greatest gains from orchards. Single-pair

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20

A., Nassar,, M. Elbnna, G. Elsorady, and M. Nofal. "Yield And Its Components Of Some Half Diallel Bread Wheat Crosses." Egyptian Academic Journal of Biological Sciences, H. Botany 11, no. 2 (2020): 21–33. http://dx.doi.org/10.21608/eajbsh.2020.128001.

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21

Bakasso, Yacoubou, and Jean-Didier Zongo. "Heterosis and combining ability in a half-diallel cross ofSesbania pachycarpaDC." Agronomie 20, no. 8 (2000): 927–32. http://dx.doi.org/10.1051/agro:2000169.

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22

Abd-Alsatar Taha, Waleed, and Nawfle adnan sppri abd- gapar. "Estimation Of Combining Ability And HeterosisIn Maize By Half Diallel Crossing." ANBAR JOURNAL OF AGRICULTURAL SCIENCES 12, no. 2 (2014): 309–16. http://dx.doi.org/10.32649/ajas.2014.98284.

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23

Jolliffe, T. H., and A. E. Arthur. "Diallel analysis of bolting in sugarbeet." Journal of Agricultural Science 121, no. 3 (1993): 327–32. http://dx.doi.org/10.1017/s0021859600085518.

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SUMMARYA half-diallel design, with parents, involving a random sample of nine partially inbred (S1) lines was used to examine the genetic control of bolting in a broad-based North-West European sugarbeet breeding population. The diallel was analysed using the Hayman (1954a) and Jinks & Hayman (1953) analyses. Additive genetic effects were shown to be highly important and significant dominance effects were found. A general trend for bolting resistance to be dominant was detected but there was also evidence that the control was ambidirectional. Furthermore, the dominance effects seemed only

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24

Tu, Wei, Jingcai Li, Jianke Dong, et al. "Molecular Marker-Assisted Selection for Frost Tolerance in a Diallel Population of Potato." Cells 12, no. 9 (2023): 1226. http://dx.doi.org/10.3390/cells12091226.

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A multi-parental population is an innovative tool for mapping large numbers of loci and genetic modifications, particularly where they have been used for breeding and pre-breeding in crops. Frost injury is an environmental stress factor that greatly affects the growth, development, production efficiency, and geographical distribution of crops. No reported study has focused on genetic mapping and molecular marker development using diallel populations of potatoes. In this study, 23 successful cross combinations, obtained by a half diallel cross among 16 parents, including eight frost-tolerant ad

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25

Thomson, NJ, and DJ Luckett. "Heterosis and combining ability effects on cotton. I. Combining ability." Australian Journal of Agricultural Research 39, no. 6 (1988): 973. http://dx.doi.org/10.1071/ar9880973.

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Combining ability for a number of yield and quality attributes of cultivated cotton (Gossypium) was studied in two diallel experiments under high-yielding conditions in northern Australia. The first diallel comprised nine G. hirsutum parents of North American and African origin, the second diallel of thirteen parents besides American and African cultivars also included an Indian line, some Australian lines and an American G. barbadense cultivar. Each set of hybrids was grown as a half-diallel (plus the parents), first as a plant crop and then as a ratoon crop in the following season. Generally

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26

Thompson, J. P., and N. P. Seymour. "Inheritance of resistance to root-lesion nematode (Pratylenchus thornei) in wheat landraces and cultivars from the West Asia and North Africa (WANA) region." Crop and Pasture Science 62, no. 1 (2011): 82. http://dx.doi.org/10.1071/cp10309.

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The root-lesion nematode Pratylenchus thornei causes substantial loss to bread wheat production in the northern grain region of Australia and other parts of the world. West Asia and North Africa (WANA) wheat accessions with partial resistance to P. thornei were analysed for mode of inheritance in a half-diallel crossing design of F1 hybrids (10 parents) and F2 populations (7 parents). General combining ability was more important than specific combining ability as indicated by components of variance ratios of 0.93 and 0.95 in diallel ANOVA of the F1 and F2 generations, respectively. General com

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27

Andayani, Nining N., M. Arif Subchan, Roy Efendi, M. Aqil, and M. Azrai. "Combining ability analysis of maize lines under optimal and low nitrogen stress." IOP Conference Series: Earth and Environmental Science 911, no. 1 (2021): 012010. http://dx.doi.org/10.1088/1755-1315/911/1/012010.

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Abstract Most of the land for maize development in Indonesia has low N limiting factor, thus it is necessary to develop a proper maize breeding programs tolerant to low N conditions. One of the breeding methods suitable for low N evaluation is the diallel method between inbred parents (homozygous lines) that are tolerant of low N stress. The aim of this study was to assess the genotype tolerance to low N with comparable yields. The research consisted of two stages. The first stage is the development of hybrid maize grains (F1) using the half diallel cross method. This activity was carried out

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28

Spaner, D., D. E. Mather, and R. I. Hamilton. "Genetic and agronomic evaluation of short-season Quality Protein Maize." Canadian Journal of Plant Science 72, no. 4 (1992): 1171–81. http://dx.doi.org/10.4141/cjps92-143.

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Development of early-maturing hybrid cultivars of Quality Protein Maize (QPM), a hard-endosperm high-lysine maize (Zea mays L.), could provide a balanced-protein alternative feed crop for northern temperate areas. A set of inbred lines derived from QPM germplasm was used as the base population for three experiments conducted in eastern Canada: an eight-parent one-half diallel analysis, an evaluation of inbred performance, and an evaluation of resistance to Fusarium ear rot. In the diallel analysis, general combining ability effects were significant for grain yield, moisture at harvest, and ker

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29

Jana, B. R. "DEVELOPMENT OF COLORED MANGO (Mangifera indica L.) HYBRIDS THROUGH HALF-DIALLEL CROSSING." Journal of Experimental Biology and Agricultural Sciences 5, no. 2 (2017): 220–24. http://dx.doi.org/10.18006/2017.5(2).220.224.

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30

Kosba, Z. A., Souad M. Mahmoud, and A. I. Abou Ahmed. "HYBRID VIGOUR IN HALF DIALLEL CROSSES OF THE SILKWORM, Bombyx mori L." Journal of Agricultural Chemistry and Biotechnology 3, no. 12 (2012): 439–46. http://dx.doi.org/10.21608/jacb.2012.55020.

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31

Shalof, M. S., A. A. M. Afife, M. A. A. Abd-Elaziz, R. H. A. Alsebaey, and A. S. M. Al-Deeb. "Combining Ability Using Half Diallel Mating Design of Yellow Maize Inbred Lines." Journal of the Advances in Agricultural Researches 29, no. 3 (2024): 506–12. http://dx.doi.org/10.21608/jalexu.2024.304994.1207.

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32

Ivanovska, Sonja, Marija Kraljevic-Balalic, and Cane Stojkovski. "Diallel analysis for plant height in winter wheat." Genetika 35, no. 1 (2003): 11–19. http://dx.doi.org/10.2298/gensr0301011i.

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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. The mode of inheritance, calculated for each combination separately, was different and depended on the cross combination. The absence of interallelic interaction between the genes determining the expression of plant height was concluded from the regression analysis. The regression line intercepts the Wr axis below the origin in F1 indicating overdominance over an average of all arrays. In F2 the regression line cuts the Wr axis above the origi

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33

M, James, Magudeeswari P, Bharati Lap, et al. "Studies on combining ability of half diallel derived rice hybrids generated using landraces x advanced breeding lines of North East India." Oryza-An International Journal on Rice 61, no. 3 (2024): 184–94. http://dx.doi.org/10.35709/ory.2024.61.3.1.

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North East (NE) India, the centre of origin of rice is blessed with landraces like Kala Joha, Chakhao Poireiton (CP) and Mynri, Jwain from Assam, Manipur, and Meghalaya respectively. NE India is a hotspot for rice blast disease and it can cause a loss in grain yield from 30-100%. Rice breeding in NE India should focus on developing rice varieties/ hybrids utilizing the local landraces and their diverse gene pool. Hence, six landraces and four advanced breeding lines were crossed in half diallel fashion and the F1s were evaluated for ten agro-morphological and two rice blast disease related tra

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34

Burdon, R. D., and J. P. van Buijtenen. "Expected efficiencies of mating designs for reselection of parents." Canadian Journal of Forest Research 20, no. 10 (1990): 1664–71. http://dx.doi.org/10.1139/x90-219.

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Expected efficiencies, in terms of genetic gain from reselection of parents (backwards selection), were compared for hierarchical mating, factorial, partial factorial, modified half diallel, and partial diallel crossing designs and polycrosses; this was done in parallel with a separate study of expected efficiencies for advanced-generation (forwards) selection, assuming a fixed-resources model of 100 parents and 10 000 offspring. The present study considered a single-trait case, with variable numbers of crosses per parent, varying heritability (h2) levels (h2 = 0.1, 0.2, and 0.5), and varying

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35

Seymour, Danelle K., Eunyoung Chae, Dominik G. Grimm, et al. "Genetic architecture of nonadditive inheritance in Arabidopsis thaliana hybrids." Proceedings of the National Academy of Sciences 113, no. 46 (2016): E7317—E7326. http://dx.doi.org/10.1073/pnas.1615268113.

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The ubiquity of nonparental hybrid phenotypes, such as hybrid vigor and hybrid inferiority, has interested biologists for over a century and is of considerable agricultural importance. Although examples of both phenomena have been subject to intense investigation, no general model for the molecular basis of nonadditive genetic variance has emerged, and prediction of hybrid phenotypes from parental information continues to be a challenge. Here we explore the genetics of hybrid phenotype in 435 Arabidopsis thaliana individuals derived from intercrosses of 30 parents in a half diallel mating sche

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36

Hamdan, Ayman H., and Hussein A. Al-Zubaae. "Effects of general and specific combining ability and interaction between them for double crosses in zucchini squash (Cucurbita pepo L.)." Sumer 3 8, CSS 3 (2023): 1–11. http://dx.doi.org/10.21931/rb/css/2023.08.03.79.

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This study used six inbred lines of squash (Cucurbita pepo L.), which were introduced into a half-diallel crossing program to derive 15 single cross hybrids. According to Rawlings and Cockerham's method of deriving 45 double-cross hybrids, single-cross hybrids were introduced into a double-cross. They included them in various trial experiments and estimations of the general and specific combining ability and gene action of the traits studied. The results showed highly significant differences in the mean square deviations for the double-crosses in all the studied traits. Inbred lines 6, 4 and 1

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37

ElHefnawy, Sahar. "Isolation and half-diallel analysis of earliness in five (vicia faba l.) Genotypes." EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 13, no. 2 (2017): 1. http://dx.doi.org/10.5455/egyjebb.20170728080547.

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38

Altaweel, Mohammed S., and Qusay A. Yousif. "STUDY OF GENTIC PARAMETERS USING HALF DIALLEL CROSS IN MAIZE (Zea mays L.)." Mesopotamia Journal of Agriculture 48, no. 4 (2020): 11–20. http://dx.doi.org/10.33899/magrj.2020.127377.1049.

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39

Bekhit, Makhlouf. "Half Diallel Analysis of Some Quantitative Traits in Tomato under Drought Stress Conditions." Annals of Agricultural Science, Moshtohor 60, no. 2 (2022): 431–44. http://dx.doi.org/10.21608/assjm.2022.252700.

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40

Mohamed, A. G., A. M. M. Hussein, and W. M. Shafei. "Half Diallel Analysis to Study Genetic Parameters of Some Important Characters in Tomatoes." Egyptian Journal of Plant Breeding 18, no. 4 (2014): 755–73. http://dx.doi.org/10.12816/0011732.

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41

Riti, Estriana, and Muhamad Syukur. "Heterosis serta Keragaan Karakter Vegetatif Tomat (Lycopersicon esculentum Mill.) Hasil Persilangan Half Diallel." Comm. Horticulturae Journal 2, no. 1 (2018): 35. http://dx.doi.org/10.29244/chj.2.1.35-41.

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42

Khaled, M. A. B., A. B. A. El-Fesheikawy, and H. Mahrous. "Heterotic Effects in Half-Diallel Crosses of Modern and Obsolete Egyptian Cotton Varieties." Egyptian Journal of Plant Breeding 16, no. 1 (2012): 51–59. http://dx.doi.org/10.12816/0003919.

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43

Hamid, Saya, and Jasim Aziz. "Estimation of Heterosis of Flax (Linum Usitatissimum L.) by in half diallel cross." Kirkuk University Journal For Agricultural Sciences 14, no. 1 (2023): 83–96. http://dx.doi.org/10.58928/ku23.14107.

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In this study, eight genotypes of flax (Linum Usitatissimum L.) were used (Sakha 1, Sakha 2, Sakha 3, Sakha 5, Sakha 6, Syrian, Giza and Poloni) and their half crosses obtained according to the second method proposed by Griffing (1956). Genotypes (8 parents + 28 hybrids) were planted in the fields of the College of Agriculture / University of Kirkuk in the winter season (2021-2022) according to randomized complete design (RCBD) with three replications to study the studied traits (plant height, number of days flowering 50%, and number of days contracting 50 %, number of days of physiological ma

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Philippine Journal of Crop Science, Gizem KAMCI TEKIN, and Behiye Tuba BICER. "Half-Diallel Analyses for Plant Traits on Chickpea in Southeastern Anatolia of Turkiye." Philippine Journal of Crop Science 49, no. 2 (2024): 15–23. https://doi.org/10.63568/vol49iss2pp15-23.

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The experiment was carried out at the University of Dicle, Faculty of Agriculture, Diyarbakir, Türkiye. In the present investigation, five parents (desi: Black and ICCV 10 and kabuli: ILC 533, Azkan and ILC 482) were crossed in half-diallel to obtain ten F1 hybrids to estimate genetic parameters and combining ability variances for phenological and plants traits. The F1 hybrid combinations were included Black × ILC 533, Black × Azkan, Black × ICCV10, Black × ILC 482, ILC 533 x Azkan, ILC 533 × ICC10, ILC 533 × ILC 482, Azkan × ICCV10, Azkan × ILC 482 and ICCV10 × ILC 482. The experiment was arr

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Euler, Fredrik von, Philippe Baradat, and Bernard Lemoine. "Effects of plantation density and spacing on competitive interactions among half-sib families of maritime pine." Canadian Journal of Forest Research 22, no. 4 (1992): 482–89. http://dx.doi.org/10.1139/x92-063.

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The effects of competition among eight half-sib families of the Landes geographical race of maritime pine (Pinuspinaster Ait.) were studied in a field trial involving four spacings with two replications, in southwestern France. Families were picked from the open-pollinated progeny in a clonal seed orchard. Interfamily competition was controlled in 30-tree plots, with two families planted alternately in a checkerboard pattern. Each family was represented in one pure and two mixed plots, according to a balanced, incomplete, diallel design. Static competition effects from 4 to 16 years were asses

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Kumar, Bijendra, D. N. Bharadwaj, Lokendra Singh, and Sarvendra Kumar Gupta. "Estimation of genetic variance on qualitative and quantitative improvement through biometrical approach half diallel analysis in (Triticum aestivum L)." International Journal of Agricultural Invention 2, no. 02 (2017): 146–51. http://dx.doi.org/10.46492/ijai/2017.2.2.6.

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The present investigation entitled “Genetic studies for yield and its contributing character in bread wheat (Triticum aestivum L.)” was undertaken involving 100 genotypes (10 parents +45 F1s +45F2s) of a 10- parent-diallel to study the genetic parameters for some quality and quantity attributes along with its contributing traits. The diverse wheat cultivars/ genotypes and their first as well as second filial generation was studied by resolving them in genetic component analysis and selection parameters (direct and indirect parameters). The observations were recorded on 13 characters namely, da

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N. Dudhatra, Kuldeep, Mukesh P. Patel, and Mihir M. Pandya. "Elucidation of gene action and estimation of combining ability effects for fruit yield attributes and biochemical traits in brinjal (Solanum melongena L.)." Electronic Journal of Plant Breeding 15, no. 3 (2024): 612–20. http://dx.doi.org/10.37992/2024.1503.067.

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Abstract The present investigation was undertaken in brinjal (Solanum melongena L.) to estimate combining ability and gene action following a half diallel mating design using ten parents. The ratio of genetic variance components, σ2gca/σ2sca and σ2D/σ2A, showed dominant gene action, indicating the presence of non-additive genetic variance for days to 50% flowering, fruit yield per plant, total phenol, antioxidant activity and total soluble sugar. The traits fruits per plant, fruit girth, and fruit weight showed additive genetic variance. Among the parental genotypes, AB 15-08, ABSR 2 and AB 20

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Emmons, Cheryld L. Whaley, and John W. Scott. "Diallel Analysis of Resistance to Cuticle Cracking in Tomato." Journal of the American Society for Horticultural Science 123, no. 1 (1998): 67–72. http://dx.doi.org/10.21273/jashs.123.1.67.

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Genetic control of cuticle cracking (CC) in tomatoes (Lycopersicon esculentum Mill.) was studied using half-diallel analyses and reciprocal hybrid comparisons of five parents and reciprocal F1 hybrids over 3 years in Bradenton, Fla. Maternal effects were usually not significant, but in general, CC incidence in hybrids with a resistant cultigen as the female parent was lower than if the resistant cultigen was the male parent. General combining ability (GCA) was significant at all harvests, with specific combining ability (SCA) becoming significant under high environmental stress. Narrow-sense a

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M., M. Uzzal Ahmed Liton, Shahidur Rashid Bhuiyan Md., Zeba Naheed, and Harunur Rashid M. "Estimation of Heterosis for Yield and Its Attributes in Brassica rapa L." Asian Research Journal of Agriculture 4, no. 4 (2017): 1–13. https://doi.org/10.9734/ARJA/2017/33085.

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Six parents of <em>Brassica rapa</em> (L) viz. SAU Sarisha-1, SAU Sarisha-2, SAU Sarisha-3, BARI Sarisha-6, BARI Sarisha-15, and Tori-7 were crossed in a half diallel fashion. The resultant fifteen hybrids along with six parents were evaluated in randomized complete block design with three replications with the aim of evaluating the performance of hybrids over their parents. The study was conducted at the Research field of Sher-e-Bangla Agricultural University, Bangladesh during Rabi 2010-2011. Results indicated that, all the parameters except 1000-seed weight and seed yield/plant were signifi

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Mckeand, S. E., B. Li, J. E. Grissom, F. Isik, and K. J. S. Jayawickrama. "Genetic Parameter Estimates for Growth Traits from Diallel Tests of Loblolly Pine Throughout the Southeastern United States." Silvae Genetica 57, no. 1-6 (2008): 101–10. http://dx.doi.org/10.1515/sg-2008-0016.

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Abstract Variation in heritability and in genetic correlation estimates were evaluated for juvenile tree height and volume for six testing areas of loblolly pine (Pinus taeda L.) in the southeastern United States. Variance components and their functions (heritability and type B genetic correlations) were estimated from 265 six-parent disconnected diallel series, tested in almost 1000 trials (4 tests per diallel series). Original data were collected at age 6 years from about one million trees (265 diallel series x 30 crosses x 36 trees per cross/site x 4 sites) planted in field tests. Genetic t

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