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Nomogram for Osteoporosis Risk Using LDCT Trabecular Parameters. [PDF]
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General combining ability and its repeatability in early generations of potato breeding programmes
Potato Research, 1998General combining ability and its repeatability in the early generations of a potato breeding programme was studied by evaluating 72 progenies (18×4) of 22 parents in a factorial mating design for three successive generations. The mean squares for combining ability due to females, males and females × males were significant for eight out of the ten ...
J Gopal, Gopal J
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Specific and general combining ability for yield in potatoes
American Potato Journal, 1962Forty-five lines were crossed to six testers to evaluate their general combining ability. These lines did not clearly represent a random selection of lines with respect to this character, though they had not undergone any formal selection in this respect.
R. L. Plaisted +4 more
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Parental generation in relation to combining ability analysis in spring barley
Theoretical and Applied Genetics, 1974A comparison between Griffing's (1956) Method 1, Model I, and Method 3, Model I, using data from a 10 × 10 diallel of spring barley grown in eight different environments, revealed that inclusion of the parental generation (Method 1) caused considerable upward bias in the estimates of both the general and specific combining ability variances, whereas ...
J D, Hayes, R S, Paroda
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Combining ability studies in tropical sorghum (Sorghum bicolor (L.) Moench) [PDF]
Field Crops Research, 2004 Sorghum varieties grown in West Africa usually have low production potential. Information on combining ability of diverse open-pollinated cultivars and gene pools is needed for efficient choice of breeding methods and parental materials to use in ...
Alabi, S O, Kenga, R, Gupta, S C
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ESTIMATION OF GENERAL AND SPECIFIC COMBINING ABILITIES IN POTATO
Canadian Journal of Genetics and Cytology, 1976Seven quantitative traits of the cultivated potato (Solanum tuberosum L.) were studied in a partial diallel cross experiment. Large specific combining ability effects were observed for total and marketable yields, total number of tubers, and number of marketable tubers. Large general combining ability effects were obtained for average weight per tuber,
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Theoretical value of estimates of general combining ability in the autotetraploid crop
Theoretical and Applied Genetics, 1987The means of half-sib progenies have been indicated as selection criteria for intra-population improvement while the average of the means of full-sib progenies in diallel analyses have been proposed as predictors, in part, of the means of untested synthetic varieties. When these measures based on progeny means are expressed as deviations from a defined
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General and specific combining abilities for different economic traits in broiler chickens
Theoretical and Applied Genetics, 1975A complete diallel cross of four broiler breeds was made to investigate whether there are breed differences in the combining abilities for the traits, body weight, weight gain and feed efficiency, measured during the growing period from 4 to 12 weeks of age. Data collected from male and female birds were analysed separately.
C S, Ooi +3 more
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General Combining Ability Model for Genomewide Selection in a Biparental Cross
Crop Science, 2014ABSTRACTGenomewide selection within an A/B biparental cross is most advantageous if it could be effectively done before the cross is phenotyped. Our objectives were to determine if a general combining ability (GCA) model is useful for genomewide selection in an A/B cross, and to assess the influence of training population size (NGCA), number of crosses
Amy Jacobson +3 more
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