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Heterosis and Combining Ability in Wheat
Madras Agricultural Journal, 1977The magnitude and nature of heterosis and combining ability in a set of diallel crosses of wheat (Triticum aestivum L. om Theil.). involving five genotypes, were studied for grain yield, 100-kernel weight, spike number and plant height. Positive overall heterosis was observed for all the characters except for 100-kernel weight.
RANDHAWA A.S, MINHAS A.S
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Segregation and Combining Ability
1979We have seen in Chapter 1 that with a knowledge of the mendelian principle of units of inheritance and a chequerboard diagram it is possible to work out expected segregations. The technique can be used by the breeder to forecast the numbers of individuals of different types in a family from a deliberate cross and also, in the reverse way, by observing ...
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Combining ability estimates in groundnut
Madras Agricultural Journal, 2000Accurate identification of promising parents is crucial for groundnut (Arachis hypogaea L.) cultivar development. Six cultivars, namely, ICGS 44, Ginar 1, ALR 2, JL 24, GG 2 and CO 2 were intermated in all possible combinations in a full diallel mating design. The 30 reciprocal F, hybrids and six parents were utilized for the study. Five traits, namely,
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COMBINING ABILITY IN WINTER SORGHUM
Madras Agricultural Journal, 1996The nature of gene action through combining ability analysis for grain yield and its components was studied in 5 X 5 diallel cross of sorghum. Estimates of gea and sca indicated the influence of both additive and non additive gene action for the inheritance of grain yield, stem girth and plant height.
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COMBINING ABILITY STUDIES IN DURUM WHEAT
Madras Agricultural Journal, 1986Combining ability study was carried out for grain vied, its component tralis, harvest index and grain protein content in a diallel sct of six diverse varieties of. durum wheat (Triticum durum Desi.) in F, and F, generations General and specif combining ability were highly significant for all the seven traits in both the gene- 10t-ons.
SHARMA S.N, MALOO S.R
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COMBINING ABILITY OF APPLE BREEDING VARIETIES
Аграрні інновації, 2023The article presents the results of studying apple varieties based on multi-year expeditionary surveys of various regions of Azerbaijan. Research Methodology. The studies were conducted from 1985 to the present in the Department of Fruit Crop Breeding at the Scientific Research Institute of Fruit Growing and Tea Growing (Institute).
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Heterosis and combining ability in Phaseolus aureus roxb
Theoretical and Applied Genetics, 1974Heterosis and combining ability were estimated in F 1, F 2, F 3 and backcross generations of diallel cross in Phaseolus aureus. Hybrid vigour for yield compared with the mid-parent and better parent was noted in 21 and 20 F 1 hybrids, respectively. There was an appreciable amount of inbreeding depression in the F 2 and F 3 compared with the F 1 hybrids.
T P, Singh, K B, Singh
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Combining ability studies in tomato (Lycopersicon esculentum Mill.)
Theoretical and Applied Genetics, 1974Diallel analysis was carried out involving eight diverse varieties of tomato, namely Pusa Early Dwarf, Sl-1, S-12, Punjab Tropics, Sl-120, HS-101, Pusa Ruby and Sl-73-1, to characterize the gene action involved in the inheritance of some of the quantitative traits and to correlate array mean and per se performance with general combining ability (gca ...
, Kalloo, R K, Singh, R D, Bhutani
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Additive Combining Abilities Fitted to Plant Breeding Data
Biometrics, 1967A plant breeding program, extending over several years, accumulates records of the progeny obtained from numerous crosses, made according to no systematic plan. This paper describes the fitting of additive parental main effects, or 'combining abilities,' to such data.
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