genetic modification of agronomic traits in fruit crops
Báo cáo khoa hoc:" Genetic parameters of dairy traits in the Alpine and Saanen goat breeds" pptx
... and protein content was a limiting factor in the highly productive Alpine and Saanen breeds The selection ment of programme relies on the use of milk recording and artificial insemination in an ... global genetic variability of dairy traits in goats, thus including both polygenic and major gene effects (asl-casein polymorphism, (l, 2!) The asl-casein polymorphism might explain part of the ... records of Alpine and Saanen goats kidding between September 1995 and 31 August 1997 were obtained from the national milk recording data base located at the CTIG (Processing Centre of Genetic Information)...
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báo cáo khoa học: " QTL mapping of agronomic traits in tef [Eragrostis tef (Zucc) Trotter]" pdf
... diameter of 1st internode b culm diameter of 2nd internode c measurement of penetration strength in 1st internode rind d measurement of penetration strength in 2nd internode rind e measurement of crushing ... measurement of crushing strength in 1st internode f measurement of crushing strength in 2nd internode *** The analysis of variance for traits among lines and experiments at significance of 0.001 probability ... characteristics in the derived lines Epistasis is part of the genetic architecture of grain yield and other agronomic traits Gene interaction has also been reported for a few phenotypic traits of tef...
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Báo cáo sinh học: " Phenotypic and genetic variability of morphometrical traits in natural populations of Drosophila melanogaster and D simulans. I. Geographic variations" docx
... attractive fermenting fruit traps In all cases, isofemale lines were used, ie wild inseminated females were isolated in culture vials to produce progeny Because wild females may be inseminated by more ... melanoga.ster, main groups of populations can be distinguished: populations of temperate regions including northern USA, Canada, France and ex-USSR; populations of tropical regions including the West Indies, ... rainfall While the role of rainfall is difficult to understand and analyse, the effects of temperature treatments can be investigated in the laboratory In this respect, several authors including...
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Báo cáo sinh học: " Phenotypic and genetic variability of morphometrical traits in natural populations of Drosophila melanogaster and D simulans. II. Within-population variability" pptx
... abdominal bristle number in D simulans Therefore, all regions exhibit a similar level of genetic variability for most of the traits considered here, in spite of the geographical variability of ... values of the traits, and also of the total phenotypic variance DISCUSSION AND CONCLUSIONS Our analysis of the within-population variability of the sibling species shows that for most of the traits ... calculating the coefficient of intraclass correlation t In most works using this technique (see Parsons, 1983, for references), investigators are satisfied with demonstrating a genetic component of...
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Báo cáo sinh học: " Multivariate restricted maximum likelihood estimation of genetic parameters for production traits in three selected turkey strains" pps
... lines A and C, whatever the model applied, BW16 was genetically more m mates obtained under correlated with BW12 (0.88 in line A vs 0.82 in line C) than with BW16 (0.83 f f in line A vs 0.78 in ... 0.78 in line C) In addition, in these strains the genetic correlations between weights were higher within a sex than between sexes Surprisingly, line B differed from the others in weight traits ... package In: Proc EC Seminar on Application of Mixed Linear Models in the Prediction of Genetic Merit in Pigs (E Groeneveld, ed), 83-102 Hartmann W (1992) Evaluation of the potentials of new scientific...
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Báo cáo sinh học: "Multivariate restricted maximum likelihood estimation of genetic parameters for production traits in three " ppt
... Still, in both lines A and C, whatever the model applied, BW16 was genetically more m correlated with BW12 (0.88 in line A vs 0.82 in line C) than with BW16 (0.83 f f in line A vs 0.78 in line C) In ... package In: Proc EC Seminar on Application of Mixed Linear Models in the Prediction of Genetic Merit in Pigs (E Groeneveld, ed), 83-102 Hartmann W (1992) Evaluation of the potentials of new scientific ... for males in the same strains The higher removal rate in strain C was likely a result of the intense selection carried out, mainly on weight criteria, as is common in heavy turkey strains Unfortunately,...
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Báo cáo sinh học: " Genetic parameters related to environmental variability of weight traits in a selection experiment for weight gain in mice; signs of correlated canalised response" pot
... consequences of ignoring heterogeneity in residual variance and found it results in a loss of expected selection response The modelling of heterogeneity is based on the hypothesis of the existence of a ... with the genetics of variability together with a way of solving it using an algorithm This model has been applied to estimate genetic parameters of variability in different species and traits: ... randomly mating selected individuals; (B) weighted selection unbalancing the offspring of each animal according to their genetic superiority; and (C) the minimum coancestry method, as in selection...
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Alternative Processing Technologies for the Control of Spoilage Bacteria in Fruit Juices and Beverages
... of fruit and fruit juice involves care at all stages of production, including preharvest practices of planting, growing of fruit, harvesting, postharvest handling, washing, and cooling and storage ... is among the main reasons for contamination in fruit juice Washing and brushing fruit before the juicing step is common in juice processing According to one industry survey, 98% of orchards surveyed ... type of nonthermal processing is currently used in various parts of the world in the manufacture of a number of products, including fruit juices, fruit purees, and jams.44 HPP involves subjecting...
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Báo cáo hóa học: " Genetic characterization of Measles Viruses in China, 2004" pptx
... circulating in China in 2004 and to complement the database of genetic characteristics of China measles strains during the control phase of the disease Table 1: Number of wild-type measles viruses in ... phylogenetic analysis of carboxyl-terminal coding region of the nucleoprotein (N) gene, of 59 measles isolates in this study, together with the WHO reference strains were shown in Fig The clustering ... first used in China in 1965, and has been administered routinely to all infants since the China Expanded Programme on Immunization was established in 1978[19] With the attainment of Universal...
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Báo cáo hóa học: " Genetic analysis of Thailand hantavirus in Bandicota indica trapped in Thailand" pptx
... strain Thai0067 had a homologous substitution of isoleucine to valine at pos 110 of the deduced sequence of the GnGc protein This suggested a strong stabilising selection operating on the protein ... in the study coordination and trapping and screening of rodents HH participated in the study design and coordination and drafting the manuscript AP participated in the study design and coordination, ... contributions JPH participated in the study design and coordination, trapping and screening of rodents, and drafting the manuscript AngP participated in the screening of the rodent samples, performed...
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Báo cáo sinh học : "Q&A: Genetic analysis of quantitative traits" pdf
... dense panel of molecular markers for high-resolution mapping in the organism of interest, and for a way of genotyping these markers economically and in parallel in tens of thousands of individuals ... phenotypes, including intermediate phenotypes, in multiple environments These resources offer the prospect of elucidating the genetics of the interdependence of multiple phenotypes, and addressing the ... quantitative traits, but so by altering levels of transcript abundance, amount and activity of proteins, metabolites and other 'intermediate' phenotypes Incorporating measures of variation in intermediate...
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Báo cáo lâm nghiệp: "Genetic variation of Prunus avium in susceptibility to cherry leaf spot (Blumeriella jaapii) in spatially heterogeneous infected seed orchards" docx
... although it was suspected, since the infection of this disease occurs through stomata in early spring Bud burst explained some of the variation in leaf spot incidence (17–65% of the leaf spot clonal ... analysis of variance using the SAS MIXED procedure [28] Clone by site interaction was analyzed combining the leaf spot data of year 2005 in Sergude with the Areas data of each year The following mixed ... important genetic gains through clonal selection In particular working with 2005 data, we would have a genetic gain of 12.5 and 13.1% in Areas and Sergude, respectively, when selecting the 50%...
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Báo cáo lâm nghiệp: "Variation of morphological traits in natural populations of maritime pine (Pinus pinaster Ait.) in Morocco" pot
... maritime pine, including genetic diversity and ecophysiological studies, and are intended to fully represent variability among and within populations of Moroccan maritime pine Methods of sampling individual ... 23] The main objective of the present work is the analysis of the variation in morphological traits within and among Moroccan maritime pine populations In addition, we are interested in the comparison ... which little information is available Despite of the interest of Moroccan forest genetic resources, up-to-date only few studies dealt with variation in morphological traits, being based mainly on...
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Báo cáo khoa học: "Genetic determination of vessel area in oak (Quercus robur L and Q petraea Liebl): a characteristic related to the occurrence of stem shakes" docx
... project title «Genetics and breeding of (1986) Oak breeding in Germany; experiences and problems In: Proceedings IUFRO Joint Meeting of Working Parties on Breeding Theory, Progeny Testing and Seed ... Burley J (1982) Genetic variations in wood properties In: New Perspectives in Wood Anatomy (Baas P, ed), Martinus Nijhoff, The Hague, 151-169 Cinotti B (1991) Recherche de propriétés intrinsèques du ... determine provenance variations in vessel size; 2) estimate the heritability of vessel size; and 3) to find a means of recognizing shake-prone trees so that they could be removed during early thinning...
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Báo cáo khoa hoc:" Genetic polymorphism of milk proteins in African Bos taurus and Bos indicus populations" pdf
... alleles of Indian Bos indicus into African populations, including sub-populations of the taurine type N’Dama, but the Kuri was not included in their study As a matter of fact, crossbreeding with ... variants of either bovine or caprine a The affected exons are exon in bovine a A [27, 38] and caprine -casein sl a,,-casein G [23], and exons 9, 10 and 11 in caprine a F [15] Still -casein sl another ... difference of 921.4 Da was indicative of a deletion of about eight amino acid residues RP-HPLC elution patterns of tryptic hydrolysates of a B and H showed the absence of one peak in a H as the -caseins...
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Báo cáo khoa hoc:" Genetic parameters of beef traits of Limousin and Charolais progeny-tested AI sires" pdf
... Effect of selection of sires traits on the genetic variability of progeny 2.4.1 Effect of step selection In order to study the impact of the selection of sires (step 2) on the genetic variability of ... station) In the Limousin breed, weaning performances of 14 909 young bulls were available (407 tested in the central station) Such an amount of information prevents one from integrating weaning traits ... selection could not have been taken into account since adding the corresponding amount of information (the whole contemporary group in the herd of origin) made a joint analysis unfeasible as it would...
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Báo cáo sinh học: " Genetic improvement of litter size in sheep. A comparison of selection methods" potx
... combining OR and ES performance In b-ORLS, a direct estimation of the breeding values for LS is obtained, whereas in t-ORES the estimated breeding values of OR and ES have to be combined in an index ... examine in a more realistic situation than in a previous report (P6rez-Enciso et al, 1994a) the usefulness of measuring OR in order to improve genetic progress of LS in sheep using overlapping ... economic indices used in the Australian Merino should result in substantial gain in number of lambs weaned, according to theoretical studies of Ponzoni (1986) Litter size in sheep has been increased...
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Báo cáo sinh học: " Quantitative genetics of growth traits in the edible snail, Helix aspersa Müller" docx
... studies on inbreeding and dominance effects will require well-designed experiments such as a diallele experiment involving inbred lines obtained by successive matings between related animals Genetic ... of its offspring Since there is no contact between the layer and its offspring, it is likely that the effect is passed on through the eggs Bride and Gomot (1991) showed that, often in pairs of ... from those matings were not used for reproduction Frequencies of the different types of matings and egg-layings obtained in each generation are shown in table I Growth As room was lacking to raise...
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báo cáo khoa học: "Estimated genetic trends for carcass traits in two French Michèle TIXIER" pptx
... of genetic trend when estimating the effect of parity Such an effect could result in a lower estimate of genetic change in dams than in sires for average daily gain This was indeed observed in ... yearly genetic gain of 4.08 FF according to the results obtained in progeny-test data (i.e a decrease of 3.36 FF in production cost and an increase of 0.72 FF in carcass value) The decrease in production ... Estimated genetic change The estimates of yearly genetic gains lie generally below 0.5 p 100 of the mean for growth traits, whereas the estimates of yearly genetic gains in body composition traits...
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báo cáo khoa học: "Genetic variation of flesh colour in canthaxanthin fed rainbow trout" docx
... deposition of canthaxanthin in the flesh induces a decrease of luminosity, an increase of dominant wavelength and above all an increase of excitation purity The correlations estimated in the present ... Subsequently, in order to avoid a possible environmental , effect due to the compartments, families in experiment C were marked by fin-clipping prior to the beginning of the experimental feeding period, ... rate of feeding should also be taken into account, its interactions with the factors of pigmentation being unknown so far The present study used marketsize (individual portion) trout raised in...
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