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  • Wheat  (16)
  • Springer  (16)
  • 1980-1984  (16)
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Verlag/Herausgeber
  • Springer  (16)
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    Aluminium effects on growth and Al, Ca, Mg, K and P levels in triticale, wheat and rye (1980)
    Springer
    Plant and soil 57 (1980), S. 467-470 
    Details
    ISSN: 1573-5036
    Schlagwort(e): Aluminum concentration ; Aluminum toxicity ; Calcium ; Magnesium ; Nutrient solution ; Phosphorus ; Potassium ; Triticale ; Rye ; Wheat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary The effects of A1 on the growth and mineral composition of different cultivars of triticale (X Triticosecale, Wittmack), wheat (Triticum aestivum L.) and rye (Secale cereale L.) growing in 1/5 strength Steinberg solutions containing 0 or 6 ppm A1 were evaluated after 32 days. Aluminum increased the concentrations of P and K in the roots and K in the tops of most of the cultivars tested. A1 tolerant triticale retained a lower concentration of Mg in the roots and tops than the A1 sensitive triticale, when subjected to A1 stress. In addition, A1 treatments resulted in smaller increases in root P for the A1 tolerant triticale than for the A1 sensitive cultivars. The concentration of root Ca and P of the A1 tolerant wheat cultivars were significantly below that of the more sensitive plants. Aluminum tolerance in rye appeared to be associated with lower Ca and higher Mg concentrations in the tops. The accumulation of P and A1 in the roots was characteristic of sensitivity in triticale, wheat and rye.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02211704
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  • 2
    Digitale Medien
    Digitale Medien
    A computer-assisted examination of the storage protein genetic variation in 841 accessions of Triticum dicoccoides (1984)
    Springer
    Theoretical and applied genetics 69 (1984), S. 79-86 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Electrophoresis ; Endosperm ; Proteins ; Emmer ; Wheat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Triticum turgidum L. var. dicoccoides (wild emmer) is an important genetic resource for increasing the protein content of common wheat (Triticum aestivum L.). Many studies have shown that the presence or absence of bands in sodium dodecyl sulfate polyacrylamide (SDS-PAGE) electrophoregrams of wheat storage proteins to be of a purely genetic character. A total protein extraction and SDS-PAGE technique was used to estimate the storage protein genetic variability among 841 accessions of wild emmer collected from various ecological regions in the Middle East. In addition, a computer data bank was developed, recording the onedimension electrophoregram bands for each accession by molecular weight (MW) and relative Coomassie Blue staining intensity as determined from densitometer scans. Analyses of this information are being used to identify specific accessions for further study by two dimension electrofocusing-electrophoresis and breeding and genetic analyses. The computer-assisted analyses indicated that the greatest genetic variability occurs for proteins in the high MW region (above 70,000 MW) followed by those in the medium range (70,000 to 33,300 MW). Comparatively little variability was revealed for protein subunits of below 33,300 MW.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00262545
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  • 3
    Digitale Medien
    Digitale Medien
    Characterisation of high molecular weight gliadin and low-molecular-weight glutenin subunits of wheat endosperm by two-dimensional electrophoresis and the chromosomal localisation of their controlling genes (1983)
    Springer
    Theoretical and applied genetics 66 (1983), S. 29-37 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Gliadin ; Glutenin ; Tticum ; Wheat ; Endosperm
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Gliadins, here defined as those proteins of defatted wheat endosperm which dissolve in 70% (v/v) ethanol at room temperature, were fractionated by gel filtration using Sephadex G-100. The protein which eluted with the void volume of the column, often described as high-molecular-weight (HMW) gliadin, was fractionated by the two different, two dimensional gel electrophoresis procedures of O'Farrell (1975) and O'Farrell et al. (1977). The next two fractions to elute from the gel column, ω-gliadin and α-, β-, γ-gliadin, were analysed similarly. The subunits of HMW gliadin and the classical (i.e. non-aggregated) gliadins map at distinctive positions on the electrophoregrams, the majority of the HMW gliadin subunits being more basic and having a slightly slower electrophoretic mobility than the α-, β-, γ-gliadins. These experiments demonstrate that those gliadins which aggregate to form HMW gliadin are distinct molecular entities and thus coded by different genes to those gliadins which do not aggregate. Glutenin, here prepared by a modification of the pH 6.4 precipitation procedure of Orth and Bushuk (1973), was also analysed by two-dimensional electrophoresis. The low-molecular-weight subunits were found to correspond exactly with the HMW gliadin subunits. Using the nullisomic-tetrasomic lines and the ditelocentric lines of ‘Chinese Spring’, the genes controlling the synthesis of all the major HMW gliadin subunits were shown to be located on the short arms of chromosomes 1A, 1B and 1D, as are the genes coding for the ω-gliadins and the majority of the γ-gliadins.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00281844
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  • 4
    Digitale Medien
    Digitale Medien
    Evidence for maternal effect in the inheritance of grain protein in crosses between cultivated and wild tetraploid wheats (1984)
    Springer
    Theoretical and applied genetics 67 (1984), S. 521-524 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Wheat ; Triticum ; Grain protein ; Grain weight ; Maternal effect ; Cytoplasmic effect
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Reciprocal crosses were made between cultivated wheat (Triticum turgidum var. ‘durum’) and a high-protein line of wild tetraploid wheat (T. turgidum var. ‘dicoccoides’). F1 grains (on maternal spikes) were very similar to the selfed grains on the maternal parent in protein percentage, weight and protein content. These traits were also analyzed in F3 grains developed on F2 spikes of segregating populations derived from reciprocal crosses between the same cultivated parent and another high-protein line of var. ‘dicoccoides’. No significant differences in the mean values of these traits were found between the reciprocal crosses, indicating no cytoplasmic effect. It has been concluded that these grain characteristics are largely determined by the maternal plant.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00264897
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  • 5
    Digitale Medien
    Digitale Medien
    Increasing grain protein content of hard red winter wheat (Triticum aestivum L.) by mutation breeding (1983)
    Springer
    Theoretical and applied genetics 65 (1983), S. 41-46 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Triticum aestivum ; Wheat ; Protein ; Mutation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Poor adaptability or functional quality of much germplasm used for breeding high-protein hard red winter wheats prompted mutagenesis as an alternative means of increasing grain protein content. Four hard red winter wheat genotypes — KS644 (‘Triumph// Concho/Triumph’), ‘Kaw’, ‘Parker’, and ‘Shawnee’ — were treated with 0.40 M ethyl methanesulfonate (EMS). Advanced lines (M8-M10) were selected that had a 3-year mean grain protein advantage of 0.7% to 2.0% over controls. Increased grain protein content was generally associated with decreased grain yield and kernel weight, but some high-protein mutant lines had yields or kernel weights similar to those of original genotypes. Changes in height and lodging induced by EMS were generally favorable, most mutants being shorter and lodging less than controls, but blooming date was generally delayed, a deleterious change. One line also changed from resistant to segregating for wheat soil-borne mosaic virus. Mutant lines might be utilized in cross-breeding programs, particularly if negative pleiotropic effects and linkages are absent.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00276260
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  • 6
    Digitale Medien
    Digitale Medien
    Identification of a 4A/7R and a 7B/4R wheat-rye chromosome translocation (1981)
    Springer
    Theoretical and applied genetics 59 (1981), S. 33-37 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Wheat ; Rye ; Gene transfer ; Translocations ; Homoeologous genes
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary By producing chromosome substitutions with ‘Imperial rye’ chromosomes 4R (C) and 7R (D) in the wheat cultivar ‘Chinese Spring’ two spontaneous translocation lines were obtained. One involves segments of wheat chromosome 4A and rye chromosome 7R, the other involves portions of wheat chromosome 7B and rye chromosome 4R
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00275773
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  • 7
    Digitale Medien
    Digitale Medien
    Observed and hypothetical leaf rust progress curves of some genotypes of wheat (1981)
    Springer
    Theoretical and applied genetics 60 (1981), S. 85-88 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Wheat ; Leaf rust ; Resistance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary The hypothetical leaf rust progress curves of 15 genotypes of wheat were generated by integrating the components of slow rusting resistance determined in the glasshouse. The area under the disease progress curve (AUDPC) from the hypothetical and observed leaf rust progress curves were compared. It was found that the hypothetical AUDPC values of all the genotypes studied were smaller than their respective observed AUDPC values. Possible causes for the discrepancies in the observed and hypothetical values are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00282422
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  • 8
    Digitale Medien
    Digitale Medien
    Race-specific interactions between wheat genotypes and Indian cultures of stem rust (1981)
    Springer
    Theoretical and applied genetics 60 (1981), S. 161-166 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Gene expression ; Resistance ; Local virulence ; Stem rust ; Wheat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Near isogenic/substitution lines of stem rust resistance genes in different backgrounds of ‘Marquis’, ‘Chinese Spring’ and W 2691 and certain varieties with known genes for stem rust resistance were tested against each of 19 Indian cultures of stem rust races/biotypes (14, 15, 17, 21, 21A-1, 24, 34, 40, 40A, 42, 42B, 117, 117A, 117A-1, 122, 184, 194, 222 and 295). Sr 24 (‘Sear's 3D/Ag’), Sr 24 (TR 380-27 4/3 Ag 14-White seeded recombinant with ‘Agent’ type resistance), Sr 25 (‘Sear's 7D/Ag’), Sr 26 (‘Eagle’), Sr 26 (Knott's 6A/Ag translocation), Sr 27 (WRT 238-5), Combination line (Sr Tt1 + Sr 9b) were observed to be completely effective against all the 19 cultures tested. In addition, a number of lines, such as TAF2d (Sr Agi), Line W(Sr Tt2) and Combination III (Sr Tt1 + Sr 9e), were found to be effective against at least three of the most prevalent races (21, 40A and 117A-1) and a virulent race 122 in Indian natural population. Lines carrying genes other than Sr 2, Sr 9a, Sr 9f (‘Chinese Spring’) and Sr 15 (‘Norka’), and Line E were found to be resistant to one or more cultures of stem rust. The background effect upon the expression of a gene was observed by comparing the range of infection on single gene host lines in either different backgrounds and/or in cultivars with known genes for stem rust resistance against the 12 cultures of stem rust races found in India.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00264522
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  • 9
    Digitale Medien
    Digitale Medien
    An analysis of genes for resistance against two Indian cultures of stem rust races of two bread wheats (1981)
    Springer
    Theoretical and applied genetics 60 (1981), S. 157-160 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Triticum aestivum ; Wheat ; Puccinia graminis ; Stem rust resistance ; Inheritance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Two bread wheat accessions, E5008 and E6160, have been genetically analysed for resistance genes effective against Indian cultures of stem rust races, 15C and 122. The inheritance of resistance to each race has been determined from the F1 and F2 of the crosses (resistant parents with the susceptible variety, ‘Agra Local’) and F2 progenies from the backcross to ‘Agra Local’. Tests have been performed to see if the two varieties carry common genes/s for resistance. The identity of the genes for resistance has been established from relevant crosses with single gene lines carrying known genes for resistance. A single dominant gene effective to race 15C in E5008 has been demonstrated to be Sr9b. Of the two recessive genes, each producing distinct infection types (0; and 1–3) against race 122, one gene has been inferred to be Sr12 and the second to be a hitherto undesignated gene. The resistance of E6160 against race 15C is controlled by two genes, one dominant and one recessive. The dominant gene has been identified as Sr9b. The recessive gene has been inferred to be a new gene. Similarly, a dominant gene effective against race 122 in E6160 has been observed to be different from those so far designated. In addition, the presence of modifier gene/s in the variety, E6160 has been suggested.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00264521
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  • 10
    Digitale Medien
    Digitale Medien
    Genetic control of 6-phosphogluconate dehydrogenase (6-PGD) isozymes in cultivated wheat and rye (1982)
    Springer
    Theoretical and applied genetics 62 (1982), S. 317-320 
    Details
    ISSN: 1432-2242
    Schlagwort(e): Wheat ; Rye ; Phosphogluconate dehydrogenase ; Genetic control
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary The 6-phosphogluconate dehydrogenase (6-PGD) zymogram phenotypes of wheat, rye and their aneuploid derivatives were determined. Two genes involved in the production of 6-PGD isozymes were located on chromosome arms CRL (4 RL) and FRL (6 RL) of “Imperial” rye. On the basis of differential interactions between wheat and rye chromosomes, evidence was obtained that genes located on chromosomes 6 A, 6 BL and 7 BL control 6-PGD isozyme activities in ‘Chinese Spring’ wheat. The wheat and rye 6-PGD zymogram phenotypes were indicative of homoeologous relationships between rye chromosome 6 RL to wheat chromosomes of group 6, and rye chromosome 4 RL to wheat chromosomes of group 7.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00275094
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