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  • Triticum aestivum  (13)
  • Springer  (13)
  • American Chemical Society
  • Elsevier
  • Oxford University Press
  • 2000-2004
  • 1985-1989  (13)
  • 1986  (13)
Sammlung
Schlagwörter
Verlag/Herausgeber
  • Springer  (13)
  • American Chemical Society
  • Elsevier
  • Oxford University Press
Erscheinungszeitraum
  • 2000-2004
  • 1985-1989  (13)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Stripe rust reactions of Australasian wheats (1986)
    Springer
    Euphytica 35 (1986), S. 593-602 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; Puccinia striiformis ; stripe rust ; yellow rust ; Australia ; New Zealand ; numerical classification ; ordination ; minimum spanning tree
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Seedling and field reactions to four European races of stripe rust were determined for 254 wheat cultivars, mostly from Australia and New Zealand. Numerical analyses of the data employed a divisive classification procedure with termal reallocation to form 10 groups which were then further classified, ordinated and diagnosed by several procedures. The groups formed ranged from one comprising four wheats with low seedling reactions to all four rust strains and mean field rust of only 1.0%, to one comprising 105 wheats with high seedling reactions and mean field rust of 64.7%. Groups of cultivars with intermediate levels of rust resistance were classified both on relative level of overall rust and on differential reactions to rust strains. One group of 13 cultivars had moderately high seedling reactions but averaged only 1.5% rust in the field. Seedling response to gibberellic acid (GA) was also measured and diagnosed as an external attribute, along with grain type and region of origin. Principal co-ordinate analysis revealed that greater resistance to stripe rust was associated with the insensitivity to GA typical of semidwarf wheats and with an origin in northern Australia, where semidwarf wheats have been most used in the breeding program. In terms of numerical analysis of disease data in plant breeding programs, the study highlighted the advantages of using divisive classification with terminal reallocation of group members.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00021868
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Inheritance of biotype E greenbug resistance in bread wheat CI 17882 and its relationship with wheat streak mosaic virus resistance (1986)
    Springer
    Euphytica 35 (1986), S. 615-620 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum speltoides ; Aegilops speltoides ; Triticum aestivum ; wheat ; Schizaphis graminum ; greenbug ; wheat streak mosaic virus ; insect biotypes ; host plant resistance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Genetic studies were conducted to determine the inheritance of biotype E greenbug resistance in CI 17882 (CI 15092/T. speltoides//Fletcher/3/4* Centurk), a wheat germplasm line previously released as resistant to wheat streak mosaic virus (WSMV). In addition, the association of greenbug and WSMV resistance in CI 17882 was examined. Results indicated that biotype E greenbug resistance in CI 17882 is conditioned by a single dominant gene that is not linked with the WSMV resistance gene.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00021870
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Meiotic pairing and alpha-amylase phenotype in a 5B/5Rm Triticum aestivum — Secale montanum translocation line in common wheat (1986)
    Springer
    Theoretical and applied genetics 73 (1986), S. 122-128 
    Details
    ISSN: 1432-2242
    Schlagwort(e): α-amylase ; Triticum aestivum ; Secale montanum ; C-banding ; Meiotic pairing
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary A 5BS/5RmS translocation chromosome spontaneously recovered from a ‘Chinese Spring’ — Secale montanum wheat-rye telocentric 5RmS addition line has been identified and cytologically studied using C-banding in somatic and meiotic cells. Analysis of the translocated chromosome showed that a terminal segment of the short arm of 5B had been replaced by a short terminal region of chromosome arm 5RmS. The translocation led to the deletion of the genetic system promoting pairing located in 5BS, which is slightly compensated for when doses of 5RmS are increased, indicating homoeology to wheat chromosome 5BS. The α-amylase phenotype in 5B/5Rm translocated material was studied and found to be identical to that of ditelocentric line 5BL of ‘Chinese Spring’. An effect on the α-amylase activity was detected as a result of the removal of the terminal region of 5BS, perhaps as a consequence of variation in dormancy period duration.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00273728
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Doubled haploid production in winter wheat and triticale genotypes, using the Hordeum bulbosum system (1986)
    Springer
    Euphytica 35 (1986), S. 1045-1051 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Hordeum bulbosum ; Triticum aestivum ; wheat ; triticale ; haploids ; doubled haploids ; crossability ; seed set ; embryo regeneration
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary An attempt was made to produce doubled haploids on 16 winter wheat and six spring and winter triticale genotypes thought to carry genes for interspecific incompatibility. The potential for haploid production was maximized by the use of Hordeum bulbosum genotypes selected for high crossability on crossable wheat genotypes, the use of two post-pollination applications of gibberellic acid and by the pollination of immature florets. A low frequency of seed was set on both the wheat and the triticale genotypes, having mean seed sets of 0.20 per cent and 0.27 per cent respectively. Although the frequency of embryos (‘seed quality’) was high, doubled haploid production was further limited by poor embryo differentiation and regeneration. Haploid plantlets were obtained from the wheat cultivars Moulin and Renard, although successful chromosome doubling and doubled haploid production was achieved in Moulin only.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00028617
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Dough mixing properties of a wheat-rye derived cultivar (1986)
    Springer
    Euphytica 35 (1986), S. 225-232 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; wheat-rye derived cultivars ; dough stickiness ; dough mixing
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary During test baking, the wheat line QT2870, bred from a rye-derived parent, Kavkaz, and having the pedigree Kavkaz/Timgalen//3*Oxley, showed excessive dough stickiness when slightly overmixed. Conventional quality tests on QT2870 and three commercial varieties did not show any major differences which could explain this dough stickiness. However, resistogram data for QT2870 were considerably different from those for the other cultivars. The curves for QT2870 had lower breaking points and sharper curve angles, indicating that it had a lower tolerance to high speed mixing than the other varieties. Dough stickiness and a lack of mixing tolerance are likely to be major problems limiting the use of rye-derived parents in Australian bread wheat breeding programmes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00028561
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Differences between spring wheat cultivars in early growth (1986)
    Springer
    Euphytica 35 (1986), S. 273-292 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; growth analysis ; relative growth rate ; selection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Twelve spring wheat cultivars were grown as isolated plants in the field and their pre-anthesis growth was interpreted in terms of plant growth analysis. Relative growth rate (RGR) decreased steadily with time due to a decline of leaf area per unit plant weight (LAR), which could be explained by the reduction of the portion of leaf weight in total plant weight (LWR). Growth per unit leaf area (NAR) and leaf area per unit leaf weight (SLA) changed only little with time. Differences between cultivars for NAR and LAR were of similar magnitude: both 8% when measured by the genetic coefficient of variation. Because both quantities were negatively correlated, the genetic variation of RGR was only 5%. Genetic variation for LWR and SLA were also of similar size, both about 4%. Estimates of genetic variances and covariances based on cultivar means appeared to be biased strongly when the error variation of the means was neglected. Special attention is paid to the methodology of plant growth analysis.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00028566
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    The extent of similarity between near-isogenic lines of the Australian spring wheat variety Triple Dirk with their recurrent parent (1986)
    Springer
    Euphytica 35 (1986), S. 381-393 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; bread wheat ; near-isogenic line ; isogenicity ; phenotypic similarity ; vernalisation ; cold requirement
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary The near-isogenic lines of the wheat variety Triple Dirk supposed to differ only for Vrn genes have been investigated for their similarity to Triple Dirk and for purity. The NILs were found to differ from Triple Dirk. It was also discovered that Triple Dirk and the NILs each exist of more than one genotype. It is recommended that each NIL is tested for its Vrn-genotype and purified. New sets of Vrn NILs can only be made with these checked NILs and with one-plant progeny of the newly used recurrent parents.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00021846
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Structure and chromosomal location of malate dehydrogenase (zone 2) isozymes in common and durum wheats (1986)
    Springer
    Euphytica 35 (1986), S. 509-513 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; Triticum turgidum ; durum wheat ; nulli-tetrasomic lines of wheat ; malate dehydrogenase isozymes ; chromosomal location
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary This paper describes the phenotype for MDH-2 isozymes of leaf tissues of Triticum turgidum, T. aestivum and the nulli-tetrasomic lines of homoeologous group 1 of T. aestivum. The results obtained support the hypothesis that the MDH-2 isozymes are monomers coded by genes located in the 1A, 1B and 1D chromosomes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00021859
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    The degree of phenotypic resemblance of the near-isogenic lines of the wheat cultivar thatcher with their recurrent parent (1986)
    Springer
    Euphytica 35 (1986), S. 665-676 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; bread wheat ; near-isogenic lines ; phenotypic resemblance ; backcross ; linkage drag
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Thatcher, 16 of its near-isogenic lines (NIL) and 8 donors were investigated for the degree in which the NILs phenotypically resembled their recurrent parent. In general the NILs have a good phenotypic resemblance. In a few NILs characters occur that are not seen in Thatcher. In some cases these are found in the donor indicating the presence of donor genes other than the marker gene in the NIL. In other cases a character possessed by a NIL is not present in Thatcher or in its donor. In such cases either inhibitor genes may play a part, or the donor accession that accompanies the set of NILs may not be the donor used to breed the NIL. Two causes are possible. One is that the donor was a mixture of genotypes, the other is contamination. The presence of donor genes other than the marker Lr gene(s) in a NIL may lead to unexpected results or, what is worse, to wrong conclusions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00028574
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    Partial asynapsis involving specific chromosomes in intervarietal hybrids of Triticum aestivum L. (1986)
    Springer
    Euphytica 35 (1986), S. 529-537 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; common wheat ; C-banding ; heterochromatin ; monosomics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Metaphase I chromosome association of the monosomic F1 and the backcross progenies made to develop a monosomic line in the Spanish common wheat Pané-247 was analyzed using a Giemsa C-banding technique. This permits the unequivocal identification of nine meiotic chromosomes (4A, 7A and the seven chromosomes of the B genome). The average frequencies of pairing per arm and of univalents for these nine pairs per arm and of univalents for these nine pairs indicate a difference between arms. The F1 showed asynapsis with univalents in 18.5 per cent of PMC's in intervarietal hybrids. This mainly involved chromosomes 4A, 1B and 6B which also have the largest amount of constitutive heterochromatin. The possible causes of reduced metaphase I association and its rapid decrease during backcrossing are discussed in relation to polymorphism between heterozygous homologous chromosomes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00021862
    Standort Signatur Erwartet Verfügbarkeit
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