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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of nutrition 22 (1983), S. 27-33 
    ISSN: 1436-6215
    Schlagwort(e): wheat ; lysine ; carnitine ; lipids ; mitochondria
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Medizin
    Beschreibung / Inhaltsverzeichnis: Zusammenfassung 32 abgesetzte männliche Albinoratten wurden in 4 Gruppen eingeteilt, um die Wirkung einer lysinarmen Weizendiät (AW), einer Weizendiät mit 0,4 % Lysin (LW) oder 0,2 % Carnitin (CW) sowie einer Caseindiät auf den Stoffwechsel von Lipiden in verschiedenen Geweben zu untersuchen. Nach 8 Wochen Fütterung der verschiedenen Diäten unter Anwendung der „paired feeding technique“ wurden Veränderungen in den Gesamtlipiden, den Lipidbestandteilen, den einzelnen Fettsäuren und dem Lipidgehalt der Mitochondrien des Herzens, der Skelettmuskeln, der Lungen und des Fettgewebes der Tiere bestimmt. Die lysinarme Weizendiät (AW) bewirkte eine Lipidanreicherung (vor allem an Acylglyzerinen) im Herzen, in der Leber, den Skelettmuskeln sowie eine Lipidabnahme im Fettgewebe. Die Diäten mit 0,4 % Lysin (LW) oder 0,2 % Carnitin (CW) zeitigten die entgegengesetzte Wirkung, wobei CW wirkungsvoller erschien als LW. LW und CW erhöhten die relativen Anteile von C14∶0-, C16∶0- und C16∶1-Fettsäuren und verkleinerten diejenigen von C18∶1-, C18∶2- und C18∶3-Fettsäuren, während die Anteile unter der AW- und Caseindiät ab- bzw. zunahmen. Die Fettsäurezusammensetzung des Fettgewebes war bei allen Gruppen gleich. Die AW-Diät vergrößerte die relativen Anteile von C14∶0- und C20∶4- und verringerte die von C16∶0-, C16∶1- und C18∶3-Fettsäuren in den Lungen. Die AW-Ergänzungsdiäten verringerten die relativen Anteile von C16∶0-, C16∶1-, C18∶3-sowie auch der C18∶1-Fettsäuren. Der Lipidgehalt der Mitochondrien von Leber, Herz, Skelettmuskeln und Lunge verringerte sich unter der AW-Diät und erhöhte sich unter den LW- und CW-Diäten.
    Notizen: Summary 32 weanling male albino rats were divided into 4 groups to study the effects of lysine-deficient wheat diet (AW) and AW supplemented with either 0.4 % lysine (LW) or 0.2 % carnitine (CW) as compared to casein diet on metabolism of lipids in various tissues. LW, CW and casein diet groups were pair-fed with AW group. Changes in total lipids, lipid components, individual fatty acids, mitochondrial content in liver, heart, skeletal muscles, lungs and adipose tissue were determined after 8 weeks of feeding. AW diet resulted in accumulation of lipids (mainly acylglycerols) in heart, liver, skeletal muscles and depletion in adipose tissue. The LW and CW diets reversed the effects of AW diet, the CW being more effective than LW diet. The LW and CW diets increased the relative proportion of C 14∶0, C 16∶0, C 16∶1 and decreased that of C18∶1, C18∶2, C18∶3 fatty acids which were decreased and increased, respectively, on the AW and casein diets. The fatty acids composition of adipose tissue was the same in all the groups. The AW diet increased the relative proportions of C 14∶0, C 20∶4 and decreased that of C 16∶0, C 16∶1, C 18∶3 fatty acids in the lungs. Supplemented AW diet decreased the relative proportions of the former group and increased that of the later group including C 18∶1 fatty acid also. The mitochondrial content of liver, heart, skeletal muscles and lungs was decreased on AW and reversed on LW and CW diets.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Plant foods for human nutrition 33 (1983), S. 121-126 
    ISSN: 1573-9104
    Schlagwort(e): wheat ; gliadin ; glutenin subunits ; correlation ; gluten quality
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Plant foods for human nutrition 33 (1983), S. 161-168 
    ISSN: 1573-9104
    Schlagwort(e): wheat ; gluten ; small scale extraction
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Abstract A new small scale device for wheat gluten separation is described and the results of the first experiments on the influence of extraction conditions on different flours are reported.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    Euphytica 32 (1983), S. 217-223 
    ISSN: 1573-5060
    Schlagwort(e): Hexaploid triticale ; Secale cereale ; rye ; Triticum aestivum ; wheat ; heterochromatin ; chromosome association
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary In the hexaploid triticale (× Triticosecale Wittmack) cultivar Rosner chromosome 2R lacks the prominent heterochromatic bands of both telomeres. This modified 2R chromosome is capable of pairing in a high frequency with wheat chromosomes. It is hypothesized that the accumulation of heterochromatin at the telomeres of rye chromosomes may have contributed to the isolation of the wheat and rye genera by inhibiting pairing between wheat and rye chromosomes.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    Euphytica 32 (1983), S. 431-438 
    ISSN: 1573-5060
    Schlagwort(e): Hordeum vulgare ; barley ; Triticum aestivum ; wheat ; T. turgidum ; durum wheat ; X Triticosecale ; triticale ; salt tolerance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Saline soils are typically very patchy in their salinity. The yield of crops growing on them is similarly patchy. This paper argues that because most of the yield from such soils comes from the least saline areas, the best breeding strategy for improving the overall yield of crops growing on them is to select for high yield on non-saline soils. This conclusion derives from comparing the effects that four different breeding goals, namely: (1) a 10% increase in yield on non-saline soils, (ii) a 20% increase in the threshold salinity that first reduces yield, (iii) a doubling of yield at an electrical conductivity of the saturation extract (ECe) of 20 dS/m and (iv) a combination of (i) and (iii), would have on total yield. The effects of achieving these goals in barley, common wheat, durum wheat and triticale in fields exhibiting different salinities are predicted from actual yields of these species grown on different salinities in the field.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Springer
    Euphytica 32 (1983), S. 439-446 
    ISSN: 1573-5060
    Schlagwort(e): Triticum spp. ; wheat ; disease severity ; heading date ; plant height ; Septoria Progress Coefficient ; Septoria tritici
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary The relationships between disease severity (percent pycnidia of Septoria tritici on the four uppermost leaves) and the vertical disease placement expressed as the ratio between disease height (cm)/plant height (cm), (referred to as SPC (Septoria Progress Coefficient)), and between maturity level (days to heading) and SPC, were evaluated for 9500 wheat and triticale accessions tested in field trials during 1977–1981. The relation between disease severity and SPC fitted a quadratic equation in which four distinct cutivar response classes were categorized: A) PCD (percent disease)≤15.0/SPC≤0.400 (highly resistant cultivars); B) PCD≤15.0/SPC (0.400–0.650) (moderately resistant); C) PCD (15.0–40.0)/SPC (0.400–0.700) (moderately susceptible); and D) PCD≥40.0/SPC〉0.700 (highly susceptible cultivars). It is suggested that cultivars assigned to classes B and C which exhibit low receptivity and moderate to high vertical pathogen placement differ in nature and type of protection from that expressed by the highly resistant cultivars in class A. Representative cultivars belonging to each of the classes are listed together with their agronomic characteristics (plant height and maturity level).
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Springer
    Euphytica 32 (1983), S. 617-624 
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; kernel color ; protein content ; inheritance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Utilization of high-protein hard red wheat germplasm in breeding high-protein hard white winter wheats for the U.S. Great Plains raised concern regarding possible genetic relationships between kernel color and protein content. Segregating F3 and F4 populations from reciprocal crosses and backcrosses involving high-protein hard red winter wheat cultivar Plainsman V and normal-protein hard white winter wheat line KS75216 were examined. Nonsignificant regression and correlation coefficients in the F3 generations of KS75216/Plainsman V, KS75216//KS75216/Plainsman V and Plainsman V//KS75216/Plainsman V indicated the absence of genetic relationships between kernel color and protein content. Therefore, despite the presence of genes for protein content and kernel color on the same chromosomes (3A, 3B and 3D), kernel color and protein content appeared as independent traits. A small but significant negative relationship between white kernel color and high protein in Plainsman V/KS75216 was attributable to the possible presence of alien genetic material in the parentage of Plainsman V. Chi-square tests indicated that Plainsman V is a mixture of genotypes for kernel color; most genotypes carry two dominant genes for red color and a few carry one or three. Genetic control of grain protein appeared to be complex. Partial dominance for high protein was indicated in the F3 generation but a generally continuous distribution and transgressive segregation also suggested other genes functioned additively. Heritability estimates by parent-offspring (F3-F4) regression were sufficiently high to ensure genetic progress in the selection of high-protein lines in the red x white wheat crosses. We concluded that development of high-protein cultivars is as feasible for white wheats as for red wheats.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Springer
    Euphytica 32 (1983), S. 743-748 
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; plant physiology ; plant breeding ; Australia
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Major changes in the behaviour of the Australian wheat crop over the last one hundred years have been associated with three major gene groupings. The significance of major genes in monitoring response to vernalization, photoperiod and gibberellin, reveals a more optimistic future for breeding programmes where simple genetic and physiologic studies are integrated within those programmes. A revised classification of growth habit is presented in the appendix.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Springer
    Euphytica 30 (1981), S. 501-504 
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; gametocide ; sterility ; fertility ; developmental stages
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary The effects of the gametocides Ethrel, RH-532, and RH-2956 on wheat tillers at various stages of development were studied. The gametocides were applied to Anza and Yecora 70, two spring wheat (Triticum aestivum L.) varieties, at three rates of foliar application when the main tillers were at meiosis. Ethrel was less effective in causing sterility than RH-532 and RH-2956. Anza showed greater induced sterility than Yecora 70 when treated with these gametocides. Ethrel affected only late tillers treated at or before meiosis. RH-532 and RH-2956 at the high application rate were equally effective for Anza. RH-2956 at the high application rate induced uniform and maximum sterility in early and late tillers of both Anza and Yecora 70.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    ISSN: 1573-5060
    Schlagwort(e): Triticum aestivum ; wheat ; Triticum turgidum ; durum ; wheat ; alcohol dehydrogenase
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary Analysis of individual parts of Triticum aestivum L. and T. turgidum var. durum kernels showed two classes of alcohol dehydrogenase patterns: 1) A three banded pattern (ADH-1, ADH-2 and ADH-3) for endosperm (Ed) and 2) a seven banded pattern (ADH-F1, ADH-F2, ADH-1, ADH-2, ADH-3, ADH-S1 and ADH-S2) for embryo (E), scutellum (S) and embryo plus scutellum (E+S). The use of nullitetrasomic and ditelosomic series of Chinese Spring wheat allows alcohol dehydrogenase to be associated with arms 4Aα, 4BL and 4DS. A five subunit forming dimer hypothesis is postulated to explain the newly reported seven isozyme pattern. Subunits α, β and δ are coded by chromosome arms 4Aα, 4BL and 4DS respectively, and the newly postulated ɛ and γ are coded also by chromosome arm 4BL.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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