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  • 1
    Electronic Resource
    Electronic Resource
    Resistance to Fusarium head blight and deoxynivalenol accumulation in wheat (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 120 (2001), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Fusarium head blight (FHB), caused by Fusarium graminearum Schwabe (telomorph =Gibberella zeae (Schw.)), is an important wheat disease world-wide. Production of deoxynivalenol (DON) by F. graminearum in infected wheat grain is detrimental to livestock and is also a safety concern in human foods. An international collection of 116 wheat lines was evaluated for FHB resistance and concentration of DON in grain. Plants were inoculated with mixed isolates of F. graminearum in the greenhouse by injecting conidia into a single spikelet of each spike and in the field by scattering F. graminearum-infected wheat kernels on the soil surface. FHB symptoms were evaluated by visual inspection in both the greenhouse and field, and DON was analysed by HPLC. Significant differences in FHB ratings and DON levels were observed among cultivars. In the greenhouse test, visual symptoms varied from no spread of FHB from the inoculated spikelet to spread throughout the spike, and DON levels ranged from trace levels to 283 mg/kg. In the field test, DON ranged from 2.8 to 52 mg/kg. The greenhouse test identified 16 wheat lines from various origins that accumulated less than 2 mg/kg DON. These lines may be useful as sources for breeding wheat cultivars with lower DON levels. Correlation coefficients were significant between FHB symptom ratings, seed quality traits, and DON levels. Thus, the percentage of scabbed spikelets and kernels can be generally used to predict DON levels in harvested wheat grain. In breeding programmes, selection for plants having few scabbed spikelets and scabbed kernels is most likely to result in low DON levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2001.00562.x
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  • 2
    Electronic Resource
    Electronic Resource
    Validation of a major QTL for scab resistance with SSR markers and use of marker-assisted selection in wheat (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The objectives of this study were to validate the major quantitative trait locus (QTL) for scab resistance on the short arm of chromosome 3B in bread wheat and to isolate near-isogenic lines for this QTL using marker-assisted selection (MAS). Two resistant by susceptible populations, both using ‘Ning7840’ as the source of resistance, were developed to examine the effect of the 3BS QTL in different genetic backgrounds. Data for scab resistance and simple sequence repeat (SSR) markers linked to the resistance QTL were analyzed in the F2:3 lines of one population and in the F3:4 lines of the other. Markers linked to the major QTL on chromosome 3BS in the original mapping population (‘Ning7840’/‘Clark’) were closely associated with scab resistance in both validation populations. Marker-assisted selection for the QTL with the SSR markers combined with phenotypic selection was more effective than selection based solely on phenotypic evaluation in early generations. Marker-assisted selection of the major QTL during the seedling stage plus phenotypic selection after flowering effectively identified scab resistant lines in this experiment. Near-isogenic lines for this 3BS QTL were isolated from the F6 generation of the cross ‘Ning7840’/‘IL89-7978’ based on two flanking SSR markers, Xgwm389 and Xbarc147. Based on these results, MAS for the major scab resistance QTL can improve selection efficiency and may facilitate stacking of scab resistance genes from different sources.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00802.x
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  • 3
    Electronic Resource
    Electronic Resource
    UNTERSUCHUNGEN ÜBER DIE GEGENSEITIGE BEEINFLUSSUNG VON KULTURPFLANZEN UND UNKRÄUTERN IN WASSERKULTUR (1961)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 1 (1961), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Zusammenfassung. Es wurden Untersuchungen über die gegenseitige Beeinflussung von Kulurpflanzen und Uukräutern in Wasserkultur durchgeführt. Hierbei wurde eine Methodik verwendet, die es gestattete, die Ursachen einer gegenseitigen Beeinflussung auf den Wurzelbereich zu beschränken und gleichzeitig die Wirkung einiger Konkurrenz-faktoren (z.B. Licht, Raum) ausz.uschalten. Von insgesamt 57 untersuchten Pflanzen-kombinationen (Ergebnisse s. Tab. 1-4) zeigten etwa ein Drittel keine gesicherten Symptome einer gegenseitigen Beeinflussung. Bei allen anderen Versuchen war ein mehr oder weniger ausgeprágter Hemm- bzw. Förderungseffekt festzustellen. Die Ursache dieser Erscheinung konnte in einigen Fallen als Náhrstoffkonkurrenz (Nr. 5, 6, 7, 23, 44d. Tabellen) erkannt werden, wáhrend bei anderen Versuchen (Nr. 12, 13, 15, 18, 23, 45, 46) mit der Beteiligung allelopathischer Faktoren (Abgabe organischer Verbin-dungen aus lebenden und abgestorbenen Wurzelzellen) gerechnet werden muss. Die Wachstumshemmung bzw.- förderung war in einigen Fällen dann besonders deutlich (Nr. 46, 47, 51), wenn dem einen Partner durch Vorkultur ein gewisser Entwicklungs-vorsprung gegeben wurde. Obwohl einige der vorliegenden Ergebnisse mit Befunden aus der Praxis gut übereinstimmen (Nr. 12, 13, 18), kann man aus naheliegenden Gründen (Abbau von Wurzelstoffen durch Mikroorganismen, Absorptionsverhältnisse im Boden usw.) die in Wasserkultur erzielten Resultate nicht unmittelbar auf die natürlichen Verhältnisse übertragen, Um jedoch den möglichen Ursachen einer gegenseitigen Beeinflussung von Kulturpflanzen und Unkräutern überhaupt einmal náher zu kommen, ist cine getrennte Untersuchung der in Frage kommenden Faktoren unumgánglich.Experiments on the interaction between cultivated plants and weeds in water-culture
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3180.1961.tb00005.x
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  • 4
    Electronic Resource
    Electronic Resource
    Blindsight in normal observers (1995)
    [s.l.] : Nature Publishing Group
    Nature 377 (1995), S. 336-338 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our paradigm randomly interleaves two matched displays within each block of trials. Both displays contain a target of uniform visual texture and a background of contrasting texture. In one display the target is subjectively visible, whereas in the other it is not (as is evident by inspection). In ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/377336a0
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  • 5
    Electronic Resource
    Electronic Resource
    Risk aversion and weekly money - Does the market expect the Fed to offset large increase in M1?
    Amsterdam : Elsevier
    Economics Letters 16 (1984), S. 327-330 
    Details
    ISSN: 0165-1765
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0165-1765(84)90184-8
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  • 6
    Electronic Resource
    Electronic Resource
    Self-assessment: A study of progress in Europe's leading organizations in quality management practices (1996)
    Bingley : Emerald
    International journal of quality & reliability management 13 (1996), S. 84-104 
    Details
    ISSN: 0265-671X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Reports a European study on the use of quality management self-assessment. Data have been obtained from 117 organizations who, in general, have some experiences of self-assessment methods. Among the main findings were the identification of the steps which are considered to be a key influence on the success of the self-assessment process and what have been the main learning points. Points out that organizations are using self-assessment mainly to identify strengths and weaknesses and also to facilitate internal and external learning in terms of transfer of best practice and ideas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/02656719610108341
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  • 7
    Electronic Resource
    Electronic Resource
    Prediction of F3 row performance from F2 individual plant data in oats (1991)
    Springer
    Theoretical and applied genetics 81 (1991), S. 79-82 
    Details
    ISSN: 1432-2242
    Keywords: Avena sativa L. ; Grain yield ; Biological yield ; Harvest index ; Early generation selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Parameters estimated from a Gardner-Eberhart analysis of the F2 generation of a six-parent diallel in oats (Avena sativa L.) were used to compare methods for predicting the performance of F3 row plots. The prediction methods were: (1) individual F2 plant performance (F2I), (2) parent average plus F2 plot deviations (PF2), (3) parent average plus weighted F2 plot deviations (PF2P), (4) best linear unbiased prediction (BLUP) of parent average plus F2 plot deviations (BPF2), and (5) BLUP plus weighted F2 deviations (BF2). The F2 single-plant traits used for prediction were biological yield to predict F3 biological yield, whole plant and primary tiller grain yield for prediction of F3 grain yield, and whole plant and primary tiller harvest index (HI) to predict F3 HI. Prediction methods were evaluated by correlations between predicted and observed F3 performance. Prediction methods and traits for which correlations were greater than for F2I included: BF2 for biological yield, PF2, PF2P and BF2 for whole plant grain yield, PF2, BPF2, and BF2 for primary tiller grain yield. None had a correlation significantly greater than F2I for either measure of HI, where heritability was large. PF2 is the recommended method for traits with low heritability because of its simplicity and because it had the largest or nearly the largest correlation for each of the yield traits. F2I is the recommended method for traits with larger heritability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00226115
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  • 8
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    Silicon nanowhiskers grown on 〈111〉Si substrates by molecular-beam epitaxy (2004)
    American Institute of Physics
    Details
    Publication Date: 2004-06-14
    Print ISSN: 0003-6951
    Electronic ISSN: 1077-3118
    Topics: Physics
    Published by American Institute of Physics
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  • 9
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    Complex nature of magnetic field induced ferroelectricity in GdCrTiO5 (2017)
    American Physical Society
    Details
    Publication Date: 2017-11-27
    Print ISSN: 2469-9950
    Electronic ISSN: 2469-9969
    Topics: Physics
    Published by American Physical Society
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  • 10
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    Registration of ‘Howell’ Wheat (1992)
    Wiley
    Details
    Publication Date: 1992-09-01
    Print ISSN: 0011-183X
    Electronic ISSN: 1435-0653
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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