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  • wheat
  • Springer  (12)
  • Cambridge University Press
  • 1995-1999
  • 1980-1984  (12)
  • 1975-1979
  • 1982  (12)
Collection
Keywords
Publisher
  • Springer  (12)
  • Cambridge University Press
Years
  • 1995-1999
  • 1980-1984  (12)
  • 1975-1979
Year
  • 1
    Electronic Resource
    Electronic Resource
    Characteristics of the fate and efficiency of nitrogen in supergranules of urea (1982)
    Springer
    Nutrient cycling in agroecosystems 3 (1982), S. 63-71 
    Details
    ISSN: 1573-0867
    Keywords: nitrogen efficiency ; nitrogen fate ; rational use ; rice ; supergranules of urea ; wheat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Using15 N tracer technique, the fate and efficiency of nitrogen in supergranules of urea as compared with that in powdered urea were studied in rice fields. The results obtained show that supergranules of urea were characterized by the slight N loss and high N recovery as well as by delayed but long lasting fertilization effects. It follows that the supergranules should be applied earlier and at a lower rate as compared with powdered urea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01063409
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  • 2
    Electronic Resource
    Electronic Resource
    Polymorphism of prolamins and variability of grain quality (1982)
    Springer
    Plant foods for human nutrition 31 (1982), S. 243-249 
    Details
    ISSN: 1573-9104
    Keywords: wheat ; grain protein ; prolamin ; inheritance ; chromosome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Electrophoretic gliadin components are inherited as highly stable blocks of linked components. Multiple allelism of blocks controlled by polygenic loci of six gliadin-coding chromosomes has been revealed. The allelic states of these loci are interrelated with the variability of grain. The regularities discovered permit the use of gliadin polymorphism for estimation of genotype properties in breeding programs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01108633
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  • 3
    Electronic Resource
    Electronic Resource
    The genetics of gliadin and glutenin, the major storage proteins of the wheat endosperm (1982)
    Springer
    Plant foods for human nutrition 31 (1982), S. 229-241 
    Details
    ISSN: 1573-9104
    Keywords: wheat ; genetics ; endosperm ; seed proteins ; gliadins ; glutenins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract This paper reviews our present knowledge of the chromosomal location of the genes that control the synthesis of gliadins and glutenins, the two major groups of storage protein in the endosperm of wheat (Triticum aestivum). Allelic relationships and genetic linkage between genes are also discussed. The areas that require futher investigation are identified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01108632
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  • 4
    Electronic Resource
    Electronic Resource
    Selection for yield in small plots of spring wheat (1982)
    Springer
    Euphytica 31 (1982), S. 549-564 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; grain yield ; selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Four selection experiments were sown: single-row plots with single row-spacing (≃20 cm), single-row plots with double row spacing (≃40 cm), three-row plots and six-row plots both with single row-spacing (≃20 cm). Selection entries were mimiced by 16 different varieties or advanced breeding lines, which were also sown in a yield trial. Each experiment was laid out as a 4-times replicated randomized block design. Row length was 2 m. Alley borders and border-rows of multiple-row plots were harvested separately to evaluate the effects of different harvesting procedures on the selection efficiency. Removal of alley borders was found to be disadvantageous, since the gain in precision was more than offset by the loss in sampled area. Wide spacing of single-row plots improved the selection efficiency in comparison with normal spaced single-row plots. In multiple-row plots the selection efficiency was not improved by harvesting only the central rows. For gross plot yield (= yield of net plot + yield of alley borders) the differences in selection efficiency between the various selection plot-types were explained on the basis of the genetic variance, the environmental variance and the coefficient of genetic correlation with ‘farm’ yield as determined in the yield trial.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039193
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  • 5
    Electronic Resource
    Electronic Resource
    Use of the SDS-sedimentation test and SDS-polyacrylamidegel electrophoresis for screening breeder's samples of wheat for bread-making quality (1982)
    Springer
    Euphytica 31 (1982), S. 677-690 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; glutenin ; SDS-sedimentation test ; SDS-polyacrylamidegel-electrophoresis ; baking quality selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Gelprotein or SDS-insoluble gel-forming glutenin was isolated from wheat flour by extraction with an aqueous 1.5% SDS solution. Remarkable intervarietal differences were observed both in amount and subunit composition of these proteins. The amount of gelprotein and the SDS-sedimentation volume both proved to be good parameters for the bread-making quality of wheat cultivars. A high correlation was observed between amount of gelprotein and SDS-sedimentation volume. The amount of gelprotein was therefore tentatively assumed to be the essential basis of the SDS-sedimentation test. The subunit composition of the gelprotein was studied by SDS-PAGE after reduction of SS bonds by mercaptoethanol. It was found that the average bread-making quality of wheat cultivars and progeny of the cross Atlas 66 x Atys which possessed subunits 3 and 10, coded for by chromosome 1D, was significantly higher than that of wheat samples possessing subunit 2 and 11, their allelic counterparts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039206
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  • 6
    Electronic Resource
    Electronic Resource
    Relationship between sprouting in wheat and embryo response to endogenous inhibition (1982)
    Springer
    Euphytica 31 (1982), S. 193-200 
    Details
    ISSN: 1573-5060
    Keywords: Triticum destivum ; wheat ; pre-harvest sprouting ; inhibitors ; embryo ; germination ; gibberellic acid ; breeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Seed dormancy in wheat (Triticum aestivum L. em Thell) is important for minimizing pre-harvest sprouting. To facilitate breeding cultivars that tolerate pre-harvest sprouting conditions, we assessed mode and magnitude of variation of seed dormancy among genotypes and investigated involvement of endogenous water-soluble inhibitor(s) in seed germination. Embryo bio-assays established that water-soluble inhibitor was ubiquitous among the wheat cultivars studied and did not diminish in quantity during after-ripening. Germination response of embryos was decreased by endogenous inhibitor, but the effect markedly declined as embryos aged at room temperature. Variation in dormancy among cultivars was primarily caused by differential response of their embryos to endogenous inhibitor. Gibberellic acid counteracted the initial inhibitory effect of endogenous inhibitor on germination but not the subsequent inhibitory effect on seedling growth. We concluded that pre-harvest sprouting resistance involves multiple factors, particularly embryo receptivity to endogenous inhibitor, and that variation in inhibitor quantity is not solely responsible for genotypic differences in susceptibility to pre-harvest sprouting. The possibility of additional approaches to breeding for pre-harvest sprouting resistance is indicated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028322
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  • 7
    Electronic Resource
    Electronic Resource
    Agronomic and quality characteristics of spring wheat lines selected for protein content and protein yield (1982)
    Springer
    Euphytica 31 (1982), S. 377-381 
    Details
    ISSN: 1573-5060
    Keywords: Triticum destivum ; wheat ; protein percentage ; protein yield ; milling and baking data ; recurrent selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary High protein cultivars of spring wheat (Triticum aestivum L.) from eight foreign countries and the United States were used in crosses to provide progeny for a recurrent selection program. After two cycles of selection, 40 lines selected for protein yield and 16 lines selected fro protein percentage were evaluated with parents in yield nurseries at Bozeman, Montana. Lines selected for protein pereentage had the highest protein percentages, protein yields similar to the parents, and grain yields lower than the parents. Lines selected for protein yield had protein percentages intermediate between those of the parents and lines selected for protein percentage, but they had the highest protein yields and grain yields. Protein percentage and grain yield were negatively correlated and protein yield and grain yield were positively correlated for both groups of lines. The data tend to suggest that protein yield may a better selection criterion than protein percentage for plant breeders to use in improving protein productivity, although additional testing of this hypothesis is proposed. Milling and baking data showed transgressive improvement over the mean of the patents in many important quality aspects, indicating that good quality lines can be obtained from crosses involving poor to mediocre quality cultivars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00021654
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  • 8
    Electronic Resource
    Electronic Resource
    Generation mean analysis to identify and partition the components of genetic resistance to Septoria nodorum in wheat (1982)
    Springer
    Euphytica 31 (1982), S. 539-545 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestirum ; wheat ; Septoria nodorum ; Septoria glume blotch ; generation mean analysis ; inheruanu of resistance ; additive gene effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Foliar symptom severity of seedlings artificially inoculated with S. nodorum were used to idenify the type of gne action controlling resistance to this pathogen in the early generations of two wheat crosses. In both crosses a resistant spring wheat cultivar was crossed to a susceptible cultivar. Reciprocal crosses were included in the analysis to determine if the cytoplasm contributed in any significant degree to the level of resistance present. Results indicated that resistance was polygenic and that it could be explaned prinerpally by additive gene effects. Some differences in reciprocal crosses were evident, but a significant role for the eytoplasm in resistance is not indicated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00021674
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  • 9
    Electronic Resource
    Electronic Resource
    Monosomic analysis of stem rust resistance in the wheat cultivar Almus (1982)
    Springer
    Euphytica 31 (1982), S. 965-970 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; Puccinia graminis ; black rust ; stem rust ; aneuploids ; gene location
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Monosomic analysis of resistance to stem rust, race 11 (isolate G 425) was carried out in the cultivar Almus (GDR) possessing a 1B/1R translocation. F2 progenies of monosomic and disomic F1 plants of Almus crossed with 21 monosomic lines of Chinese Spring were tested. Two lines (1B and 6B) differed significantly from the disomic segregation ratio by a higher number of resistant plants and two other lines (1D and 6A) by a lower number of resistant plants. The results fitted a hypothesis comprising the interaction of two genes for resistance and two inhibitors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039236
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  • 10
    Electronic Resource
    Electronic Resource
    A new infra-red gas analyser and portable photosynthesis meter (1982)
    Springer
    Photosynthesis research 3 (1982), S. 141-151 
    Details
    ISSN: 1573-5079
    Keywords: infra-red gas analysis ; photosynthesis ; wheat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The new infra-red gas analyser for measurement of CO2 concentration described uses a focussed, dual optical path. The 2W radiation source is a heated alumina bead and a cooled lead selenide photoconductive detector measures the difference in radiation absorption at 4.26 μm by the gas in sample and reference tubes. Radiation is chopped alternately between these tubes at 120 Hz. The signal from the detector is processed through an a.c. coupled amplifier, phase sensitive detector and low pass filter. Incorporated into the photosynthesis meter, the sample tube of the analyser is connected to a leaf chamber and circulating pump forming a closed gas circuit. As a leaf in the chamber removes carbon dioxide from the air in the closed circuit, the decrease in its concentration is sensed by the analyser. The time taken for the concentration to decrease by a predetermined amount (typically 30 ppm) is displayed and rate of net photosynthesis can be calculated from this and the volume of the closed circuit. A measurement of the light-saturated rate of net photosynthesis of a healthy flag leaf of wheat can be made in 10–15 seconds. The system is fully portable and has been used intensively in the field for two summers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00040712
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  • 11
    Electronic Resource
    Electronic Resource
    Monosomic analysis of fertility restoration in common wheat ‘Prof. Marchal’ (1982)
    Springer
    Euphytica 31 (1982), S. 895-900 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; male-fertility restoration ; monosomic analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In common wheat (Triticum aestivum L.) a monosomic set of ‘Chinese Spring’ and male-sterile ‘Janus’ (with cytoplasm of T. timopheevi Zhuk.) were used to determine the chromosomal location of Rf-genes in ‘Professeur Marchal’. As revealed by test cross data, a major gene cofeerring fertility restoration was present in ‘Prof. Marchal’ on chromosome 1B. A significant deviation towards sterility was observed in some fest cross progenies. Chromosome 1B of ‘Chinese Spring’ appeared to carry a dominant restoring gene, which caused partial restoration of fertility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039229
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  • 12
    Electronic Resource
    Electronic Resource
    The use of genetics in understanding protein composition and grain quality in wheat (1982)
    Springer
    Plant foods for human nutrition 31 (1982), S. 205-227 
    Details
    ISSN: 1573-9104
    Keywords: wheat ; grain quality ; endosperm protein ; gliadin ; glutenin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract As each of the classes of wheat-grain protein has been implicated in some aspect of man's interest in wheat utilization, we are motivated to learn more about the genetic control of their synthesis so that breeders may better tailor wheats to specific requirements. The gliadins have particularly merited study because they appear to be responsible for coeliac condition and for depressed lysine content, and as they are proving valuable for varietal identification and grain-quality prediction. Genetic aspects of gliadin synthesis have been studied using aneuploids, by examining F1 and F2 segregation after crossing, and by computer comparison of the gliadin composition of many genotypes in conjunction with systematic pedigree comparisons. These studies indicate gliadin synthesis to be controlled by blocks of tightly linked genes on the short arms of the chromosomes of groups 1 and 6. The high molecular weight subunits of glutenin are genetically distinct from the gliadins, being coded by genes on the long arms of chromosomes 1A, 1B and 1D. A better understanding of the relationship between grain quality and specific endosperm proteins is now developing. It is likely to provide simpler means of selecting for quality type in both breeding and harvest segregation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01108631
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