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  • Articles  (16)
  • Articles: DFG German National Licenses  (16)
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (16)
  • 1
    Electronic Resource
    Electronic Resource
    Ribosomal DNA spacer-length polymorphisms in three samples of wild and cultivated barleys and their relevance to the origin of cultivated barley (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 123 (2004), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: This study was conducted to provide additional data for evaluating two important issues surrounding the origin of cultivated barley: (i) the level of genetic diversity of the two-rowed wild barley from Tibet, and (ii) the distribution of rDNA allele 104 in wild and cultivated barleys in the Occidental region. A total of 198 accessions consisting of three distinct samples were used: 82 entries of two-rowed wild barley from Tibet, 57 accessions of two-rowed wild barley from 8 countries with a broad range of representation of two-rowed wild barley in the world, and 59 landrace accessions from four countries representing a part of the barley-growing areas in the Middle East. These were assayed for rDNA spacer-length variants (slvs). In all, 27 rDNA space length pheno types were detected, from which 10 slvs were identified as alleles at the two rDNA loci. The two-rowed wild barley samples from Tibet had the lowest level of genetic variation as evaluated by rDNA polymorphism. Together with results of previous studies, the two wild forms (two-rowed and six-rowed) from Tibet could not account for the large genetic diversity observed in the cultivated barley of this region, suggesting that Tibet is unlikely a centre of origin for cultivated barley. In samples from the Occidental region, allele 104 of Rm2 was very rare in wild barley, but occurred at the highest frequency in cultivated barley, while the reverse is the case for allele 107, which is consistent with previous results. The implications of such a contrasting distribution of these rDNA alleles between wild and cultivated barleys in the origin and evolution of cultivated barley were discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.2004.00909.x
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  • 2
    Electronic Resource
    Electronic Resource
    Pyramiding of insect- and disease-resistance genes into an elite indica, cytoplasm male sterile restorer line of rice,‘Minghui 63′ (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 123 (2004), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The wild-rice-derived dominant gene Xa21 conferring multi-race resistance to bacterial blight and a fused Bt gene cry1Ab/cry1Ac conferring resistance to lepidopteran insects were individually introduced into the same genetic background of an elite indica cytoplasm male sterile (CMS) restorer line ‘Minghui 63′. The line showed the desirable insect- and disease-resistant phenotypes. To maximize the effect, the two genes were also pyramided into the same recipient plant of ‘Minghui 63’ by marker-assisted selection. After being subjected to natural infestation of leaf-folders and yellow stem borers and inoculation of Xoo strain mixtures, the pyramiding line and its derived hybrids showed high levels of resistance against both insect damage and disease. Furthermore, data from field trials demonstrated that the hybrids made by crossing this pyramiding line with the CMS lines ‘Zhenshan 97A’ and ‘Maxie A’ retained a similar level of yield under conditions without chemical spray, indicating that the pyramiding genes have a yield-stabilizing effect on the recipient line and its hybrids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2003.00917.x
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  • 3
    Electronic Resource
    Electronic Resource
    Relationship between molecular marker heterozygosity and hybrid performance in intra- and inter-subspecific crosses of rice (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 118 (1999), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The objective of this study was to investigate the relationship between molecular marker diversity and heterosis in both intra-and inter-sub-specific hybrids of rice to evaluate the feasibility of predicting hybrid performance using molecular markers. Eleven elite lines were intermated resulting in a diallel set including 10 indica × indica, 15 japonica × japonica and 30 indica × japonica crosses. The F1 hybrids and parents were evaluated for agronomic performance in a replicated field trial. The parental lines were tested for DNA polymorphisms with 113 restriction fragment length polymorphism (RFLP) probes covering the 12 rice chromosomes. Inter-subspecific crosses showed better performance and higher heterosis than intrasubspecific hybrids. Correlations of marker heterozygosity with hybrid performance and heterosis differed considerably between the two subspecies; they were higher in crosses within japonica subspecies than within indica subspecies. Very little correlation was detected in intersubspecific crosses. It was concluded that relationships between marker heterozygosity and hybrid performance were complex owing to germplasm diversity and the complexity of the genetic basis of heterosis. The implications of the results in predicting hybrid performance using molecular markers are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.1999.118002139.x
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  • 4
    Electronic Resource
    Electronic Resource
    SSR and SCAR markers linked to the fertility-restoring gene for a D2-type cytoplasmic male-sterile line in wheat (2005)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 124 (2005), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: ‘Yi 4060’ is an elite restorer line of a non-photoperiod-sensitive D2-type cytoplasmic male-sterile (CMS) line of wheat. Random amplified polymorphic DNA (RAPD) and simple sequence repeat (SSR) markers were employed to map one major fertility-restoring gene (D2Rf1) in ‘Yi 4060′. The sterile and fertile DNA pools were established from individuals in BC6, based on bulked segregant analysis. One RAPD marker E09, linked to D2Rf1, was converted to a SCAR marker and designated as E09-SCAR865. The genetic distance between E09-SCAR865 and D2Rf1 is 9.5 cM. Two SSR markers, Xgwm11 and Xgwm18, were also linked to a D2Rf1 and co-segregated with E09-SCAR865. The three molecular markers are useful in marker-assisted breeding of the elite restorer lines for D2 -type CMS lines in wheat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.2005.01120.x
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  • 5
    Electronic Resource
    Electronic Resource
    The geographical distribution of sunflower diseases in China (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 37 (1988), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In various areas of China, the fourth largest sunflower-producing country in the world, 25 sunflower diseases have been reported: 19 caused by fungi, one virus disease and five caused by different species of broomrape. Their geographical distribution and economic significance are discussed. Fungi are the most prevalent disease causing agents in every region. More species of broomrape have been recorded in China than in any other country in the world. Orobanche coerulescens has not previously been reported to attack sunflower but is an important cause of disease in China. The number of diseases recorded differs among the regions, with 14 in North-east China, 11 each in North, North-west and South-west China, 10 in East China and six in Central and South China. This distribution broadly corresponds to the intensity of sunflower production. Only Puccinia helianthi and Septoria helianthi are reported in all the regions; 64% of the diseases are restricted to one or two regions. Alternaria helianthi, Septoria helianthi, Sclerotinia sclerotiorum and Orobanche coerulescens are considered to be the most important, causing 10-50% losses in yield, and even crop failure in some areas in some years. Much work remains to be done on disease control to promote the development of sunflower production in China.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1988.tb02104.x
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of Dietary Phosphorus Levels on Growth, Body Composition, Muscle and Bone Mineral Concentrations for Orange-Spotted Grouper Epinephelus coioides Reared in Floating Cages (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 35 (2004), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A feeding experiment was conducted in floating cages (1.5 ± 1.0 ± 2.0 m) to determine the requirement of dietary phosphorus by juvenile orange-spotted grouper Epinephelus coicodes. Five isonitrogenous (approximately 54% CP) fishmeal-casein-based diets that contained 0.68, 0.77, 0.86, 1.02 and 1.21% total phosphorus from ingredients and supplemental monocalcium phosphate (MCP: 0, 0.75,1.51,2.26,3.02%) were fed to the fish previously fed a basal diet (0.68% total phosphorus) for 2 wk. Fish were fed in triplicate cages with one of the diets twice daily to satiation. After 8 wk of feeding, survival ranged from 70.0% to 81.7% with no significant difference among dietary treatments. The relative weight gain, specific growth rate, muscle lipid, ash, calcium, iron, zinc and phosphorus, bone ash, phosphorus, iron, and zinc were significantly affected by dietary phosphorus level. There were no significant effects of increasing total dietary phosphorus on hepatosomatic index, viscerasomatic index, condition factor, muscle moisture and protein, muscle magnesium, and manganese; and bone calcium, magnesium and manganese. Based on relative weight gain, specific growth rate and bone phosphorus, a dietary level of 0.86% total phosphorus is recommended for juvenile grouper growing in floating cages.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.2004.tb00107.x
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Influence of Soluble Lysine Maillard Reaction Products on Escherichia coli Amino Acid Lysine Auxotroph Growth-Based Assay (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Lysine Maillard reaction products (LMRP) were generated by autoclaving different concentrations and ratios glucose and lysine for 3 h. Effects of LMRP on the Escherichia coli lysine auxotroph (lys−) were examined in model systems. The slope and y-axis intercept of the standard curve in the absence of LMRP were significantly (p 〈 0.05) greater than in the presence of LMRP. Our study shows that LMRP can decrease the growth extent of lys−. The E. coli available lysine assay may provide the food industry with a practical approach to rapid and accurate estimation of lysine for least cost formulation in foods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2002.tb09513.x
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  • 8
    Electronic Resource
    Electronic Resource
    Comparison of the Real-time Microrespirometer and Aerobic Plate Count Methods for Determination of Microbial Quality in Ground Beef (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Real-time microrespirometer measurements were compared with the aerobic plate count (APC) method to assess microbial quality of ground beef stored at 4°C and 7°C with and without previous freezing. The samples were monitored daily for CO2 evolution rate (CER) using a microrespirometer, APC, and were evaluated for color and odor changes by a sensory panel. The CER was highly correlated with the APC for all storage conditions (r2 = 0.787 to 0.952). The onset of meat spoilage was more closely associated with a specific CER value (〉25 μL/h/g) than APC. The new method was found to be more accurate in predicting meat spoilage, especially for previously frozen samples.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb05801.x
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  • 9
    Electronic Resource
    Electronic Resource
    Chemical composition and nutritive value of mature annual legumes for sheep
    Amsterdam : Elsevier
    Animal Feed Science and Technology 37 (1992), S. 221-231 
    Details
    ISSN: 0377-8401
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0377-8401(92)90006-R
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  • 10
    Electronic Resource
    Electronic Resource
    A method to estimate the S-R relationship using rough information on the rate of exploitation
    Amsterdam : Elsevier
    Fisheries Research 17 (1993), S. 293-309 
    Details
    ISSN: 0165-7836
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0165-7836(93)90131-P
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