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  • 1
    Electronic Resource
    Electronic Resource
    Anodic deposition and cathodic stripping of iron in acetate medium (1972)
    s.l. : American Chemical Society
    Analytical chemistry 44 (1972), S. 457-463 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60311a015
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  • 2
    Electronic Resource
    Electronic Resource
    The Effect of the Environment of Carbonated Beverages on Bacteria. (1911)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 3 (1911), S. 495-496 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50031a012
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  • 3
    Electronic Resource
    Electronic Resource
    The Deterioration of Soda Water Due to Microorganisms. (1913)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 5 (1913), S. 577-578 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50055a014
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  • 4
    Electronic Resource
    Electronic Resource
    The Legal Status and the Character of Work Done by the Kansas State Board of Health Water and Sewage Laboratory (1917)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 9 (1917), S. 708-710 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50091a037
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  • 5
    Electronic Resource
    Electronic Resource
    Intrinsic antibiotic resistance and competition in fast- and slow-growing soybean rhizobia on a hybrid of Asian and US cultivars (1989)
    Springer
    Biology and fertility of soils 8 (1989), S. 66-70 
    Details
    ISSN: 1432-0789
    Keywords: Antibiotic resistance ; Bradyrhizobium japonicum ; Competition ; Rhizobium fredii ; Soybean nodulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Six fast-growing soybean rhizobia (Rhizobium fredii) and thirteen slow-growing soybean rhizobia (Bradyrhizobium japonicum) were examined for resistance to 10 antibiotics. Axenic studies were carried out to determine the competitiveness of dual-strain inocula consisting of fast- and slow-growing rhizobia isolated from subtropical-tropical soils for nodule occupancy on a hybrid of Asian and US soybean cultivars. Nodule occupancy was determined by intrinsic resistance to erythromycin and neomycin. The results showed wide variability in resistance to 10 antibiotics for fast- and slow-growing rhizobia. The intrinsic antibiotic resistance of fast- and slow-growing rhizobia was extremely high against nalidixic acid (400 μg ml−1) and penicillin (200 μg ml−1). The competitive ability of inoculant strains for nodule occupancy varied for different combination sets and with the plant growing media. Our results show that fast-growing rhizobia nodulate a hybrid of Asian and US soybean cultivars. Fast-growing soybean rhizobia did not completely exclude nodulation by the slow-growing strains, which formed 0–79% nodules, depending on the strain used in the inoculum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00260518
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  • 6
    Electronic Resource
    Electronic Resource
    Genetic diversity of fast-and slow-growing soybean rhizobia determined by random amplified polymorphic DNA analysis (1998)
    Springer
    Biology and fertility of soils 26 (1998), S. 254-256 
    Details
    ISSN: 1432-0789
    Keywords: Key wordsRhizobium spp. ; Bradyrhizobium spp. ; Random amplified polymophic DNA ; Phylogeny ; Genetic diversity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The genetic relationships among six strains of rhizobia, including three strains of Rhizobium fredii and three strains of Bradyrhizobium japonicum, was determined using random amplified polymorphic DNA (RAPD) technique. In this study, 46 arbitrary 10mer primers were employed for RAPD, generating a total of 251 informative fragments. A dendrogram of phylogenetic relationships among the six strains was constructed. The results indicated that geographical distribution may affect phylogeny, as there were closer relationships among the four Taiwanese strains, SB138, SB562, SB368 and SB651, than between these strains and USDA192, which originated from mainland China. The strain USDA110, obtained from the United States, was used in the parsimony analysis. The greatest similarity (55.6%), existed between two strains of B. japonicum, SB562 and SB138, which both, and the lowest R. fredii (44.4%) between two strains of R. fredii, SB368 and USDA192. We also found a RAPD marker specific to the four Taiwanese SB strains used in the study. The RAPD technique is a potential tool for the identification of the genetics and systematics of different populations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050376
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  • 7
    Electronic Resource
    Electronic Resource
    Physiological and symbiotic characteristics of Rhizobium fredii isolated from subtropical-tropical soils (1988)
    Springer
    Biology and fertility of soils 5 (1988), S. 350-354 
    Details
    ISSN: 1432-0789
    Keywords: Rhizobia ; Effective N2-fixation ; Osmotic pressure ; Symbiosis ; Glycine max ; Rhizobium fredii ; Rhizobium japonicum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Physiological and symbiotic characteristics were identified in Rhizobium fredii isolated from subtropical-tropical soils. The generation times of R. fredii Taiwan isolated-SB 357 and -SB 682 were 1.7 and 2.5 h, respectively. These strains were associated with acid production in yeast-extract mannitol medium. They were able to use hexoses, pentose, sucrose, trehalose and raffinose. Strain SB 357 can resist a high concentration of kanamycin (100 μg ml−1 and penicillin (400 μg ml−1). It can tolerate up to 2.34% NaCl and 1031.3 mosmol kg−1 (23.4 bars). The growth rate of R. fredii SB 357 under the concentration of approximately 450 mosmol kg−1 (10.2 bars) was not affected by salinity, but responded to osmotic pressure. Both strains (SB 357 and SB 682) isolated from subtropical-tropical soils were able to form an effective N2-fixing symbiosis with the US soybean cv Clark lanceolate leaflet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00262145
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  • 8
    Electronic Resource
    Electronic Resource
    Effects of Rhizobium and vesicular-arbuscular mycorrhiza inoculations on nodulation, symbiotic nitrogen fixation and soybean yield in subtropical-tropical fields (1988)
    Springer
    Biology and fertility of soils 6 (1988), S. 165-169 
    Details
    ISSN: 1432-0789
    Keywords: Rhizobium ; Glomus ; VA mycorrhiza ; Soybean inoculation ; Glycine max ; Symbiotic N2 fixation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Field experiments were carried out to determine the effects of single and mixed inoculations with Rhizobium and vesicular-arbuscular mycorrhiza (VAM) on nodulation, symbiotic N2 fixation and yield of soybeans in six Taiwan subtropical-tropical sites. Inoculation with Rhizobium alone significantly increased nodulation, nodule weight and nitrogenase activity of nodules in three out of six experimental fields, and affected soybean yields in the range −13% to + 134%. Inoculation with VAM fungi alone did not have a significant effect on nodulation and nitrogenase activity. Mycorrhiza inoculation affected soybean yields in the range −13% to + 65%, but only the yield increases at one out of six sites with N application were statistically significant. Mixed inoculation with Rhizobium and mycorrhiza affected yields in the range −8% to + 145% A synergistic effect from mixed inoculation of Rhizobium-mycorrhiza on soybean yields was found in one out of six experimental fields. The yield response to N application (40 kg N ha−1) in these six paddy-field trials was not significant. These results suggest that single or mixed inoculation of rhizobia can greatly assist soybean grain yields and can replace N fertilizers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00257668
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  • 9
    Electronic Resource
    Electronic Resource
    Biological activity and chemical isolation of root saponins of six cultivars of alfalfa (Medicago sativa L.) (1991)
    Springer
    Plant and soil 135 (1991), S. 83-94 
    Details
    ISSN: 1573-5036
    Keywords: aglycone ; allelopathy ; arabinose ; bioassay ; Bromus secalinus ; dormancy rating ; Medicago sativa ; saponins ; thin-layer chromatography (TLC) ; Trichoderma viride ; Triticum aestivum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Wheat, cheat and Trichoderma viride bioassays were used to establish the relationship between the content of biologically active saponins in the roots and the degree of winter dormancy and/or time of six cultivars of alfalfa over the period January to August, 1988. Wheat and cheat bioassay results indicated no significant difforences among cultivars, whereas T. viride was inhibited most by extracts of roots collected during months with high rainfall and rapid growth. Cheast seedling roots were inhibited 8–10% more than those of wheat seedling roots indicating that alfalfa root saponins were more effective as allelopathic compounds in preventing growth of cheat than that of wheat alone. An average of 14 different saponins per cultivar were separated by thin-layer chromatograms. Saponins, and the aglycones produced by acid hydrolysis of the May samples, were separated by thin-layer chromatography. The conclusion is that the amount, structure, and type of saponins present in alfalfa roots vary with time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00014781
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  • 10
    Electronic Resource
    Electronic Resource
    Phytotoxic potential of soils and wheat straw in rice rotation cropping systems of subtropical Taiwan (1989)
    Springer
    Plant and soil 120 (1989), S. 95-101 
    Details
    ISSN: 1573-5036
    Keywords: allelopathy ; lyophilization ; Oryza sativa ; phytoxicity ; rhizosphere soil ; Triticum aestivum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Using a wheat seed bio assay, the phytotoxicity of extracts obtained from wheat and rice rhizosphere soils was determined. The wheat rhizosphere soil extract was found to show phytotoxic effects. More allelopathic materials were found from the wheat-rice rotation soils than from the rice soil. Extracts obtained under basic conditions (pH 8) were found to be more inhibitory than those obtained by acid extraction (pH 5). Wheat straw was found also to contain phytotoxic substances. A comparison of two methods in concentrating the aqueous extracts, rotary evaporation and lyophilization, indicates that the former contained more substances with phytotoxic effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02370295
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