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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 42 (1993), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The presence of the nationally-rare schelly. Coregonus lavaretus, in Brotherswater, a small lake in the English Lake District, was confirmed in the summer of 1992. However, pronounced deepwater oxygen depletion may pose a threat to the continued survival of this seventh U.K. population.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 43 (1994), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A stem and fruit rot of sweet peppers (Capsicum annuum) occurred in 1992 in West Sussex affecting a large proportion of plants of cv. Tasty and to a lesser extent cv. Mazurka. Fusarium solani was isolated from the stem lesions and also from a short distance above and below them. The disease was largely nodal. Distinctive fruit symptoms also occurred. Symptoms were reproduced by inoculation of wounds on the stem. On agar and in a small in vivo test the pathogen was sensitise to benomyl at 2 μg ml. The disinfectants, commercial sodium hypochlorite, Purogene and Tego 51 effectively killed macrospores following exposure for 15 min.
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 39 (1990), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Pythium oligandrum was consistently isolated from black patches of mushroom compost from two farms. When used in experiments it inhibited the growth of mycelium of Agaricus bisporus and this effect was enhanced in the presence of a compost supplement which contained high levels of nitrogen. The common name pythium-black compost is proposed for the problem.
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 40 (1991), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Fusarium crown and root rot caused by Fusarium oxysporum f. sp. radicis-lycopersici was found in the UK in 1988 and 1989 mainly in rockwool-grown tomato crops. Up to 14% of plants were affected in individual crops. In experiments, leaf and stem symptoms did not appear until the time of first fruit harvest even when the plants were inoculated at planting, first flowers or fruit set. Conidial inoculum at 106 spores/plant applied at seed sowing killed 70–83% of tomato seedlings, whereas similar levels of inoculum applied to young plants caused root and basal stem decay, and eventually death but only after fruit harvest began. Disease incidence and symptom severity increased with inoculum concentration. Experimentally, the disease was more severe in peat- or compost-grown plants than in rockwool. Disease spread was only a few centimetres in 50 days in experimental rockwool-grown plants. All tomato cultivars tested were highly susceptible. Prochloraz-Mn was highly effective against the pathogen in vitro and controlled the disease in the glasshouse, but only when applied preventively. Non-pathogenic Fusarium oxysporum isolates and Trichoderma harzianum also reduced FCRR disease levels.
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of chemical information and modeling 32 (1992), S. 144-148 
    ISSN: 1520-5142
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 47 (1991), S. 12-14 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 345 (1990), S. 297-298 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-The subregional localization of malignant hyperthermia susceptibility (MHS) to chromosome 19ql2-13.2 recently reported in Nature1 can be used to suggest or eliminate 'candidate' genes as the site for the primary defect in this disorder. Indeed, MacLennan et al. 2 suggest, on the basis of ...
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Euphytica 63 (1992), S. 33-49 
    ISSN: 1573-5060
    Keywords: tomato ; Lycopersicon esculentum ; cucumber ; Cucumis sativus ; pepper ; Capsicum annuum ; lettuce ; Lactuca sativa ; mushroom ; Agaricus spp. ; carnation ; Dianthus caryophyllus ; chrysanthemum ; Dendranthema grandiflorum ; disease resistance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Cultivars of tomatoes, cucumbers, lettuce and peppers have been bred for resistance to one or more pathogens. Some tomato and cucumber cultivars have resistance to a wide range of diseases. Resistance has been transient in many cases and a succession of cultivars with new genes or new combinations of resistance genes has been necessary to maintain control. There has been a number of notable exceptions and these have included durable resistance to such pathogens asFulvia fulva and tomato mosaic virus. With lettuce the resistance situation is complicated by the occurrence of fungicide resistant pathotypes. There are no strains ofAgaricus bisporus purposely bred for disease resistance. In protected flower crops only resistance to Fusarium wilt in carnations has been purposely bred but differences in disease resistance are apparent in cultivars of many ornamental crops. This is particularly so in chrysanthemums where there are cultivars with resistance to many of the major pathogens. Similar situations occur with other flower crops and pot plants. Cultivars of some species have not been systematically investigated for resistance. The need for genetic resistance will increase with the further reduction, in the limits on pesticide use and an increasing public awareness and importance of pesticide pollution.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 28 (1993), S. 2677-2686 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Phase relations in the lime-rich portion of the system CaO-B2O3-SiO2 have been studied by microscopy, infrared spectroscopy and X-ray powder diffraction of heated mixtures and quenched charges. Extensive solid solution of B2O3 in Ca2SiO4 occurs along the Ca2SiO4-Ca3B2O6 boundary, which has been studied in detail. It contains a ternary compound, Ca11B2Si4O22, which is stable to liquidus temperatures, melting incongruently to Ca2SiO4 and liquid at 1420 °C. Ca11B2Si4O22forms a eutectic with Ca3B2O6 at 1400 °C and, in the ternary system, with CaO and Ca3B2O6 at 1390 °C.
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  • 10
    ISSN: 1573-2991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
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