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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of pest science 67 (1994), S. 125-126 
    ISSN: 1612-4766
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The effect of space on the multiplication of the reniform nematode,Rotylenchulus reniformis on cowpea was determined under green house conditions. Both plant growth as estimated by root and shoot weights as well as its lengths and multiplication of the reniform nematode were greatly affected by the amount of space (soil). The population ofR. reniformis increased with an increase in the amount of space (soil) around seedling; highest being observed at 1,250 g of soil. The growth pattern of cowpea was attaining highest growth in 1,000 g of soil. Population ofR. reniformis increased with an increase in soil up to 1,250 g with 5 seedlings. The growth of cowpea was highest in 500 g of soil with 2 seedlings.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of pest science 67 (1994), S. 41-43 
    ISSN: 1612-4766
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Zusammenfassung Zur Wirkung vonZinnia-Pflanzen in Mischung mit Tomate gegen die NematodenMeloidogyne incognita undRotylenchulus reniformis. Bei Zugabe von 1, 2, 3 oder 4 Pflanzen vonZinnia elegans pro Topf zu Tomate unter Gewächshausbedingungen wurden die Enddichte der Wurzel-NematodenMeloidogyne incognita undRotylenchulus reniformis sowie die Reproduktionsrate und der Wurzelgallenindex signifikant beeinflußt, und zwar mit steigender Zahl an Zinnia-Pflanzen vermindert. Der höchste Wurzelgallen-Index (4,0) wurde bei allein wachsender Tomate pro Topf festgestellt, der niedrigste Index (0,7) bei Anwesenheit von 4 Zinnien. Diese Form der Wurzelnematodenbekämpfung ist billig und frei von Umweltbelastungen.
    Notes: Abstract Effect of nematicidal potential ofZinnia elegans Jacq (1, 2, 3 & 4 plants per pot) as a mix-crop along with tomato againstMeloidogyne incognita andRotylenchulus reniformis was studied under a greenhouse conditions. The nematode final population of both nematodes and their rate of build up as well as the root gall index were significantly affected by the number of zinnia plants when grown with tomato together. There was a negative correlation between the number of zinnia seedlings and the final population of both nematodes. The lowest nematode final population and rate of build up were determined at the highest number of zinnia plants (4 plants per pot). The highest number of root gall index was found on roots of tomato grown alone (4), while, the lowest one was found on roots of tomato (0.7) grown with four plants of zinnia. This type of control is considered inexpensive and pollution-free.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1612-4766
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Cotton, linseed, soybean and sunflower oilseed cakes as well as aldicarb were used to study their effect on the reproduction of R. reniformis and growth of cowpea plants under greenhouse conditions. All treatments of oilseed cakes and aldicarb reduced final population, rate of build up and reproduction of nematode than those of untreated soil in all soil types. The reduction in such values varied greatly according to the type of employed oilseed cakes and soil type. In general, cotton and sunflower proved to be the most effective oilseed cakes for controlling. R. reniformis and gave the greatest growth of cowpea plants when, compared with the other tested oilseed cakes in sandy and both sandy loam and clayloam soil, respectively. Aldicarb was superior and very potent inhibitor to the reniform nematode reproduction, when compared to the tested oilseed cakes in all soil types.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1435-1463
    Keywords: Keywords: Schizophrenia ; methionine adenosyltransferase ; neuroleptics ; erythrocytes ; human brain ; rat brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary. The activity of methionine adenosyltransferase (MAT) was investigated in erythrocytes and postmortem brain specimens (cortex gyrus frontalis, hippocampus and thalamus) of patients with schizophrenia treated with neuroleptics. In comparison with the control group, abnormally low values of MAT Vmax and an increased MAT affinity towards methionine (lower Km values) were found in erythrocytes. In the brain, a regionally selective decrease of MAT Km was found in cortex gyrus frontalis but the Vmax values were however, unchanged. In the regions of cortex gyrus frontalis and hippocampus, but not in thalamus, the values of Vmax and Km were inversely correlated with the duration of schizophrenia. In rats treated for 28 days with the typical neuroleptic haloperidol and the atypical clozapine, a significant increase of MAT activity was found in the corpus striatum. There is the possibility that the changes observed in MAT activity in patients with schizophrenia are attributed to the neuroleptic medication.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 110 (1984), S. 273-279 
    ISSN: 1573-5117
    Keywords: Sudan ; Alestes ; growth ; feeding ; Nile
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The food, feeding habits and growth of 0+ Alestes nurse (Rüppel) from the Blue Nile near Khartoum, was investigated. 0+ A. nurse were observed to change their food from phytoplankton and small zooplankton during their pre-metamorphosis stages, to larger zooplankton (Daphnia spp., Chydorus sp.) and insects (larvae, pupae and imagines) during their post-metamorphosis stage. Their growth in length and weight was characterized by two distinct stanzas; during the first stanza, the fish increased in total length at a rate of 0.196 mm mm−1 wk−1, and in wet weight at a rate of 0.430 g g−1 wk−1. These rates were reduced during the second stanza to 0.046 mm mm−1 and 0.080 g g−1 wk−1, respectively. The calculated value of the exponent b in their length-weight relationship suggested that their growth was allometric.
    Type of Medium: Electronic Resource
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