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  • 1
    Electronic Resource
    Electronic Resource
    Ecology and Management of Sweet Potato Insects (1990)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Entomology 35 (1990), S. 157-180 
    Details
    ISSN: 0066-4170
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.en.35.010190.001105
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Influence of film mulches and soil pesticides on root diseases and populations of soil-borne fungi in vegetables (1978)
    Springer
    Plant and soil 49 (1978), S. 267-283 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Field plots of Tifton loamy sand were treated with various soil pesticides and left exposed or covered with biodegradable paper or black polyethylene film mulch. Cucumber, squash, muskmelon, sweetcorn, and polebean were planted in one or more experiments. Trickle irrigation under the film was used in several tests. Isolations were made from roots of all crops except sweetcorn, and the fungi most commonly isolated wereFusarium oxysporum, Pythium spp.,F. solani, F. roseum, andRhizoctonia solani from cucurbits andF. solani andF. oxysporum from polebean. Significantly fewer fungi were isolated from plants grown in soil treated with DD-MENCS (20% methyl isothiocyanate +80% chlorinated C3 hydrocarbons) or methyl bromide-chloropicrin (2:1) (MBC) than from controls, and populations ofPythium spp.,F. solani, andF. oxysporum, were reduced in soil. Sodium azide, sodium azide +ethoprop or carbofuran, and sodium methyl dithiocarbamate were less effective than DD-MENCS and MBC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02149736
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Kairomones and their use for management of entomophagous insects (1977)
    Springer
    Journal of chemical ecology 3 (1977), S. 513-518 
    Details
    ISSN: 1573-1561
    Keywords: kairomone ; parasitoid ; Trichogramma pretiosum ; biological control ; host finding ; host acceptance ; Heliothis zea ; Trichoplusia ni
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The response ofTrichogramma pretiosum Riley to stimuli fromHeliothis zea (Boddie) and fromTrichoplusia ni (Hübner) was examined in the laboratory. Kairomones were responsible, at least in part, for the greater response to naturally depositedH. zea eggs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00989072
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Occurrence of fleshy fungi from agricultural fields (1993)
    Springer
    Mycopathologia 122 (1993), S. 29-34 
    Details
    ISSN: 1573-0832
    Keywords: Agriculture ; Biocontrol ; Residue ; Saprophytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Thirteen species of fleshy fungi were identified from two agricultural fields during the 1989 and 1990 growing seasons at the Rural Development Center (RDC) and Horticulture Farm, Coastal Plain Experiment Station, Tifton, Georgia. The three most common fungi wereCoprinus plicatilis, Cyathus olla, andPanaeolina foenisecii. At the former site, residue management practices were established for evaluating crop production and at the Horticulture Farm different crops were grown with conservation tillage employing a Low Input Sustainable Vegetable Production system. Tillage treatments at the RDC were no-till, row-till, ridge-plant, and moldboard-plowing. Residue management of triticale included burning or cutting the stubble at a height of 20 or 60 cm at harvest. At the Horticulture Farm, seven winter cover crops were compared to a fallow control. No significant differences were shown between observations of fungal species and individual treatments at the Horticulture Farm during 1989 and 1990. However, there were treatment differences for observed fungi at the RDC farm on specific dates for both years. Furthermore, no individual treatment(s) during the investigation increased observation rates of specific fungal species. Non-burned debris treatments showed consistently higher populations and diversity of fungi than burn debris plots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01103706
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    Paper (German National Licenses)
    Fulltext
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