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  • 1
    Electronic Resource
    Electronic Resource
    Evaluation of soil solar heating for control of damping-off fungi in two forest nurseries in France (1997)
    Springer
    Biology and fertility of soils 25 (1997), S. 189-195 
    Details
    ISSN: 1432-0789
    Keywords: Key words Soil solarization ; Damping-off ; Soil infectivity ; Forest nursery ; Biological control ; Pythium ; Fusarium ; Rhizoctonia solani
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Field experiments were carried out at two different forest nurseries during the summer of 1994 to examine the efficacy of soil solarization for the control of damping-off. Both soils hosted Pythium spp., Fusarium spp. and Rhizoctonia solani as damping-off agents. Soil samples from solarized, steamed, fumigated and untreated plots were periodically collected and assayed for soil infectivity. Solarization with a double layer of polyethylene film was as effective as steaming or fumigation in reducing soil infectivity in the uppermost layer. During July the temperature of covered beds rose as high as 50°C at a soil depth of 5cm. The method achieved good control of Pythium spp., the main cause of damping-off at both nurseries, whereas Fusarium spp. were more tolerant. The association of Trichoderma spp. with a reduction of soil infectivity at the last sampling date strongly suggested that biocontrol processes were induced after solarization. Soil solarization provides a suitable method for control of damping-off.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050302
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  • 2
    Electronic Resource
    Electronic Resource
    Evaluation in the greenhouse of the effects of fungicides on the development of mycorrhiza on leek and wheat (1992)
    Springer
    Mycorrhiza 1 (1992), S. 59-62 
    Details
    ISSN: 1432-1890
    Keywords: Fungicide ; Leek ; Wheat ; Vesicular-arbuscular mycorrhiza
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The effect of 11 fungicides, viz Aliette, Bayleton 5, Benlate, Dithane M45, Euparene, Karathane, Orthocide 83RP, Pelt 44, Tilt C, Tilt 125 and Tripomol 80, on vesicular-arbuscular mycorrhizal symbiosis in leek and wheat growing in a calcined clay was studied in the greenhouse at four concentrations applied to the foliage. Fungicides had minimal effects when applied to leek or wheat plants with well-established mycorrhiza. Mycorrhizal infection was not drastically affected by any fungicide at any application level. However, mycorrhizal infection of leek plants was reduced by systemic fungicides, and that of wheat by non-systemic fungicides. Aliette was the only fungicide that stimulated mycorrhizal development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00206137
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    Paper (German National Licenses)
    Fulltext
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