Onchiurus apuanicus

At 2.5 mg atrazine/kg soil, equivalent to 2 kg/ha in the top 10 cm, field and laboratory studies demonstrated that mortality in arthropod collembolids (Onchiurus apuanicus) was 47% in 60 days however, fecundity was not affected at dose levels up to 5.0 mg/kg soil. It was concluded that... 

At 2.5 mg atrazine/kg soil, equivalent to 2 kg/ha in the top 10 cm, field and laboratory studies demonstrated that mortality in arthropod coUembolids Onchiurus apuanicus) was 47% in 60 days however, fecundity was not affected at dose levels up to 5.0 mg/kg soil. It was concluded that atrazine applications at recommended treatment levels had negligible long-term population effects on sensitive species of soil fauna. At 5.0 or 8.0 kg atrazine/ha, all species of soil fauna tested, except some species of nematodes, were adversely affected. One month post-application, population reductions of 65-91% were recorded in protozoans, mites, various insect groups, and collem-bolids at 5.0 kg/ha after 4 months, populations were still depressed by 55-78%. At 8.0 kg atrazine/ha, soil faun populations... 

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See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ ]

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