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Bioassays were conducted to assess the effects of two silicon dioxide nanoparticles of Aerosil® and Nanosav against adults of Rhyzopertha dominica F. and Tribolium confusum Jacquelin du Val. Silica nanoparticles were applied at the rates of 50, 100, 200 and 300 mg · kg–1 on wheat and peeled barley. The mortality was counted after 1, 2, 3, and 7 days of exposure. Another experiment was carried out...
:Der intensive Pflanzenbau erfordert wirksame Pflanzenschutzmaßnahmen. Eine der wirksamsten Maßnahmen ist die Behandlung des Saatgutes gegen Pathogene. Sie erfolgt bisher fast ausschließlich durch chemische Beizmittel (Pestizide), die Anwender und Umwelt gefährden können. Neue Gesetze und Richtlinien in Deutschland und der Europäischen Union fordern die nachhaltige Einschränkung der Anwendung chemischer...
In four-year experiments the influence of droplet size and nozzle designs on the activity of a commercial herbicides triberenuron-methyl (Granstar 75 WG) and mixture of 2,4 D, dicamba, and mecoprop (Aminopielik Tercet 500 SL) applied to broadleaf weeds in spring barley was examined. The recommended and half doses were applied at 200 and 280 l ha⁻¹ and at 250-570 μm (VMD) diameter droplet sizes, using...
The paper present results from the studies carried out in the years 1999-2000 on the effectiveness of seed dressing of spring barley with the insecticide Gaucho 350 FS (a.i. imidachloprid) to control frit flies, gout flies, aphids and thrips in piedmont conditions.
The paper presents results of studies conducted in 1995-1997 on the occurrence of diseases of winter wheat and spring barley depending on the system of farming (extensive, ecological, integrated) and on the influence of disease infection upon seed quality and Fusarium toxins content.
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