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Studies carried out for many years in the experimental field in Winna Góra refer to the biocenotic regulation of aphids in agricultural cultivations by aphidophagous Diptera of Syrphidae. Experiments were carried out in conditions of an agricultural lanscape differentiated by the presence of field afforestation.
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 aim of the work was to study the feeding deterrent activity of precocenes, their synthetic analogues, and some related compunds to storage pests: Sitophilus granarius L., Tribolium confusum Duv., Trogoderma granarium Ev., and aphids: Myzus persicae (Sulz.). Among all tested compounds precocenes I and II exhibited the best feeding deterrent activity against all tested insects. 4-Chromanols (16,...
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