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Aerial dispersal of the two-spotted spider mite (Tetranychus urticae) from field corn

✍ Scribed by David R. Smitley; George G. Kennedy


Publisher
Springer Netherlands
Year
1988
Tongue
English
Weight
774 KB
Volume
5
Category
Article
ISSN
0168-8162

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Repellent and Oviposition-Deterring Effe
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Colupulone, the main component of the beta-acid fraction of hop extracts, was shown to repel the two-spotted spider mite Tetranychus urticae Koch from the surface of plant leaves. The total beta-acid fraction was found more effective in repelling the mites and reducing the number of eggs laid than c