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Effects of adjuvant and conidial concentration on the efficacy ofBeauveria bassianafor the control of the two spotted spider mite,Tetranychus urticae

✍ Scribed by Mutimura C. Gatarayiha; Mark D. Laing; Ray M. Miller


Publisher
Springer Netherlands
Year
2009
Tongue
English
Weight
321 KB
Volume
50
Category
Article
ISSN
0168-8162

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✍ Jones, Graeme; Campbell, Colin A. M.; Pye, Barry J.; Maniar, Sangita P.; Mudd, A πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 392 KB

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