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effect of some traditional and IDRD insecticides against Unaspis euonymi and Carulaspis juniperi (Homoptera: Coccoidea)

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Abstract:

Some traditional and several nontoxic new selective compounds were tested against Unaspis euonymi and Carulaspis juniperi .The effectiveness of compound Agrol was only between 75 and 85%in spring treatment.In the summer treatments Zolone reduced heavily the number of eggs,but selective compounds reduced only about 50%.Zolone,Applaud and Aware significantly reduced the number of all instar,and even in autumn there was significantly less overwintering female after treatments.Vektoricid shows a similar good effect.But the Insegar in some cases was less efficient. The infestation with natural enemies of U euonymi was extremely low,nd the C.juniperi had a medium high infestation with natural enemies.

Document Type: Research Article

Publication date: 1999-12-10

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