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Zur Wirkung einiger Chemosterilantien auf die Biologie der RaubmilbeAmblyseius gossipi (El-Badry)

Effect of some chemosterilants on biological aspects of the predatory mite,Amblyseius gossipi (El-Badry)

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Abstract

The effect of two chemosterilant materials 5-fluoroorotic acid (FA) and 5-fluorouracil (FU) was studied on the predatory mite,Amblyseius gossipi (El-Badry) in the laboratory. Percentages of mortality for adult females ranged from 6.00 to 41.30% (FA) and from 3.00 to 28.70% (FU).

Results showed that the number of eggs layed/female and egg hatchability of the mite were decreased when the two chemosterilants were used comparing with control, while liefe cycle and longivity were slightly decreased for both males and females.

Zusammenfassung

Es wurde bei der RaubmilbeAmblyseius gossipi (El-Badry) im Labor der Einfluß der zwei Chemosterilantien 5-fluorootic acid (FA) und 5-fluorouracil (FU) auf einige biologische Parameter untersucht. Die Mortalität bei den adulten Weibchen stieg mit der Konzentration der Chemosterilantien von 6,0 auf 41,3% (FA) und von 3,0 auf 28,7% (FU). Unter dem Einfluß der zwei Wirkstoffe wurden — mit zunehmender Konzentration — die Zahl abgelegter Eier pro Weibchen sowie das Schlüpfprozent der Eier verringert. Gleichlaufende Verkürzungen des Lebenszyklus und der Lebensdauer waren nicht signifikant.

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Authors and Affiliations

  1. Plant Protection Department, Faculty of Agriculture, Menoufia University, Shebin El-Kom, Egypt

    G. I. Zohdy &  S. M. Abo-Taka

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  1. G. I. Zohdy
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  2. S. M. Abo-Taka
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Zohdy, G.I., Abo-Taka, S.M. Zur Wirkung einiger Chemosterilantien auf die Biologie der RaubmilbeAmblyseius gossipi (El-Badry). Anz. Schadlingskde., Pflanzenschutz, Umweltschutz 62, 70–71 (1989). https://doi.org/10.1007/BF01903195

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  • DOI: https://doi.org/10.1007/BF01903195

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