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Release of the predatory mites phytoseiulus Persimilis athias-henriot and neoseiulus californicus mcgregor to control the two-spotted spider mite trtranychus urticae Koch infesting cucumber and rose in plastic houses in Egypt [electronic resources].

By:

El-Laithy, A. Y. M

Contributor(s):

El-Sawi, Sawsan A

Language: English Summary language: Arabic Description: p.759-767Other title:

استخدام المفترسات فيتوسيلاس برسميلس و نيوسيللس كاليفورنيكس لمقاومة العنكبوت الاحمر تترانكس يورتكا الذي يصيب نباتات الورد و الخيار في الصوب البلاستيكية بمصر.‪‪‪ [Added title page title]

Uniform titles:

Annals of agricultural science, 2005 v. 50 (2) [electronic resource].

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In: Annals of Agricultural Science 2005.v.50(2)Summary: Utilization of the predatory mites Neoseiulus califomicus McGregor and Phytoseiulus persimilis Athias-Henroit for biocontrol of the two spotted spider mite Tetranychus urticae Koch in unheated plastic houses was studied in Egypt. This experiment was carrid out in three plastic houses cultivated with cucumber plants. Average damage classes of patches per cucumber plant infested T. urticae were 0.05 - 0.40, 0.05-0.85 and 0.06-0.75 by using N. californicus, P. persimilis and Ortis acaricide, respectively. Such promising results encouraged introduction of N. cali-fomicus in a commercial green house planted with ten exotic cultivars of rose bushes. One year later, N. califomicus spread in the entire greenhouse and sup¬ pressed successfully population of T. urticae.

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Utilization of the predatory mites Neoseiulus califomicus McGregor and Phytoseiulus persimilis Athias-Henroit for biocontrol of the two spotted spider mite Tetranychus urticae Koch in unheated plastic houses was studied in Egypt. This experiment was carrid out in three plastic houses cultivated with cucumber plants. Average damage classes of patches per cucumber plant infested T. urticae were 0.05 - 0.40, 0.05-0.85 and 0.06-0.75 by using N. californicus, P. persimilis and Ortis acaricide, respectively. Such promising results encouraged introduction of N. cali-fomicus in a commercial green house planted with ten exotic cultivars of rose bushes. One year later, N. califomicus spread in the entire greenhouse and sup¬ pressed successfully population of T. urticae.

Summary in Arabic.

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