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Effect of different stages of reduviid predator Corans africana El-sebaey (Hemiptera: Heteroptera) on the population of Bemisra Tabacr genn in tomato field at Qalubia and Bani-Swif governorates [electronic resource].

By:

El-Sebaey, Iman, I.A

Contributor(s):

Abd El-Wahab, Houria A

Language: English Summary language: Arabic Description: P. 413-429Other title:

تأثير الاطور المختلفة للمفترس Corans africana El-sebaey (فصيلة البق السفاح - رتبة نصفية الاجنحة) فى خفض تعداد الذبابة البيضاء Bemisra Tabacr genn بحقول الطماطم فى محافظتى القليوبية وبنى سويف [Added title page title]

Uniform titles:

Egyptian journal of agricultural research, 2011 v. 89 (2) [electronic resource].

Subject(s):

Online resources:

Full Text Article.

In: Egyptian Journal of Agricultural Research 2011.v.89(2)Summary: The of effect different stages of predator Coranus africana EL¬Sebaey was evaluated in suppression for different populations of the white fly Bemisia tabaci Genn. In tomato field at Qalubia and Bani-Swif Governerates during two successive years 2007 & 2008, different stages of the predator Cafricana were released by one predator/plant against 8. tabaci infestation. Reduction-percentage of 8. tabaci infestation differed according to the release of predator in each treatment. In case of release of the adult stage, the reduction in the second week of release was 93.4% & 100%) for adult and immature stage respectively at Qalubia during the first year. On the other hand this reduction was (94.8% & 97.1%) during the second year. However the percentage reduction at Bani¬Swif was (97.4% & 92.7%) and (99.2% & 91.2%) during two years respectively. The basic yield parameters expressed as weight of fruit and number of fruits/plant during the two years of the investigation at Qalubia and Bani-Swif in the crop.

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The of effect different stages of predator Coranus africana EL¬Sebaey was evaluated in suppression for different populations of the white fly Bemisia tabaci Genn. In tomato field at Qalubia and Bani-Swif Governerates during two successive years 2007 & 2008, different stages of the predator Cafricana were released by one predator/plant against 8. tabaci infestation. Reduction-percentage of 8. tabaci infestation differed according to the release of predator in each treatment. In case of release of the adult stage, the reduction in the second week of release was 93.4% & 100%) for adult and immature stage respectively at Qalubia during the first year. On the other hand this reduction was (94.8% & 97.1%) during the second year. However the percentage reduction at Bani¬Swif was (97.4% & 92.7%) and (99.2% & 91.2%) during two years respectively. The basic yield parameters expressed as weight of fruit and number of fruits/plant during the two years of the investigation at Qalubia and Bani-Swif in the crop.

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