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Population dynamics of the whitefly Bemisia tabaci (genn.) infesting cucumber plant in newly reclaimed land [electronic resources].

By:

Abdel-Khalek, Azza A

Language: English Summary language: Arabic Description: p.719-728Other title:

دينامكية التعداد للذبابة البيضاء التي تصيب نبات الخيار في الأراضي حديثة الأستصلاح.‪‪‪ [Added title page title]

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

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In: Annals of Agricultural Science 2005.v.50(2)Summary: The seasonal abundance and the distribution pattern of white fly, Bemisia tabaci (Geon.) infested cucumber plant in sandy newly reclaimed land, was estimated during the growing late summer seasons for two successive years (2002 and 2003). The population density of B. tabaci reached the maximum in October and November. Oviposition behavior of B. tabaci females and preferred habit of the immature: stages (eggs & nymphs), expressed as high population of whitefly immature stages was recorded on the lower level of cucumber plant, followed by middle then the up.. per one (I 82.41, 97.55 and 35.28 individuals! one square inch of leaf, respectively), On the other hand, the highest infestation of immature stages was found at northern direction, followed by southern direction then in the center one, whereas mean total numbers of 160.87, 121.76 and 35.85 individuals! one square inch of cucumber leaf were recorded respectively in both 2002 and 2003.

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The seasonal abundance and the distribution pattern of white fly, Bemisia tabaci (Geon.) infested cucumber plant in sandy newly reclaimed land, was estimated during the growing late summer seasons for two successive years (2002 and 2003). The population density of B. tabaci reached the maximum in October and November. Oviposition behavior of B. tabaci females and preferred habit of the immature: stages (eggs & nymphs), expressed as high population of whitefly immature stages was recorded on the lower level of cucumber plant, followed by middle then the up.. per one (I 82.41, 97.55 and 35.28 individuals! one square inch of leaf, respectively), On the other hand, the highest infestation of immature stages was found at northern direction, followed by southern direction then in the center one, whereas mean total numbers of 160.87, 121.76 and 35.85 individuals! one square inch of cucumber leaf were recorded respectively in both 2002 and 2003.

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